Rigler's sign

Rigler's sign
Rigler's sign

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

Overview

Rigler's sign, also known as the double wall sign, is seen on an x-ray of the abdomen when air is present on both sides of the intestine; a Rigler's sign is present when air is present on the inside (lumenal side) and the outside (peritoneal side). Air in the peritoneum is considered abnormal, unless the patient had a recent abdominal surgery.

A false double wall sign can result from two loops of bowel being in contact with one another.

Diagnostic Findings

The images shown below are courtesy of RadsWiki.

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  Confirmed on CT

Related Chapters

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