CHORUS

Collaborative Hypertext of Radiology

Nervous system

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hydrocephalus

• congenital, unknown

• acquired
  • obstructive (intraventricular)
    • hemorrhage
    • infection
    • familial aqueductal stenosis (X-linked)
    • tumor compression
    • Dandy-Walker malformation
    • Chiari II or III malformation

  • non-obstructive (extraventricular, "communicating")
    • posthemorrhagic or postinfective fibrosis in cisterns or arachnoid granulations

  • functional
    • normal-pressure hydrocephalus

Related CHORUS documents: Arnold-Chiari malformation normal pressure hydrocephalus Dandy-Walker syndrome infantile hydrocephalus encephalocele agenesis of corpus callosum