1、肾肿瘤的CT表现,柳澄 马睿,肾脏的CT扫描,1、范围：自肾上缘至肾下缘 2、扫描方法：平扫： 增强扫描：皮髓质期、实质期、延迟期 3、图像后处理：MPR、MIP、VR,正常肾脏的CT,肾肿瘤的CT表现：,肾透明细胞癌：皮髓质期高强化 实质期低密度 实质期观察肾静脉有无瘤栓,肾透明细胞癌-1,肾透明细胞癌-2,小肾癌：,囊性肾癌：,错构瘤（血管平滑肌脂肪瘤）,错构瘤（血管平滑肌脂肪瘤）：,关键是脂肪成分的存在,肾嗜酸细胞瘤：,RCC with Hemorrhagic & Necrotic Degeneration (thickening & irregular wall)-case 3,A,R
2、enal Clear Cell Carcinoma with Marked Cystic Degeneration (case 4),BB,Renal Clear Cell Carcinoma with Marked Cystic Degeneration (case 5),multilocular cystic nephroma (case 1),multilocular cystic nephroma (case 2),Non-enhanced,Enhanced,Complicated Cysts,四,Cyst with infection,Thickening wall with smooth inner verge & dim out margin,Chronic infectious cyst,A,B,Acute Hemorrageric Cyst,After 2 weeks,A,A,B,C,D,MPR鉴别意义,谢谢,
