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。
2
Conclusion: the retrograde ureteral catheter to renal insufficiency in patients with advanced cervical cancer access to treatment, patients can reduce pain and prolong life.
结论逆行输尿管置管使中晚期宫颈癌肾功能不全患者获得治疗机会，可以减轻病人痛苦及延长患者生命。
3
All patients were treated with retrograde double-J ureteral catheter.