1996年 2月至 1998年 12月 ,我科采用国产记忆合金支架治疗食管良恶性狭窄 6 3例 ,疗效满意 ,现报告如下。1　临床资料6 3例食管狭窄患者中 ,男 46例 ,女 17例 ,年龄 5 3～ 82岁 ,平均 6 2 5岁。狭窄性质 :良性狭窄 42例 ,包括贲门及食管癌手术或放疗后瘢痕性狭窄。癌性狭窄 2 February 1996 to December 1998, our department using domestic memory alloy stent treatment of benign and malignant esophageal strictures 63 cases, the results are satisfactory, are as follows. 1 Clinical data 63 cases of esophageal stenosis, 46 males and 17 females, aged 53 ~ 82 years, mean 62.5 years old. Stenosis: 42 cases of benign stenosis, including cardia and esophageal cancer surgery or cicatricial stenosis. Cancerous stenosis 2