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Thread: Pneumoperitoneum Football sign

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    Default Pneumoperitoneum Football sign

    Football 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.
    Pneumoperitoneum Football sign attachment.php?attachmentid=205&stc=1&d=1434464906
    It is most frequently seen in children with advanced necrotising enterocolitis. Other causes include:

    • bowel obstruction with secondary perforation
    • malrotation with midgut volvulus
    • Hirschsprung disease
    • meconium ileus
    • intestinal atresia
    • peptic ulcer disease
    • iatrogenic
    • endoscopic perforation

    The football sign is most frequently seen in infants with spontaneous or iatrogenic gastric perforation causing pneumoperitoneum.

    Pneumoperitoneum is the presence of air or gas in the abdominal (peritoneal) cavity. It is often seen on X-ray, but small amounts are often missed, and CT is nowadays regarded as a criterion standard in the assessment of a pneumoperitoneum. CT can visualize quantities as small as 5 cm³ of air or gas. The most common cause is a perforated abdominal viscus, generally a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal trauma. A perforated appendix seldom causes a pneumoperitoneum.

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