乳头状肾细胞癌的CT表现与手术病理对照?
Computerized Tomography Theory and Applications(2013)
Abstract
目的:分析乳头状肾细胞癌的CT影像,探讨其相对特异的CT表现。方法:回顾性分析10例经病理证实的乳头状肾细胞癌的临床、手术及CT资料。结果:全部病例均为单发肿块,位于右肾7例,位于左肾3例,CT平扫肿瘤呈圆形或椭圆形,边缘清楚或欠清楚。病变长径1.0~4.5 cm,平均2.5 cm。瘤体小时(≤3 cm)密度较均匀,无囊变和坏死;瘤体较大时(≥3 cm)常出现坏死、囊变。肿瘤强化程度较低,三期呈渐进性轻度增强,特别是排泄期密度略降低。结论:与其他亚型肾癌相比,乳头状肾细胞癌的CT表现有一定特征,多呈渐进性轻度强化,其确诊可为手术方式的选择提供依据。
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Key words
papillary renal cell carcinoma,dynamic enhanced CT,clear cell carcinoma of kidney
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