Rigler sign

Case contributed by Radswiki

Presentation

Abdominal pain

X-ray

X-ray demonstrates a Rigler sign, of pneumoperitoneum

Annotated image

Box highlights positive Rigler sign. 

CT

CT confirms the finding. Lung windows can be helpful in finding free gas in the abdomen. 

Case Discussion

This case was donated to Radiopaedia.org by Radswiki.net

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Case information

rID: 11893
Case created: 20th Oct 2010
Last edited: 4th Oct 2017
Inclusion in quiz mode: Included

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