Figure 10. Barrett esophagus with a midesophageal stricture and a reticular pattern. Double-contrast esophagogram shows a focal area of mild narrowing in the midesophagus (black arrow). Note also the distinctive reticular pattern that extends distally a considerable distance from the stricture (approximately to the level indicated by the white arrow). This reticular pattern is thought to result from intestinal metaplasia in Barrett mucosa. (Reprinted, with permission, from reference 20.)