患者男,47岁。因间歇性肉眼血尿8年入院。患者病前体健,无明显诱因突感左腰部胀痛,继之出现肉眼血尿,无尿频、尿急、尿痛症状,无畏寒发热,有轻度恶心呕吐,经对症处理血尿可缓解。上述症状每年发作4～5次,时重、时轻,剧烈运动时易发作。尿常规检查:红细胞满视野。X 线腹部平片提示左肾盂处有绿豆大结石两枚,多次尿找脱落细胞均阴性。膀胱镜检查见左侧输尿管开口喷血明显,膀胱三角区 Male patient, 47 years old. Due to intermittent gross hematuria admitted to hospital for 8 years. Patients premorbid physical health, no obvious incentive to highlight the left loin pain, followed by gross hematuria, no frequent urination, urgency, dysuria symptoms, no chills, fever, mild nausea and vomiting, symptomatic treatment of hematuria can be alleviated. The symptoms of attack 4 to 5 times a year, when the weight, light, strenuous exercise prone to attack. Urine routine examination: full of red blood cells field of vision. X-ray abdominal plain film prompted the left renal pelvis with mung bean two times, many times to find out urine cells were negative. Cystoscopy see the left ureteral orifice splashed significantly, the bladder trigone