Pneumatosis intestinalis overview

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Pneumatosis Intestinalis Microchapters
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Overview
Pathophysiology
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Differentiating Pneumatosis Intestinalis from other Conditions
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Overview

Pneumatosis intestinalis is a sign on x-ray which is highly suggestive for necrotizing enterocolitis. The literal meaning is gas in the bowel wall, as opposed to in the lumen which is normal. Pneumatosis intestinalis (PI) is defined as the presence of gas in the bowel wall. PI is associated with numerous conditions, ranging from benign to life threatening.