上段食管的异位胃粘膜并不罕见,但临床很少引起重视.作者等在420例因各种疾病作上消化道内窥镜检查的患者中发现16例(占3.8%,男女各半)在上段食管入口处下方有胃粘膜斑.在该处及其它部位的食管粘膜,分别作2块以上活检,并测量异位粘膜斑块的大小.5例患者在静脉注射五肽胃泌素10μg/kg后30分钟测定胃和食管各部的pH. The upper esophageal ectopic gastric mucosa is not uncommon, but clinically seldom cause attention. The authors found in 16 cases (3.8%, men and women half) in 420 patients with various diseases due to upper gastrointestinal endoscopy Gastric mucosal plaque was observed below the upper esophageal entrance, and more than two biopsies were taken at this and other sites of esophageal mucosa, and the size of the ectopic mucosal plaque was measured.5 patients were treated with intravenous pentagastrin 10 μg / 30 minutes after the determination of gastric and esophageal parts of the pH.