Ureterolithotomy or ureterocystoscope with holmium revealed that adhesive ureterostenosis in 6, inflammatory ureteral polyp in 4, encapsulation of the calculi by granulation tissue in 2.

术中尿管炎性狭窄6例，息肉2例，肉芽组织裹2例。

Ureterolithotomy is thy best way for upper segment ureteral calculi and ureterocystoscope with holmium is the hest way for middle or lower segment ureteral calculi when ESWL fails.

ESWL治疗失败后，尿管上段结石尿管切开取石术，尿管下段结石尿管镜下钬激光碎石术。