Cerebral Herniation Complication of Intracranial Hypertension Tonsillar herniation Cerebellar tonsils herniate into the foramen magnum. Causes "coning" of the cerebellar tonsils Produces cardiorespiratory arrest Coma and Death 6
It can occur as an complication of Lumber Puncture
Complications of Tonsillar Herniation & Increased ICP Hemorrhagic lesion of the mid Brain and Pons : Secondary Brain stem or Duret hemorrhage Linear hemorrhage
Duret hemorrhage: pathogenesis Kinking of the penetrating median and paramedian pontine arteries that branch off the basilar artery.
Spongiform encephalopathy of gray matter : brain lesion in CJD
Complications: sequel 1.Edema can lead to herniation and death. 2.Communicating hydrocephalous.
Meningeal Syphilis 1 of 2 Neurosyphilis is a tertiary stage of syphilis – only in 10% with untreated syphilis May involve spinal Meninges: produce thickening. Produce meningeal fibrosis and secondary Hydrocephalous.