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Other Optional CT Protocols

a) Facial bones

  • CT head is not the equivalent of CT facial bones - facial bones are not typically included in a CT head non-contrast
  • Head CT can be extended to include all of mandible and skull base in order to obtain CT of both head and facial bones in one acquisition
  • Clinical evidence of facial bone one acquisition
  • Clinical evidence of facial bone injury
  • Additional axial, coronal and sagittal series using bone algorithm are produced
  • Required in facial trauma
b) CTA of Circle of Willis (COW)

  • Clinical setting of headache with intracranial bleed (SAH) and minor trauma raising suspicion of ruptured aneurysm
c) CTA of carotid arteries and vertebral arteries

  • Clinical setting of penetrating or direct blunt neck injury
  • Screening criteria for blunt cerebrovascular injury (BCV) available in Appendix H
SOURCE: Other Optional CT Protocols ( )
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