Pneumatosis intestinalis overview

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

Pneumatosis Intestinalis Microchapters
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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.