我科 1990～ 1997年对根治性廓清及机能性廓清各 6 0侧的引流量进行对比观察 ,介绍如下。1　资料与方法1 1　临床资料。全部选取喉癌及下咽癌 ,术前未经化疗或放疗的患者 ,喉切除同期行根治性颈廓清术 6 0侧 ,其中 38例单侧 ,11例双侧 ;男 42侧 ,女 18侧 ,年龄 38～ 75岁 ,平均 Our department from 1990 to 1997 radical clearance and functional clearance of the 60 side of the drainage volume were compared, described below. 1 Materials and Methods 1 1 Clinical data. All selected laryngeal and hypopharyngeal cancer patients without preoperative chemotherapy or radiotherapy, laryngectomy radical neuregulation 60 cases at the same period, of which 38 cases of unilateral and 11 cases of bilateral; male 42, female 18 , Aged 38 to 75 years old, on average