Differences of Various Region-of-Interest Methods for Measuring Dopamine Transporter Availability Using <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.50008pt;width:58.150002px;" id="M1" height="27.0625" version="1.1" viewBox="0 0 58.150002 27.0625" width="58.150002">
	
		
			<g transform="matrix(.016,-0,0,-.016,3.8,10.862)"><path id="x1D7D7" d="M31 -13v26q107 22 171.5 85t96.5 175q-37 -19 -88 -19q-83 0 -134 55t-51 150q0 98 61 163q61 66 154 66q105 0 168 -80q64 -79 64 -214q0 -183 -145 -297q-68 -53 -127 -75q-54 -21 -170 -35zM317 414v47q0 118 -25 167q-16 33 -54 33q-34 0 -47 -31q-13 -29 -13 -117
q0 -116 19.5 -165t65.5 -49q27 0 41 9q3 1 5 20q8 34 8 86z"></path></g><g transform="matrix(.016,-0,0,-.016,11.646,10.862)"><use xlink:href="#x1D7D7"></use></g><g transform="matrix(.016,-0,0,-.016,19.491,10.862)"><path id="x1D426" d="M814 24v-24h-237v24q28 2 38 14.5t10 44.5v228q0 95 -53 95q-30 0 -58 -25q-9 -7 -18 -18t-9 -15v-265q0 -30 10 -43t36 -16v-24h-232v24q27 2 37 15t10 44v240q0 45 -12.5 64t-41.5 19q-18 0 -52 -23q-32 -23 -32 -39v-261q0 -30 9.5 -42.5t35.5 -16.5v-24h-239v24
q33 6 44 18.5t11 43.5v287q0 35 -11 47t-45 17v24h192v-75h3q30 46 63 66.5t81 20.5q47 0 76 -19.5t52 -67.5q39 48 71.5 67.5t75.5 19.5q62 0 98.5 -38t36.5 -104v-248q0 -33 10.5 -45.5t39.5 -13.5z"></path></g>

			<g transform="matrix(.022,-0,0,-.022,33.188,21.612)"><path id="x1D413" d="M634 676l2 -201h-29q-13 89 -56.5 127.5t-135.5 41.5v-527q0 -57 16 -72q17 -15 82 -20v-25h-357v25q63 4 80 20q17 17 17 72v527q-93 -3 -136.5 -41.5t-56.5 -127.5h-29l3 201h600z"></path></g><g transform="matrix(.022,-0,0,-.022,48.139,21.612)"><path id="x1D41C" d="M412 109l18 -18q-41 -56 -86 -80.5t-105 -24.5q-95 0 -155 65q-59 65 -59 171q0 109 68 180t169 71q66 0 110 -31t44 -79q0 -29 -18.5 -46.5t-49.5 -17.5q-26 0 -41 19t-15 54q0 31 -3 44q-4 26 -39 26q-39 0 -61.5 -45t-22.5 -124q0 -102 37 -161t102 -59q57 0 107 56z
"></path></g>

		
	
</svg>-TRODAT-1 SPECT

<table>ROIs of striatum and occipital lobe in the TRODAT-1 SPECT of a 23-year-old woman (native space). (a) 70% threshold-ROI method and (b) SPECT-normalization approach.</table>

The Scientific World Journal

fig1

Figure 1

Figure 1: Differences of Various Region-of-Interest Methods for Measuring Dopamine Transporter Availability Using <svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" style="vertical-align:-4.50008pt;width:58.150002px;" id="M1" height="27.0625" version="1.1" viewBox="0 0 58.150002 27.0625" width="58.150002">
	
		
			<g transform="matrix(.016,-0,0,-.016,3.8,10.862)"><path id="x1D7D7" d="M31 -13v26q107 22 171.5 85t96.5 175q-37 -19 -88 -19q-83 0 -134 55t-51 150q0 98 61 163q61 66 154 66q105 0 168 -80q64 -79 64 -214q0 -183 -145 -297q-68 -53 -127 -75q-54 -21 -170 -35zM317 414v47q0 118 -25 167q-16 33 -54 33q-34 0 -47 -31q-13 -29 -13 -117
q0 -116 19.5 -165t65.5 -49q27 0 41 9q3 1 5 20q8 34 8 86z"></path></g><g transform="matrix(.016,-0,0,-.016,11.646,10.862)"><use xlink:href="#x1D7D7"></use></g><g transform="matrix(.016,-0,0,-.016,19.491,10.862)"><path id="x1D426" d="M814 24v-24h-237v24q28 2 38 14.5t10 44.5v228q0 95 -53 95q-30 0 -58 -25q-9 -7 -18 -18t-9 -15v-265q0 -30 10 -43t36 -16v-24h-232v24q27 2 37 15t10 44v240q0 45 -12.5 64t-41.5 19q-18 0 -52 -23q-32 -23 -32 -39v-261q0 -30 9.5 -42.5t35.5 -16.5v-24h-239v24
q33 6 44 18.5t11 43.5v287q0 35 -11 47t-45 17v24h192v-75h3q30 46 63 66.5t81 20.5q47 0 76 -19.5t52 -67.5q39 48 71.5 67.5t75.5 19.5q62 0 98.5 -38t36.5 -104v-248q0 -33 10.5 -45.5t39.5 -13.5z"></path></g>

			<g transform="matrix(.022,-0,0,-.022,33.188,21.612)"><path id="x1D413" d="M634 676l2 -201h-29q-13 89 -56.5 127.5t-135.5 41.5v-527q0 -57 16 -72q17 -15 82 -20v-25h-357v25q63 4 80 20q17 17 17 72v527q-93 -3 -136.5 -41.5t-56.5 -127.5h-29l3 201h600z"></path></g><g transform="matrix(.022,-0,0,-.022,48.139,21.612)"><path id="x1D41C" d="M412 109l18 -18q-41 -56 -86 -80.5t-105 -24.5q-95 0 -155 65q-59 65 -59 171q0 109 68 180t169 71q66 0 110 -31t44 -79q0 -29 -18.5 -46.5t-49.5 -17.5q-26 0 -41 19t-15 54q0 31 -3 44q-4 26 -39 26q-39 0 -61.5 -45t-22.5 -124q0 -102 37 -161t102 -59q57 0 107 56z
"></path></g>

		
	
</svg>-TRODAT-1 SPECT 

Figure 1 | Differences of Various Region-of-Interest Methods for Measuring Dopamine Transporter Availability Using 
	
		
			

			

		
	
-TRODAT-1 SPECT 

The Scientific World Journal

Differences of Various Region-of-Interest Methods for Measuring Dopamine Transporter Availability Using -TRODAT-1 SPECT

Figure 1