Double Wall Sign | definition of Double Wall Sign by Medical dictionary
Double Wall Sign
A finding on a plain supine abdominal film, caused by rupture of a hollow GI viscus—e.g., stomach, duodenum, or colon—in which free air (pneumoperitoneum) outlines the falciform ligament and enhances loops of the small intestine
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References in periodicals archive
However, the double wall sign
can also be a characteristic of Meckel's diverticulum or sonographic artifacts.