A Pilot Study of Quantitative MRI Measurements of Ventricular Volume and Cortical Atrophy for the Differential Diagnosis of Normal Pressure Hydrocephalus

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td align="left">Group</td><td align="center">TICV (cm<sup>3</sup>)</td><td align="center">VentVol (cm<sup>3</sup>)</td><td align="center">TCortTh (mm)</td><td align="center">MTempTh (mm)</td><td align="center">Proportion of  participants with Evans Index &gt;0.3</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left">NC</td><td align="center"><span style="width: 74.775002px;"><svg height="11.4" id="M25" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 74.775002 11.4" width="74.775002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><path d="M456 178h-96v-72q0 -51 12.5 -62.5t72.5 -16.5v-27h-256v27q65 5 78 17t13 62v72h-260v28q182 271 300 426h40v-407h96v-47zM280 225v295h-2q-107 -148 -196 -295h198z" id="x34"></path></g><g transform="matrix(.017,-0,0,-.017,16.381,10.963)"><path d="M244 635q90 0 143 -72t53 -177q0 -133 -65 -229.5t-171 -139.5q-79 -32 -140 -32l-5 30q109 18 185 91t101 186l-68 -36q-29 -16 -60 -16q-79 0 -129 51.5t-50 130.5q0 80 57 146.5t149 66.5zM228 602q-52 0 -78 -45.5t-26 -98.5q0 -69 36.5 -115.5t97.5 -46.5
q53 0 90 28q4 31 4 66q0 51 -9.5 95.5t-39 80.5t-75.5 36z" id="x39"></path></g><g transform="matrix(.017,-0,0,-.017,24.541,10.963)"><path d="M285 378v-2q65 -13 102 -54.5t37 -97.5q0 -57 -30.5 -104.5t-74 -75t-85.5 -42t-72 -14.5q-31 0 -59.5 11t-40.5 23q-19 18 -16 36q1 16 23 33q13 10 24 0q58 -51 124 -51q55 0 88 40t33 112q0 64 -39 96.5t-88 32.5q-29 0 -64 -11l-6 29q77 25 118 57.5t41 84.5
q0 45 -26.5 69.5t-68.5 24.5q-67 0 -120 -79l-20 20l43 63q51 56 127 56h1q66 0 107 -37t41 -95q0 -42 -31 -71q-22 -23 -68 -54z" id="x33"></path></g><g transform="matrix(.017,-0,0,-.017,36.474,10.963)"><path d="M535 290h-212v-206h-58v206h-213v50h213v193h58v-193h212v-50zM535 -22h-483v50h483v-50z" id="xB1"></path></g><g transform="matrix(.017,-0,0,-.017,50.226,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,58.385,10.963)"><path d="M153 550l-26 -186q79 31 111 31q90 0 141.5 -51t51.5 -119q0 -93 -89 -166q-85 -69 -173 -71q-32 0 -61.5 11.5t-41.5 23.5q-18 17 -17 34q2 16 22 33q14 9 26 -1q61 -50 124 -50q60 0 93 43.5t33 104.5q0 69 -41.5 110t-121.5 41q-53 0 -102 -20l38 305h286l6 -8
l-26 -65h-233z" id="x35"></path></g><g transform="matrix(.017,-0,0,-.017,66.545,10.963)"><path d="M137 343l67 33q37 17 63 17q79 0 129.5 -53t50.5 -131q0 -92 -58 -156.5t-147 -64.5t-147 68t-58 182q0 63 17 119t43 95.5t61.5 72t69 52t67.5 31.5q62 22 128 33l6 -32q-56 -11 -108 -35q-149 -71 -184 -231zM227 337q-47 0 -95 -27q-6 -23 -6 -70q0 -93 36 -155.5
t96 -62.5q53 0 78 45.5t25 105.5q0 68 -35 116t-99 48z" id="x36"></path></g>
</svg></span></td><td align="center"><span style="width: 50.299999px;"><svg height="11.2875" id="M26" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 50.299999 11.2875" width="50.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x33"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g><g transform="matrix(.017,-0,0,-.017,20.155,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,33.907,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,42.066,10.862)"><use xlink:href="#x31"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.4" id="M27" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.4" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><path d="M113 -12q-24 0 -39.5 16t-15.5 42q0 24 16 40.5t40 16.5t40 -16.5t16 -40.5q0 -26 -16 -42t-41 -16z" id="x2E"></path></g><g transform="matrix(.017,-0,0,-.017,12.098,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.963)"><use xlink:href="#x39"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.963)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.963)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
q0 -76 10 -138.5t37 -107.5t69 -45q32 0 55.5 25t35.5 68.5t17.5 91.5t5.5 105t-5.5 105.5t-18 92t-36 68t-56.5 24.5z" id="x30"></path></g><g transform="matrix(.017,-0,0,-.017,57.977,10.963)"><use xlink:href="#x36"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.4" id="M28" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.4" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.963)"><use xlink:href="#x36"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.963)"><use xlink:href="#x34"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.963)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.963)"><use xlink:href="#x32"></use></g>
</svg></span></td><td align="center">1/10</td></tr><tr><td align="left">PD</td><td align="center"><span style="width: 74.775002px;"><svg height="11.2875" id="M29" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 74.775002 11.2875" width="74.775002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x33"></use></g><g transform="matrix(.017,-0,0,-.017,16.381,10.862)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,24.541,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,36.474,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,50.226,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,58.385,10.862)"><use xlink:href="#x35"></use></g><g transform="matrix(.017,-0,0,-.017,66.545,10.862)"><use xlink:href="#x33"></use></g>
</svg></span></td><td align="center"><span style="width: 50.299999px;"><svg height="11.2875" id="M30" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 50.299999 11.2875" width="50.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,20.155,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,33.907,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,42.066,10.862)"><use xlink:href="#x34"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.4" id="M31" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.4" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.963)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.963)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.963)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.963)"><use xlink:href="#x36"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M32" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.862)"><use xlink:href="#x35"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.862)"><path d="M249 635q70 0 116 -43t46 -105q0 -46 -28 -80q-22 -25 -80 -64q62 -35 97 -75t35 -99q0 -81 -63 -131t-135 -50q-83 0 -137.5 45.5t-54.5 123.5q0 52 45 95q29 28 89 64q-109 62 -109 155q0 66 50.5 115t128.5 49zM238 603q-42 0 -67.5 -31t-25.5 -72q0 -50 32.5 -79.5
t98.5 -62.5q61 48 61 124q0 59 -29.5 90t-69.5 31zM248 20q46 0 76.5 33.5t30.5 89.5q0 50 -39 85.5t-110 71.5q-81 -54 -81 -137q0 -67 35.5 -105t87.5 -38z" id="x38"></path></g><g transform="matrix(.017,-0,0,-.017,32.19,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><use xlink:href="#x38"></use></g>
</svg></span></td><td align="center">0/5</td></tr><tr><td align="left">AD</td><td align="center"><span style="width: 74.775002px;"><svg height="11.4" id="M33" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 74.775002 11.4" width="74.775002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><use xlink:href="#x34"></use></g><g transform="matrix(.017,-0,0,-.017,16.381,10.963)"><use xlink:href="#x39"></use></g><g transform="matrix(.017,-0,0,-.017,24.541,10.963)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,36.474,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,50.226,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,58.385,10.963)"><use xlink:href="#x36"></use></g><g transform="matrix(.017,-0,0,-.017,66.545,10.963)"><use xlink:href="#x34"></use></g>
</svg></span></td><td align="center"><span style="width: 50.299999px;"><svg height="11.4" id="M34" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 50.299999 11.4" width="50.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x36"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,20.155,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,33.907,10.963)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,42.066,10.963)"><use xlink:href="#x36"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M35" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.862)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.862)"><use xlink:href="#x35"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><use xlink:href="#x34"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M36" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.862)"><use xlink:href="#x39"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><use xlink:href="#x38"></use></g>
</svg></span></td><td align="center">5/10</td></tr><tr><td align="left">NPH</td><td align="center"><span style="width: 74.775002px;"><svg height="11.4" id="M37" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 74.775002 11.4" width="74.775002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.963)"><path d="M447 623l8 -12l-283 -613l-74 -10l-7 11q174 283 297 551h-216q-48 0 -62.5 -12t-33.5 -63h-29q10 60 18 148h382z" id="x37"></path></g><g transform="matrix(.017,-0,0,-.017,16.381,10.963)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,24.541,10.963)"><use xlink:href="#x36"></use></g><g transform="matrix(.017,-0,0,-.017,36.474,10.963)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,50.226,10.963)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,58.385,10.963)"><use xlink:href="#x38"></use></g><g transform="matrix(.017,-0,0,-.017,66.545,10.963)"><use xlink:href="#x36"></use></g>
</svg></span></td><td align="center"><span style="width: 58.450001px;"><svg height="11.2875" id="M38" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 58.450001 11.2875" width="58.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,16.381,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,28.314,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,42.066,10.862)"><use xlink:href="#x34"></use></g><g transform="matrix(.017,-0,0,-.017,50.226,10.862)"><use xlink:href="#x38"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M39" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.862)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.862)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><use xlink:href="#x34"></use></g>
</svg></span></td><td align="center"><span style="width: 66.199997px;"><svg height="11.2875" id="M40" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 66.199997 11.2875" width="66.199997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,12.098,10.862)"><use xlink:href="#x34"></use></g><g transform="matrix(.017,-0,0,-.017,20.257,10.862)"><use xlink:href="#x38"></use></g><g transform="matrix(.017,-0,0,-.017,32.19,10.862)"><use xlink:href="#xB1"></use></g><g transform="matrix(.017,-0,0,-.017,45.942,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,49.818,10.862)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,57.977,10.862)"><use xlink:href="#x39"></use></g>
</svg></span></td><td align="center">5/5</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Neurology Research International

tab2

Table 2

Table 2: A Pilot Study of Quantitative MRI Measurements of Ventricular Volume and Cortical Atrophy for the Differential Diagnosis of Normal Pressure Hydrocephalus 

Table 2 | A Pilot Study of Quantitative MRI Measurements of Ventricular Volume and Cortical Atrophy for the Differential Diagnosis of Normal Pressure Hydrocephalus 