Objective: To investigate the differences of curative effect and safety of submucous injections added adnephrin or normal sodium separately in therapeutic endoscopy of colonal adenoma.

• 摘要目的：探讨黏膜下注射液中加用肾上腺素与单纯使用生理盐水作为黏膜下注射液2种不同方法，在大肠腺瘤内镜治疗中的疗效和安全性方面的差异。