Annotated image
Frontal
Modality: Annotated image (Frontal)

- “ Frimann-Dahl’s sign: three linear shadows converging to the left side - a radiographic sign of sigmoid volvulus. A case of Prof. Saeed Rad, Tabri...”

Used in the following articles:

  • Sigmoid volvulus - “ Sigmoid volvulus is a cause of large bowel obstruction and occurs when the sigmoid colon twists on the sigmoid mesocolon. Epidemiology Large bow...”
  • Frimann-Dahl sign - “ Frimann-Dahl sign is a diagnostic sign demonstrated when three dense lines representing the sigmoid walls seen converging to the site of obstructi...”

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