患者男性,53岁。1989年体检时B超发现左肾增大积水,即做静脉尿路造影检查,诊断为“左肾轻度积水”。后虽经各种检查,其积水原因不明。近几年常感腰酸胀痛,并逐渐加重,且伴有高血压和双下肢浮肿,心肺和尿常规检查均正常。于1995年4月再行静脉肾盂造影,见双肾严重积水,双输尿管及 Patient male, 53 years old. B-ultrasound examination in 1989 when the left kidney increased water, that is done intravenous urography, diagnosed as “mild left kidney water.” Although after a variety of checks, the cause of the water is unknown. In recent years often feel back pain, and gradually increased, and accompanied by hypertension and edema of both lower extremities, cardiopulmonary and urinal routine examination were normal. In 1995 April and intravenous pyelography, see severe renal water, double ureter and