The group treated by Diomed laser had shorter operation time, less bleeding in the operation, and shorter postoperative days in hospital than that of the group with part laryngectomy. No patient had tracheotomy or gastrogavage in laser group.

• 激光组在手术时间、术中出血量、术后住院天数等方面明显少于喉部分切除术组 (P <0 .；0 1 )；激光组可避免气管切开及术后鼻饲。