Cerebral herniation

Types

• Subfalcine herniation
• Transtentorial herniation
  • Central herniation
    • Decreased level of consciousness
  • Uncal herniation
    • CN III palsy
    • Pupillary mydriasis
    • False localizing sign: ipsilateral hemiparesis?
  • Upward
• Transcalvarial
  • Brain is pushed out of a bony defect in the skull, usually during surgery
• Tonsillar
  • Fatal, with compression of the medulla leaving to cardiorespiratory compromise