Gastrointestinal perforation classification

	Gastrointestinal perforation Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D [2]

Overview

There is no specific classification for gastrointestinal perforation but it can be classified by cause and by age of subjects.

Instrumentation of the gastrointestinal tract includes upper endoscopy, sigmoidoscopy, colonoscopy, stent placement, endoscopic sclerotherapy, nasogastric intubation, esophageal dilation, and surgery.
The area of the esophagus at most risk for instrumental perforation is Killian's triangle, which is the part of the pharynx formed by the inferior pharyngeal constrictor and cricopharyngeus muscle.
Gastrointestinal leakage can also occur postoperatively as a result of anastomotic breakdown.
Immunosuppressed individuals may be at increased risk for dehiscence and deep organ space infection following surgery.

Crohn's disease has a propensity to perforate slowly, leading to formation of entero-enteric or enterocutaneous fistula formation.

Diseases such as typhoid, tuberculosis, or schistosomiasis can perforate the small intestine.
The perforations usually occur in the ileum at necrotic Peyer's patches.

Neoplasms can perforate by direct penetration and necrosis, or by producing obstruction.