肾胚胎瘤多见于4岁以内的小儿,成人罕见。现报告1例。患者男性,30岁。1982年10月起,反复左侧腰酸、腰痛,伴尿频尿急,于1983年4月16日入院。查体,体温,脉搏,血压均正常,心肺(一)。肝肋下1.5cm,脾肋下2.0cm,左腹扪及12×6cm大小肿块,质硬、有压痛。实验室检查,血常规及肝功能 Kidney embryo more common in children less than 4 years old, adult rare. Now report 1 case. Male patient, 30 years old. Since October 1982, repeated backache, back pain, urinary urgency, admitted to hospital on April 16, 1983. Physical examination, body temperature, pulse, blood pressure were normal, cardiopulmonary (A). Liver ribs 1.5cm, 2.0cm spleen ribs, left palpation and 12 × 6cm size of the mass, hard, tenderness. Laboratory tests, blood and liver function