The Endoscopically Abnormal Esophagus

The endoscopic abnormalities that may be seen in association with esophageal disorders are numerous, varying from subtle alterations in the esophageal mucosal surface to large ulcers or masses. This discussion will be focused on a few commonly encountered entities in which clinical, endoscopic and histologic correlation are critical for establishing a correct diagnosis. These include gastroesophageal reflux disease (GERD), eosinophilic esophagitis and Barrett’s esophagus.