gastrointestinal disorders
Acute Perforation of the Gastrointestinal Tract
Etiology of Acute Perforation of the GI Tract
). Swallowed foreign bodies, even sharp ones, rarely cause perforation unless they become impacted, causing ischemia and necrosis from local pressure (see Overview of Foreign Bodies in the Gastrointestinal Tract ). Foreign bodies inserted via the anus may perforate the rectum or sigmoid colon (see 