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%)。
Retrograde pyelography showed filling defect of the diseased ureter in 16 (76%) of 21 cases (5 cases had failure of intubation).
逆行肾盂造影时输尿管导管弯曲，呈“S”形。
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。
On retrograde pyelography the catheter is curved as"S"shape.
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