Face - Tripod fracture - OM view

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Face - Tripod fracture - OM view

  • A 'tripod' fracture has 4 visible components - not always all visible
  • 1 - Orbital floor fracture
  • 2 - Fracture of the lateral wall of the maxillary antrum
  • 3 - Zygomatic arch fracture
  • 4 - Widening of the zygomatico-frontal suture
  • Increased density of the maxillary antrum is due to it filling with blood

Face - Tripod fracture - OM30 view

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Face - Tripod fracture - OM30 view

  • The fractures are again shown on the Occipito-Mental 30 view
  • The zygomatico-frontal suture (asterisk) appears relatively normal on this image and looks similar to the contralateral side
  • A slightly wide zygomatico-frontal suture should not be taken as significant unless accompanied by other evidence of injury on the same side