Barrett’s 食管的特征为柱状上皮化生,绝大多数系胃食管反流的酸性或碱性胃内容物直接作用所致.Barrett’s 食管多为癌前期病变,其中2.5～41%转化为食管腺癌.作者发现2例结肠癌患者同时存在Barrett’s 食管,因而对 Barrett’s 食管患者进行了结肠镜检的前瞻性研究.病例和方法研究组除上述2例男性患者外,作者对63例(男 Barrett’s esophagus is characterized by columnar metaplasia, most of which are caused by the direct action of acidic or alkaline stomach contents of gastroesophageal reflux. Barrett’s esophagus is precancerous, with 2.5 to 41% of them converted to esophageal adenocarcinoma. The authors found that two patients with colon cancer had Barrett’s esophagus simultaneously. Therefore, a prospective study of colonoscopy was performed on patients with Barrett’s esophagus. Case and Method Study Group In addition to the above two cases of male patients, the authors compared 63 cases (male