前列腺增生结节的MR动态增强研究_侯仲军.pdf

17 8 2005 2 2 1 2 　J P rac t Radio,l F eb 2005, V o l 21, N o. 2 M R 1 1 2 3 4 侯仲军,吴锡标 ,刘建平, 黄世章,周　文 (1 , 　　5 10260;2 ; 3 ;4 ) 　　:　 M R 。　 5 63 M R , , 19 。 - 。　:(2. 80 ±0. 45)m in, (2. 2 ±0. 4 5)m in。 : 147%±16%, 110%±5%。: T W I 42, T W I 1。, 2 1 :(5. 23 ±1. 94 )m in(, P =0. 009;, P =0. 002), 127% ±16%( , P =0. 011;, P =0. 0 31)。　, , 。 :;;; :R 697+. 3;R445. 2　　:A　　:1002 - 1671(2005)02 - 0 178 - 04 DynamicContrastEnhancedResearch ofProstateNodularHyperplasia HOU Z hong -jun, WU X i - biao, LIU J ian -p ing, HUANG Shi -zhang, ZHOU Wen (Guangzhou Gamm aK nife T ea mt ent and Resea ch Cente, the Second Aff iliated Hosp ita ,l Guangzhou M edical Colleg e, Guangzhou　510260, Ch ina ) 　　Abstrac:t Objective　T o investigate the cha racte ristics o M R dynam ic enhancem en t in bo th norm a l prosta te g lands and pro sta te nodu lar hype rplasia. M ethods　F ive hea lth vo lunteers and 63 cases w ho w e re su spec ted pro sta te d iseases w e re exam ined by M R, u sing pla in scan, dynam ic scan and de layed scan a ter contrast enhancement. There w e re 19 ca ses veri ied w ith prostate nodular hype rplasia. The dynam ic en- hanced curves o pro sta te nodu lar hyperp la sia and no rm al prostate glands in both centra l and periphery zone w ere analysed com parative ly. Re- sults　In the con tro l group, the tmi e to peak signa l w as (2. 80 ±0. 45)m inu te s in cen tra l zone, and (2. 2±0. 4 5)m inutes in pe riphe ra l zone. The m ax mi um con trast ra te w as 147%±16% in central zone and 110% ±5% in pe riphe ra l zone. In prostate hyperp lasia g roup, 42 nodular(98%)on T