本文报告对5例输尿管上段梗阻病人施以肾下盏输尿管吻合术,4例成功。1例失败。其体会是:完整地将紧密粘连的肾脏剥离,在原位低温下阻断肾蒂,切除肾下极,让输尿管与肾下盏在无张力的情况下吻合是本手术成功的关键。并对失败的原因、适应证和禁忌征等作了讨论。 This article reports 5 cases of upper ureteral obstruction patients under the renal calyx ureter anastomosis, 4 cases of success. 1 case failed. The experience is: Completely close the adhesion of the kidneys peel, in situ cryogenic block the renal pedicle, removal of the lower pole of the kidney, so that ureter and renal calix anastomosis without tension is the key to the success of this operation. The reasons for the failure, indications and contraindications were discussed.