Ｂａｒｒｅｔｔ食管（Ｂａｒｒｅｔｔ＇ｓｅｓｏｐｈａｇｕｓ，ＢＥ）是指食管下段复层鳞状上皮被化生性柱状上皮所取代的病理现象。因ＢＥ是食管腺癌的癌前病变之一，且近年Ｂａｒｒｅｔｔ食管腺癌（下称ＢＥ腺癌）的发病率有增高趋势［１］，因此临床须重视ＢＥ的诊治。ＢＥ Barrett’sesophagus (BE) is a pathological phenomenon in which the stratified squamous epithelium of the lower esophagus is replaced by a metaplastic columnar epithelium. Since BE is one of precancerous lesions of esophageal adenocarcinoma, and the incidence of Barrett’s esophageal adenocarcinoma (hereinafter referred to as “BE adenocarcinoma”) has increased in recent years [1], clinical attention must be paid to the diagnosis and treatment of BE. BE