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Football sign

File:Wilson American football.jpg
The football sign is named after the American football, shown here.

In radiology, the football laces sign is a sign indicative of air in the abdominal cavity seen on supine radiographs of the abdomen. It appears as a large oval radiolucency reminiscent of an American football.[1] The football sign is most frequently seen in infants with spontaneous or iatrogenic gastric perforation causing pneumoperitoneum. It is also seen in bowel obstruction with secondary perforation, as in Hirschprung disease, midgut volvulus, meconium ileus and intestinal atresia. Iatrogenic causes like endoscopic perforation may also give football sign.

See also


  1. ^ Rampton JW (April 2004). "The football sign". Radiology 231 (1): 81–2. PMID 14990817. doi:10.1148/radiol.2311011290. 

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