Esophageal pneumatosis: a pictorial review

Gastrointestinal pneumatosis has been reported from the esophagus to the rectum, with most cases involving the small bowel, stomach, or colon. Esophageal pneumatosis is rare, with only a small number of case reports described in the literature, although it is likely underreported. Esophageal pneumatosis may be idiopathic or secondary to a specific underlying cause. Mechanisms of esophageal pneumatosis include increased intraluminal pressure,...