Annotated image
Frontal
Modality: Annotated image (Frontal)

- “ Frimann-Dahl sign: three linear shadows converging to the site of obstruction - a radiographic sign of sigmoid volvulus. A case of Professor Saee...”

Used in the following articles:

  • Sigmoid volvulus - “ Sigmoid volvulus is a cause of large bowel obstruction and occurs when the sigmoid colon twists on its mesentery, the sigmoid mesocolon. Epidemio...”
  • Frimann-Dahl sign - “ The Frimann-Dahl sign is a diagnostic sign demonstrated when three dense lines, representing the sigmoid walls, are seen converging to the site of...”

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