肾脏炎性假瘤临床较少见，而双侧肾脏炎性假瘤更为罕见，现报告1例。患者，男，20岁。3月前因双侧腰背部疼痛不适伴低热（37．6℃～38．5℃），在外院行抗感染治疗无明显缓解，经B超检查诊断为“双肾占位性病变”转入我院治疗。自发病以来无尿频、尿急、尿痛及血尿史。体检：双 Kidney inflammatory pseudotumor clinical less common, but bilateral renal pseudotumor is more rare, is reported in 1 case. Patient, male, 20 years old. 3 months ago due to bilateral lower back pain discomfort with fever (37.6 ℃ ~ 38.5 ℃), outside the hospital anti-infective treatment no significant relief, the B-ultrasound diagnosis of “double occupying lesions” into Our hospital treatment. Since the onset of frequent urination, urgency, dysuria and hematuria history. Physical examination: double