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Rigler’s sign in a patient with massive pneumoperitoneum
  1. S Milanchi,
  2. D Wood
  1. Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, California, USA
  1. Correspondence to:
 S Milanchi
 Cedars-Sinai Medical Center, Department of Surgery, 8700 Beverly blvd, Los Angeles, California 90048, USA; smilanchi{at}

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Rigler’s sign (double-wall sign) was first described by Leo George Rigler (American radiologist, 1896–1979) in 1941. This is a radiographical sign of massive pneumoperitoneum. In massive pneumoperitoneum, abdominal radiography shows that the bowel wall is outlined by air …

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  • Competing interests: None.