Brain herniation is a potentially deadly side effect of very high pressure within the skull, that occurs when a part of the brain is squeezed across structures within the skull.

• Supratentorial herniation, including:
  • Uncal herniation (aka transtentorial hernia)
  • Central herniation
  • Cingulate herniation (aka subfalcine hernia)
  • Transcalvarial herniation
  • Tectal herniation (posterior hernia)
• Infratentorial herniation, including:
  • Upward herniation
  • Tonsillar herniation