On retrograde pyelography the catheter is curved as"S"shape.
逆行肾盂造影时输尿管导管弯曲，呈“S”形。
Retrograde pyelography showed filling defect of the diseased ureter in 16 (76%) of 21 cases (5 cases had failure of intubation).
逆行肾盂造影检查21例，插管不成功5例，输尿管充盈缺损16例(76%)。
Methods 24 cases of primary ureter carcinoma underwent ultrasound(US), intravenous pyelography(IVP), retrograde pyelography and CT scan.
目的提高超声对终端输尿管癌的诊断准确率并能为手术方式提供可靠的依据。
Methods: 90 renal colic patients received catheterization of ureter. They received KUB and retrograde pyelography at the same time. If calculus was found, They get ESWL immediately.
方法：对90例肾绞痛患者行输尿管插管治疗，同时行kub和逆行造影，发现结石者行eswl未发现结石输尿管通畅者拔除输尿管导管。
Methods: 90 renal colic patients received catheterization of ureter. They received KUB and retrograde pyelography at the same time. If calculus was found, They get ESWL immediately.
方法：对90例肾绞痛患者行输尿管插管治疗，同时行kub和逆行造影，发现结石者行eswl未发现结石输尿管通畅者拔除输尿管导管。
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