肾脏集合管癌的CT表现和鉴别诊断分析

Renal collecting duct carcinoma of the CT diagnosis and differentiation

目的探讨肾脏集合管癌的CT特征，以提高对该病诊断的正确性。方法回顾性分析5例经病理证实肾脏集合管的临床资料并复习相关文献。结果5例患者均有肉眼血尿及腰痛病史，2例肿瘤位于有肾体部，2例位于左肾上极，1例位于右。肾下极，5例均有肾周脂肪囊受侵犯，境界不清，侵袭性生长，cT增强扫描病变呈中等不均匀强化。结论肾脏集合管癌临床症状明显，以肉眼血尿、腰痛为主，结合临床，CT检查可作出初步诊断，但最终诊断还需病理组织学和免疫组化检查。

Objective Of renal collecting duct carcinoma of the CT features , in order to improve disease diagnosis.Methods Retrospective analysis of five cases of collecting duct carcinoma of the clinical data and review the literature. Results 5 cases of patients had a history of gross hematuria and flank pain, 2 cases of tumors located in the body of the right kidney, 2 cases in the upper pole of left kidney, 1 case in the lower pole of right kidney, 5 cases were perirenal fat capsule are violated, state unclear, invasive growth, CT enhanced scan showed moderate heterogeneous enhanced lesions. Conclusion clinical symptoms of kidney collecting duct carcinoma with gross hematuria, obviously, lumbago, clinical, CT can make preliminary diagnosis. Diagnosis should mainly rely on the pathological and histological and immunohistochemical inspection.