目的分析少见腹膜后闭合性损伤的CT表现,提高其诊断水平。方法回顾性分析13例经手术或临床证实的少见腹膜后损伤的CT表现。结果肾上腺血肿11例,伴有肾动脉闭塞2例,表现为肾动脉突然截断,以及“边缘征”。血肿表现为圆形、类圆形或团块状高密度影,并有肾上腺周围组织损伤。胰腺断裂2例,表现为垂直于胰腺长轴的低密度影。结论CT是诊断腹膜后闭合性损伤的重要方法。 Objective To analyze the CT findings of rare retroperitoneal occlusive lesions and improve their diagnostic value. Methods A retrospective analysis of 13 cases of surgically or clinically confirmed rare retroperitoneal CT findings. Results 11 cases of adrenal hematoma, accompanied by renal artery occlusion in 2 cases, the performance of the sudden cut off of the renal artery, and “marginal signs ”. Hematoma showed round, round or massive high-density shadow, and tissue damage around the adrenal. 2 cases of pancreatic rupture, manifested as low-density perpendicular to the long axis of the pancreas. Conclusion CT is an important method for the diagnosis of retroperitoneal occlusive injury.