The operation was performed successfully once in 11cases(92%).1 case developed dysuresia after removing the catheter,and underwent internal urethrotomy twice.

• 一次手术成功率92%25(11/12),1例拔除导尿管后仍排尿困难,行二次钬激光内切开后好转。1例术后3个月尿线变细,经尿道扩张后症状明显改善,术后均无尿失禁及明显出血。