Sigmoid volvulus - 'coffee bean' sign

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Sigmoid volvulus - 'coffee bean' sign

  • Sigmoid volvulus is due to a twist at the base of the sigmoid mesentery which is in a fixed position (asterisk) in the left iliac fossa.
  • This results in the appearance of a giant 'coffee bean', the typical sign of sigmoid volvulus.

Sigmoid volvulus - 'coffee bean' sign

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Sigmoid volvulus - 'coffee bean' sign

  • Here is another example of the 'coffee bean' sign of sigmoid volvulus.