Rigler sign (pneumoperitoneum)

Case contributed by Dr Mohammad Taghi Niknejad

Patient Data

Gender: Female

Annotated image

Annotated image.

Case Discussion

Rigler sign is a reliable indicator of pneumoperitoneum on a supine abdominal radiograph. The internal and external air (in bowel and in the peritoneal space, respectively) highlights the bowel wall, like a smooth line.

There is a large dome sign as well.

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Case information

rID: 20680
Published: 6th Dec 2012
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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