EPIDEMIOLOGY OF COLUMNAR-LINED ESOPHAGUS AND ADENOCARCINOMA

Barrett's esophagus is found in about 1% of the older population and i n 3% to 5% of persons with gastroesophageal reflux. It is acquired mor e commonly by men and the prevalence increases with age. Most cases in the population remain undiagnosed. The incidence of adenocarcinoma of the esophagus and esophagogastric junction is increasing, both being related to Barrett's esophagus. Small areas of intestinal metaplasia a re common but of uncertain significance.