1、天津医科大学附属肿瘤医院放射科 赵金坤 叶兆祥表1 RCC三种常见亚型的CT平扫表现比较 RCC常见亚型透明细胞癌乳头状癌嫌色细胞癌肿块大小(最大径,单位:cm)1.8-16.5(5.83.2)3.2-13.2(5.62.7)3.6-9.2(5.52.2)形态不规则62%(62/100)31.8%(7/22)11.1%(1/9)平扫CT值(单位:HU)35.973.6736.502.6137.383.11密度不均82%(82/100)59.1%(13/22)22.2%(2/9)瘤内出血9%(9/100)22.7(5/22)0(0/9)瘤内钙化5%(5/100)27.3%(6/22)33.3%(
2、3/9)表2 RCC三种常见亚型CT平扫表现统计学结果RCC常见亚型透明细胞癌乳头状癌嫌色细胞癌透明细胞癌乳头状癌透明细胞癌嫌色细胞癌乳头状癌嫌色细胞癌肿块大小F0.097P0.907-形态不规则210.142*P0.00624.310*P0.03825.071*P0.024P0.371(Fisher,s Exact Test)平扫CT值F0.55P0.579-密度不均218.430*P0.00024.243*P0.039213.482*P0.000P0.113(Fisher,s Exact Test)瘤内出血24.970P0.083-肿块内钙化212.117*P0.00220.359*P0.
3、004P0.018*(Fisher,s Exact Test)P1.000(Fisher,s Exact Test)表3 RCC三种常见亚型的CT强化表现(单位:HU)透明细胞癌乳头状癌嫌色细胞癌不均匀强化90%(90/100)68.2%(15/22)22.2%(2/9)CP CT值139.1222.4369.057.7267.387.13CP强化CT净值103.1522.7932.557.7630.007.86NP CT值91.8215.6680.909.9478.507.46NP强化CT净值55.8516.5544.4010.6341.138.69表4 RCC三种常见亚型CT强化表现统计学
4、结果RCC常见亚型透明细胞癌乳头状癌嫌色细胞癌透明细胞癌乳头状癌透明细胞癌嫌色细胞癌乳头状癌嫌色细胞癌不均匀强化222.697*P0.00025.454*P0.020223.895*P0.000P0.044*(Fisher,s Exact Test)CP增强净值F92.374*P0.000P0.000 P0.000P0.109NP增强净值F7.008*P0.001P0.03P0.01P0.859表5 RCC三种常见亚型的周围侵犯和/或远处转移情况透明细胞癌乳头状癌嫌色细胞癌肾周和/或肾窦受累39%(39/100)27.3%(6/22)0(0/9)肾静脉和/或下腔静脉瘤栓3%(3/100)0(0/22)0(0/9)肾门及腹膜后淋巴结转移3%(3/100)18.2%(4/22)0(0/9)肾筋膜外侵犯或远处转移6%(6/100)0(0/22)0(0/9)、