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用自制针式高频电刀于内镜下切除食管癌术后吻合口疤痕狭窄组织。共进行８９例、２６２次。其中，中上段狭窄５２例（５８．４２％），中下段狭窄３７例（４１．５８％）。吻合口＜２．０ｍｍ呈闭合状４０例，＜３．０ｍｍ１７例，＞３．０ｍｍ１６例，有１６例被食物团嵌顿。切除疤痕后１次即通畅者６２例，作２次、３次通畅者各１１例，作８１次、４３次、１２次、５次、４次通畅者各１例（前２例为膜蹼样疤痕增生狭窄，每１－３月需重复治疗１次）。本项治疗技术疗效可靠，安全性好，值得推广。
Esophageal carcinoma anastomotic scar stenosis was surgically resected with a self-made needle high-frequency electric knife. A total of 89 cases, 262 times. Among them, 52 cases (58.42%) were in the upper and middle stenosis, and 37 cases (41.58%) were in the middle and lower stenosis. The anastomosis was <2.0mm in 40 cases closed, <3.0mm in 17 cases, >3.0mm in 16 cases, 16 cases were incarcerated by the food group. After the scar was removed, 62 cases were unobstructed, 11 cases were performed 2 times, 3 cases were unobstructed, and 1 case was performed 81 times, 43 times, 12 times, 5 times, and 4 times. (The first two cases were diaphragmatic fistulas. Scar-like hypertrophy and stenosis, requiring repeated treatment once every 1-3 months). This treatment technology is reliable, safe and worthy of promotion.