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作者用内腔镜电凝术综合治疗不能手术的食管癌190例和胃近端癌57例(共247例)。平均年龄56.4±9.7岁。男148例,女99例。全部病例经食管镜证实,均因肿瘤广泛或存在并发症而不能手术,并已有显著饮食营养障碍。内腔镜电凝术是把Olympus 公司的EF-B_2型食管镜插入食管腔,观察肿瘤并寻找阻塞食管后形成的肿瘤管道入口。食管腔完全阻塞或明显受压时,肿瘤管道入口则呈裂隙状、星形圆锥陷窝状或根本不能识别。入口的位置亦各异。任何位置的入口均把电极插入其内深达15～20mm,当电极退回时则接通电源作电凝切割,重复操作3～4次。这样使肿瘤外部成分在切
The authors treated 190 cases of inoperable esophageal cancer and 57 cases of proximal gastric cancer (all 247 cases) by endoscopic electrocoagulation. The average age was 56.4±9.7 years old. There were 148 males and 99 females. All cases were confirmed by esophagoscopy. They were inoperable due to extensive tumors or complications, and had significant dietary dystrophy. Endoscopic electrocoagulation is the insertion of an Olympus EF-B_2 esophagoscope into the esophagus cavity to observe the tumor and find the entrance to the tumor conduit formed after occlusion of the esophagus. When the esophageal cavity is completely obstructed or significantly under pressure, the entrance to the tumor conduit is in a fissure-like, star-shaped conical nest or is not recognized at all. The location of the entrance is also different. The entrance of any location is to insert the electrode into its depth of 15 ~ 20mm, when the electrode is returned, then turn on the power for electrocoagulation, repeat the operation 3 to 4 times. This allows the external components of the tumor to be cut