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<p> </p>
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 18.0pt;"><span style="font-size: 10.0pt; mso-bidi-font-size: 11.0pt; font-family: 'Arial','sans-serif';"> </span></p>
<table class="MsoNormalTable" style="width: 15.0in; margin-left: 157.1pt; border-collapse: collapse; mso-yfti-tbllook: 1184; mso-padding-alt: 0in 5.4pt 0in 5.4pt;" border="0" width="1440" cellspacing="0" cellpadding="0">
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<p class="MsoNormal" style="text-align: center; mso-layout-grid-align: none; text-autospace: none; margin: 0in 285.0pt .0001pt 76.0pt;" align="center"><strong><span style="font-size: 18.6pt; mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';">Fully Automated Segmentation of Head CT <span class="SpellE">Neuroanatomy</span> Using Deep Learning</span></strong></p>
<p class="MsoNormal" style="text-align: center; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;" align="center"><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><a href="https://github.com/jasonccai">Jason <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Cai</span></span></span></a>, <a href="https://www.linkedin.com/in/kenneth-philbrick-1b164bb">Kenneth <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Philbrick</span></span></span></a>, <a href="https://www.linkedin.com/in/zeynettin-akkus-0b631b32"><span class="SpellE">Zeynettin</span> <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Akkus</span></span></span></a>, <a href="https://www.mayo.edu/research/faculty/erickson-bradley-j-m-d-ph-d/bio-00077505">Bradley Erickson</a></span></p>
<p class="MsoNormal" style="text-align: center; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;" align="center"><span style="font-size: 16.0pt; mso-bidi-font-size: 20.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;">Radiology Informatics Lab, Mayo Clinic, Rochester MN</span></p>
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<p class="MsoNormal" style="text-align: center; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;" align="center"> </p>
<p class="MsoNormal" style="text-align: center; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;" align="center"><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';">[<a href="https://github.com/jasonccai/HeadCTSegmentation"><span class="SpellE">GitHub</span><span class="MsoHyperlink"><span style="font-family: 'Arial','sans-serif';"> Download</span></span></a></span><span style="font-family: Arial, sans-serif; font-size: 16pt;">]</span></p>
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<p class="MsoNormal" style="line-height: 18pt; margin: 0in 354.4pt 0.0001pt 116.1pt; text-align: left;" align="center"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Intro%20animation.gif?raw=true" width="750" height="499" /></p>
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<p class="MsoNormal" style="text-align: center; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;" align="center"><img src="https://github.com/jasonccai/CTBrainSegmentation/blob/master/webimages/Line.jpg?raw=true" width="763" height="15" /></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Abstract</span></span></strong></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"> </p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Semantic segmentation of the brain on CT can assist in diagnosis (1-7) and treatment planning (8,9). We present a 2D U-Net that simultaneously segments 16 intracranial structures from head CT. Our model generalized to external scans from the RSNA Hemorrhage Detection Challenge (10), as well as scans demonstrating idiopathic normal pressure hydrocephalus (iNPH). Overall Dice coefficients were comparable to expert annotations and higher that of existing segmentation methods. Although the training dataset consisted of noncontrast studies, our model handled contrast-enhanced studies equally well upon visual inspection. Developers can leverage transfer learning and fine-tuning to further optimize the model for their specific needs.</span></span></p>
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<td style="width: 15.0in; padding: 0in 5.4pt 0in 5.4pt;" valign="top" width="1440"> <img src="https://github.com/jasonccai/CTBrainSegmentation/blob/master/webimages/Line.jpg?raw=true" width="763" height="15" /></td>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Dataset</span></span></strong></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"> </p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><em><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold; mso-bidi-font-style: normal;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Primary Dataset (Training, Validation, and Testing)</span></span></em></p>
<p class="MsoListParagraph" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-list: l0 level4 lfo1; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.25pt .0001pt 2.0in;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol; color: windowtext; mso-bidi-font-weight: normal; text-decoration: none; text-underline: none;"><span style="mso-list: Ignore;"> · </span></span><span style="color: windowtext; text-decoration: none; text-underline: none;">62 normal non-contrast head CTs. Mean patient age: 73.4 years old (range: 27-95).</span></span></p>
<p class="MsoListParagraph" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-list: l0 level4 lfo1; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.25pt .0001pt 2.0in;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;"> · Training: 40 volumes; validation: 10 volumes; testing: 12 volumes.</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"> </p>
<p class="MsoListParagraphCxSpFirst" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 134.1pt;"><em><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold; mso-bidi-font-style: normal;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Secondary Datasets (Testing Only)</span></span></em></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-list: l0 level4 lfo1; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.25pt .0001pt 2.0in;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol; color: windowtext; mso-bidi-font-weight: normal; text-decoration: none; text-underline: none;"><span style="mso-list: Ignore;"><span style="font-family: Arial, sans-serif;"> </span><span style="font-family: Symbol;">·</span><span style="font-family: 'Arial','sans-serif'; font-size: xx-small;"> </span></span></span><span style="color: windowtext; text-decoration: none; text-underline: none;">12 non-contrast head CTs demonstrating <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">iNPH</span></span></span>. Mean patient age: 74.3 years old<span class="GramE"> (</span>range: 60-84).</span></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-list: l0 level4 lfo1; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.25pt .0001pt 2.0in;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="mso-bidi-font-size: 12.0pt; font-family: Symbol; mso-fareast-font-family: Symbol; mso-bidi-font-family: Symbol; color: windowtext; mso-bidi-font-weight: normal; text-decoration: none; text-underline: none;"><span style="mso-list: Ignore;"><span style="font-family: Arial, sans-serif;"> </span><span style="font-family: Symbol;">·</span><span style="font: 7.0pt 'Arial','sans-serif';"> </span></span></span><span style="color: windowtext; text-decoration: none; text-underline: none;">30 normal non-contrast head CTs from the RSNA Hemorrhage Detection Challenge <span style="mso-no-proof: yes;">(10)</span>.</span></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-add-space: auto; text-indent: -.25in; line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 134.1pt;"> </p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><em><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold; mso-bidi-font-style: normal;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Dataset annotation</span></span></em></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">All slices were annotated using <em><span style="font-family: 'Arial','sans-serif'; mso-bidi-font-style: normal;">RIL-Contour</span></em> <span style="mso-no-proof: yes;">(11)</span> by a team of trained analysts and supervised by a <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">neuroradiologist</span></span></span>.</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Ground Truth Masks: From each test volume, 3 observers segmented the same 5 slices independently (capturing all 16 structures). From these annotations, a set of multi-rater consensus labels was constructed using STAPLE (12).</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"> </p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">To protect patient privacy, the datasets are not available for download.</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"> </p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><em><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold; mso-bidi-font-style: normal;"><span style="color: windowtext; text-decoration: none; text-underline: none;">DICOM information</span></span></em></p>
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<p class="MsoNormal" style="margin-right: -2.25pt; text-align: center; line-height: 15.0pt;" align="center"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Primary Dataset<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">(Normal Scans)</span></span></p>
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<p class="MsoNormal" style="margin-right: -2.25pt; text-align: center; line-height: 15.0pt;" align="center"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Secondary Dataset<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">(<span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">iNPH</span></span></span> Scans)</span></span></p>
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<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 10.25pt; border-image: initial;"> </td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 10.25pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; text-align: center; line-height: 15.0pt;" align="center"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Training & Validation<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">(40+10 volumes)</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 10.25pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; text-align: center; mso-line-height-alt: 10.25pt;" align="center"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Test (12 volumes)</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 10.25pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; text-align: center; mso-line-height-alt: 10.25pt;" align="center"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Test (12 volumes)</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 2; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Manufacturer and model</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 3; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·GE Discovery CT750 HD</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">11</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">5</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 4; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·GE Optima CT660</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">2</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 5; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Siemens Sensation 64</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">4</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">3</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 6; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Siemens SOMATOM Definition AS</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 7; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Siemens SOMATOM Definition Edge</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">2</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">5</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 8; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Siemens SOMATOM Definition Flash</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">27</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">6</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">3</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 9; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Siemens SOMATOM Force</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 10; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Toshiba <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Aquilion</span></span></span></span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 11; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Toshiba <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Aquilion</span></span></span> Prime SP</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 12; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·Toshiba <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">Aquilion</span></span></span> ONE</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 13; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Slice Thickness (mm)</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto;"><span style="font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"> </span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 14; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·1.5</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 15; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·3</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">1</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 16; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·3.75</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">12</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">6</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 17; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·4</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">20</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">6</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 18; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">·5</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">16</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">-</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">11</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 19; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Tube Voltage (<span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">kVp</span></span></span>)</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">120 (all scans)</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">120 (all scans)</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">120 (all scans)</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 20; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Tube Current (mA)</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 334;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 150-570</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 400;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 339-500</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 213;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 150-368</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 21; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Pixel Spacing (mm)</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 0.46;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 0.39-0.49</span></span></p>
</td>
<td style="width: 138.547px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 0.43;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 0.38-0.45</span></span></p>
</td>
<td style="width: 138px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Mean: 0.48;<br /></span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Range: 0.43-0.51</span></span></p>
</td>
</tr>
<tr style="mso-yfti-irow: 22; mso-yfti-lastrow: yes; height: 12.75pt;">
<td style="width: 273px; border-right: 1pt solid #bfbfbf; border-bottom: 1pt solid #bfbfbf; border-left: 1pt solid #bfbfbf; border-top: none; padding: 0in 5.4pt; height: 12.75pt; border-image: initial;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Image Dimensions</span></span></p>
</td>
<td style="width: 145.453px; border-top: none; border-left: none; border-bottom: 1pt solid #bfbfbf; border-right: 1pt solid #bfbfbf; padding: 0in 5.4pt; height: 12.75pt;">
<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">512x512 (all scans)</span></span></p>
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<p class="MsoNormal" style="margin-right: -2.25pt; line-height: 15.0pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">512x512 (all scans)</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Model</span> <span style="font-size: 12.0pt; mso-bidi-font-size: 16.0pt; color: windowtext; font-weight: normal; mso-bidi-font-weight: bold; mso-no-proof: yes; text-decoration: none; text-underline: none;">(13)</span></span></strong></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><a href="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Primary%20Dataset.png?raw=true"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Primary%20Dataset.png?raw=true" width="750" height="957" /></a></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Sample images from the primary test dataset (click to enlarge).</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><a href="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/NPH.png?raw=true"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/NPH.png?raw=true" alt="" width="750" height="957" /></a></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Sample images from the <span class="SpellE"><span class="spelle"><span style="font-family: 'Arial','sans-serif';">iNPH</span></span></span> dataset (click to enlarge).</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">In our paper, the iNPH dataset was used solely for testing. We additionally trained our model on these examinations and made its weights available separately on ou<span style="color: #000000;">r <a href="https://github.com/jasonccai/HeadCTSegmentation"><span style="mso-field-code: ' HYPERLINK 'https\:\/\/github\.com\/jasonccai\/CTBrainSegmentation' ';"><span class="SpellE"><span class="spelle"><span style="font-family: Arial, sans-serif;">GitHub</span></span></span></span></a> pa</span>ge.</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><a href="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Infographic%20White.png?raw=true"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Infographic%20White.png?raw=true" alt="" width="750" height="772" /></a></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Test dataset workflow (click to enlarge): </span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Arial;"><span style="color: windowtext; text-decoration: none; text-underline: none;">DICE - Dice coefficients, reported below; VOL - Differences in structure volume, reported in our paper.</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Results</span></span></strong></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><a href="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Dices%20Chart%20GTM.png?raw=true"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Dices%20Chart%20GTM.png?raw=true" alt="" width="750" height="283" /></a></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Box and whisker plot comparing the model's predictions with the observers' annotations, using Ground Truth Masks as a reference (click to enlarge).<br /></span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"><strong>Ground Truth Masks</strong>: From each test volume, 3 observers segmented the same 5 slices independently (capturing all 16 structures, n=59 total slices). From these annotations, a set of multi-rater consensus labels was constructed using STAPLE (12).<br /><strong>Statistical analysis</strong>: categorical linear regression with p<0.05.<br /><strong>Red asterisk</strong>: observer has higher Dice coefficients as compared to the model (p<0.05).<br /><strong>Green asterisk</strong>: observer has lower Dice coefficients as compared to the model (p<0.05).<br /><strong>Blue asterisk</strong>: observer has higher Dice coefficients as compared to the model (p<0.05). However, the Ground Truth Masks contain a large number of slices that included the boundary between the temporal and parietal lobes, which is defined by an <a href="https://qbi.uq.edu.au/files/33952/Brain-lobes-traditional-QBI-sm.jpg" rel="nofollow">arbitrary straight line</a> in the sagittal plane posteriorly. Overall Dice coefficients for the parietal and temporal lobes were higher when the model was evaluated on full volumes from the primary test dataset (see chart below).</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><a href="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Dices%20Chart%20Secondary%20Datasets.png?raw=true"><img src="https://github.com/jasonccai/HeadCTSegmentation/blob/master/webimages/Dices%20Chart%20Secondary%20Datasets.png?raw=true" width="775" height="299" /></a></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Box and whisker plot comparing the model's performance between the primary and secondary test datasets </span></span><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">(click to enlarge).</span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;"><strong>Red Boxes</strong>: Dice Coefficients of the model on the primary test dataset vs. Dice coefficients of the model on the iNPH dataset. Results from these datasets were analyzed together because both contained fully annotated volumes.<br /><strong>Blue Boxes</strong>: Dice Coefficients of the model on the Ground Truth Masks vs. Dice coefficients of the model on the RSNA dataset. Results from these datasets were analyzed together because both contained 5 annotated slices per volume representing all 16 structures.<br /><strong>Red asterisk</strong>: lower Dice coefficients as compared to the primary test dataset or Ground Truth Masks (p<0.05).<br /><strong>Green asterisk</strong>: higher Dice coefficients as compared to the primary test dataset or Ground Truth Masks (p<0.05).</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Note: The model could not consistently identify the central sulcus in iNPH patients because ventricular enlargement severely distorted its appearance. Two volumes were excluded because the central sulcus could not be identified manually as well.</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">Citation</span></span></strong></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">JC Cai, Z Akkus, KA Philbrick, A Boonrod, S Hoodeshenas, AD Weston, P Rouzrokh, GM Conte, A Zeinoddini, DC Vogelsang, Q Huang, BJ Erickson<br /><em>“Fully Automated Segmentation of Neuroanatomy on Head CT Using Deep Learning”</em><br />Radiol Artif Intell. 2020 Sep; 2(5):e190183. <a href="https://doi.org/10.1148/ryai.2020190183">https://doi.org/10.1148/ryai.2020190183</a></span></span></p>
<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 354.4pt .0001pt 116.1pt;"><span style="mso-bidi-font-size: 16.0pt; font-family: 'Arial','sans-serif'; mso-bidi-font-weight: bold;"><span style="color: windowtext; text-decoration: none; text-underline: none;">Click <a href="https://pubs.rsna.org/action/showCitFormats?doi=10.1148%2Fryai.2020190183">here</a> to download citation data.</span></span></p>
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<p class="MsoNormal" style="line-height: 18.0pt; mso-layout-grid-align: none; text-autospace: none; margin: 0in 382.95pt .0001pt 116.1pt;"><strong><span style="font-size: 16.0pt; font-family: 'Arial','sans-serif';"><span style="color: windowtext; text-decoration: none; text-underline: none;">References</span></span></strong></p>
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