肾癌的影像学表现

The imaging findings of renal carcinoma and its misdiagnosis causes

目的:探讨提高肾癌的诊断准确率。方法:搜集82例经手术病理证实的肾癌病例,就其B超、X线(静脉或逆行肾盂造影)、CT、MRI及血管造影表现及误诊原因进行回顾性分析。结果:82例中,80例行B超检查,均发现异常,确诊18例,误诊8例;48例X线检查,42例发现异常,确诊6例,误诊12例;72例行CT检查,均发现异常,确诊49例,误诊8例;12例MRI检查,均发现异常,确诊8例,误诊3例;69例血管造影检查,68例发现异常,确诊56例,误诊8例。结论:B超在发现肾脏病变中具有较高的检出率;CT对确定诊断有较高价值,是目前最可靠的诊断肾癌的影像学方法。对CT不能确诊的可行MRI或血管造影,静脉或逆行肾盂造影检查助诊。

Objective： To analyze the accuracy of imaging examinatious on diagnusis of renal carcinoma. Methods： In this retrospectively study, the B-US, X-ray, CT, MRI and angingrapby findings of 82 patients of renal carcinoma, proved by operation, were analyzed for misdiagnosis. Results：80 cases were examined by using B-US, all of them were found imaging abnormal, 18 d them were diagnosed, 8 d them were misdiagnused; 48 cases by using X-ray, 42 d them were found abnormal, 6 d them were diagnosed, 12 d them were misdiagnosed; 72 cases by using CT, all of them were found abnormal, 49 d them were diagnosed, 8 d them were misdiagnused; 12 cases by using MRI, all of them were found abnormal, 8 of them were diagnosed, 3 of them were misdiagnused; 69 cases by using angiography, 68 of them were found abnormal, 56 of them were diagnosed, 8 of them were misdiagnosed. Conclusion： B-CUS is very helpful to find imaging abnormal in kidney, and CT is very useful for the diagnosis of renal carcinoma; MRI, angiography and pyelography can be used as auxiliary examinations.