Keywords Renal tumor;Clear-cell carcinoma;Carcinoma sarcomatodes;Renal pelvic carcinoma;Oncocytoma;Angioma;CT;

• 肾肿瘤;透明细胞癌;肉瘤样癌;肾盂癌;嗜酸细胞瘤;血管瘤;CT;