Frontal
Modality: X-ray (Frontal)

- “ The patient had a history of Crohn's disease. He was taken to theater (with no need for CT imaging). Intraoperative findings- perforation of dista...”

Used in the following article:

  • Rigler sign (bowel) - “ The Rigler sign, also known as the double wall sign, is seen on a radiograph of the abdomen when the air is present on both sides of the intestine...”
  • Abdominal x-ray air (summary) - “ This is a basic article for medical students and other non-radiologists Abdominal x-ray review is a key competency for medical students, junior d...”

View full size version of Rigler sign of free intraperitoneal gas

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