CT灌注成像评价甲状腺病变.pdf

中国医学影像技术 20 10 年第 26 卷第 2 期 　Chin J Med Imaging Technol ,20 10 ,Vol 26 ,No 2 ·265 · 　头颈部影像学 Multisl ice CT perf usion imaging eval uation of thyroid diseases YI N X i ul i ng , QI U S hij un , Z H A O Yang , C H E N Yu ( ) I m ag i ng Center , N anf ang H osp i t al , S out he rn M e d ical Uni ve rs i ty , Guang z hou 5 105 15 , Chi na [ Abstract] 　Objective 　To explore t he clinical value of multislice C T enhancement p erfu sion imaging (M SC TP I) in diagno si s and differential diagno si s of t hyroid di sease . Methods 　Thirt yt hree p atient s wit h benign t hyroid di sea ses were enrolled in t he benign group , and were divided into subgroup s of no dular goit er ( n = 17) and t hyroid adenoma ( n = 16) , while 10 p a tient s wit h t hyroid carcinoma were enrolled in t he malignant group . All p atient s underwent routine C T scanning and M SC T P I wit h GE L ight Sp eed 16det ector row C T scanner . Timeden sit y curve ( TDC) of common carotid for benign t hyroid di sea ses and t hyroid carcinoma was depict ed . Perfu sion p aramet er s of bloo d flow (B F) , blood volume (BV) , mean t ran sit time (M T T) and p ermeabilit y surface area p ro duct ( P S) were obt ained automatically . All p aramet er s were st ati stically analyzed among group s. Results 　TDC showed single p eak in common carotid art ery , wit h small p eak of sp eed up and slow down in benign group , while wit h ba seline segment , up above , down