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了解CT在原因不明肾绞痛诊断中的价值。方法：回顾性分析5年间36例不明原因肾绞痛患者的CT、B超、KUB及IVP等影像学资料及治疗结果。结果：CT诊断尿路结石30例，其中28例为手术成药物治疗结果证实，诊断准确率（93．3％）明显高于B超（66.6％）及KUB、IVP（44．4％）。并对克隆氏病、右侧卵巢囊肿伴囊内出血等非尿路结石性疼痛作出准确诊断。结论：CT能显示各种包括阴性结石在内的不同成份的尿路结石，对肾绞痛的病因诊断快速准确并可作出相关的鉴别诊断。
To understand the value of CT in the diagnosis of unexplained renal colic. Methods: The CT, B ultrasound, KUB and IVP imaging data of 36 patients with unexplained renal colic during 5 years were retrospectively analyzed. Results: CT diagnosis of urinary tract stones in 30 cases, of which 28 cases of surgical treatment confirmed the results of the diagnosis accuracy (93.3%) was significantly higher than the B- (66.6%) and KUB, IVP (44.4%). And Crohn’s disease, right ovarian cyst with intracapsular hemorrhage and other non-urinary calculi to make accurate diagnosis. Conclusion: CT can display a variety of urinary calculus with different components including negative stones. The diagnosis of renal colic is rapid and accurate and can make differential diagnosis.