Barrett's esophagus, a risk factor for esophageal adenocarcinoma, is caused by:

Question

Quizplus · Accepted Answer

Barrett's esophagus is caused by chronic gastroesophageal reflux disease, which causes the lining of the esophagus to undergo changes and become more like the lining of the intestine. The other options listed are not known to cause Barrett's esophagus. Barrett's esophagus is caused by chronic gastroesophageal reflux disease (GERD). The stomach acid backs up into the esophagus, causing tissue damage and leading to the abnormal change in the cells lining the esophagus, which increases the risk of developing esophageal adenocarcinoma. Gastrectomy, esophagitis, and achlorhydria are not the known causes of Barrett's esophagus.

Barrett's Esophagus, a Risk Factor for Esophageal Adenocarcinoma, Is Caused