From the case: Pneumoperitoneum


Annotated image

Section: Signs
Modality: X-ray (Frontal)

- “ Chest x-ray PA view (erect) shows gas under the diaphragm and Rigler sign. Surgical follow up: perforated duodenal ulcer. ”

Used in the following article:

  • Rigler sign - “ 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...”

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