自发性肾被膜下血肿少见,双侧罕见。本文报告3例。其中,单侧2例,双侧1例。现报道如下。例1 女,20岁。因左腰痛1个月,肉眼血尿伴发烧1周入院。否认外伤史。B超、IVU及逆行造影均显示左肾积水。手术探查证实为左肾被膜下血肿,部分血肿已机化,肾实质受压萎缩。例2 女,35岁。1989年3月因心律失常,不除外细菌性心内膜炎收住内科。住院期间突然发生双侧肾绞痛。B超、CT扫描诊断双肾被膜下血肿。行一侧穿刺引流,另一侧手术切开引流。术中见左肾被膜下 Spontaneous subrenal hematoma is rare, bilateral rare. This article reports 3 cases. Among them, unilateral in 2 cases, bilateral in 1 case. Report as follows now. Example 1 Female, 20 years old. 1 month due to left lumbago, gross hematuria with fever 1 week admission. Denied the history of trauma. B ultrasound, IVU and retrograde angiography showed left hydronephrosis. Surgical exploration confirmed that the left renal capsule hematoma, some hematoma has been organic, renal parenchymal atrophy compression. Example 2 female, 35 years old. March 1989 due to arrhythmia, no exception bacterial endocarditis admitted to medicine. Bilateral renal colic occurred suddenly during hospitalization. B ultrasound, CT scan diagnosis of subrenal hematoma. Puncture and drainage on one side of the line, the other side of the surgical incision and drainage. See surgery under the left kidney capsule