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Rigler sign

Case contributed by Radswiki


Abdominal pain


X-ray demonstrates a Rigler sign, of pneumoperitoneum

Annotated image

Box highlights positive Rigler sign. 


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

Case Discussion

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Case information

rID: 11893
Published: 20th Oct 2010
Last edited: 26th Aug 2020
Inclusion in quiz mode: Included

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