患者，女，14岁。5年前无明显诱因出现尿急、尿放等尿路刺激症状，曾作抗炎等对症治疗，但疗效不佳，病情呈送行性加重。否认有过外伤史，家族中无遗传疾病史。体检：双肾区不肿大，右脊助角区叩击病，外阴无异常。B超显示右肾不清，输尿管呈囊状扩张迂曲，上段党2．8cm，下段? Patient, female, 14 years old. 5 years ago there was no obvious incentive urinary urgency, urinary discharge and other urinary tract irritation, had anti-inflammatory symptomatic treatment, but the poor efficacy of the disease was degenerative. Denied having a history of trauma, family history of no genetic disease. Physical examination: double kidney area is not swollen, percussion disease right corner supporting area, no abnormal vulva. B ultrasound showed unclear right kidney, ureteral cystic dilatation tortuous, upper section of the party 2.8cm, the next paragraph?