目的:评价CT在肾包膜下积液诊断及治疗中的价值。方法:对25例肾包膜下积液患者的CT图片及临床资料进行回顾性总结。结果:CT不仅对肾包膜下积液诊断准确率达100%,对合并肾挫裂伤,肝、脾破裂,腰椎骨折,腹腔积液等也能作出准确诊断。结论:CT诊断是选择用保守,介入或手术方法治疗肾包膜下积液的依据。 Objective: To evaluate the value of CT in the diagnosis and treatment of effusion under the renal capsule. Methods: The CT images and clinical data of 25 patients with subrenal fluid were retrospectively reviewed. Results: CT not only diagnosed the subencapsular fluid as 100%, but also made accurate diagnosis on the combined renal contusion and laceration, liver and splenic rupture, lumbar fracture and peritoneal effusion. Conclusion: CT diagnosis is the basis of choice of conservative, interventional or surgical treatment of subrenal fluid.