结论肾盂输尿管成形术术后需要密切随访，及时发现和治疗并发症。

Conclusions Close follow-up is essential for pyeloplasty, and the postoperative complications shall be treated early.

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输尿管息肉的治疗以手术为主，应根据息肉的大小、数量、部位及肾脏受累程度选择单纯切除术、输尿管部分切除术和肾盂成形术等。

Surgery is the main treatment for ureteral polyps and a correct choice of the surgical approach should be decided by the lesion size, Numbers, position and loss degree of renal unit function.

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目的探讨腹腔镜辅助体外肾盂成形术治疗肾盂输尿管连接处梗阻（UPJO）的临床疗效。

ObjectiveTo evaluate the clinical efficiency of laparoscopically-assisted extracoporal pyeloplasty in the treatment of ureteropelvic junction obstruction (UPJO).

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