自 1997年以来 ,笔者用括约肌侧切法治疗陈旧性肛裂6 0例 ,疗效较好 ,并与用扩切法治疗的 6 0例作对照观察 ,现总结如下。1　临床资料1.1　诊断标准　参照 1975年全国肛肠学术会议制定的肛裂分类与诊断标准拟定。陈旧性肛裂的裂口已呈梭形溃疡 ,同时有哨痔、肛窦炎或肛乳头肥大 Since 1997, the author used sphincterotomy method for the treatment of 60 cases of old anal fissure, the effect is good, and with the expansion of 60 cases treated as control, are summarized as follows. 1 clinical data 1.1 diagnostic criteria with reference to the 1975 national anorectal conference developed anal fissure classification and diagnostic criteria developed. Old anal fissure has fusiform ulcer, while whistle hemorrhoids, anal sinusitis or anal nipple hypertrophy