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.

术中证实炎性6，息肉2，肉芽组织裹2。

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，上段结石首选切开取石术，下段结石首选镜下钬激光碎石术。