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hydrocephalus

Thursday 3 July 2003

hydrocephalia, hydrocephaly

Definition: Abnormal accumulation of cerebrospinal fluid within the ventricular system of the brain. The two common types are communicating hydrocephalus and noncommunicating hydrocephalus, distinguished according to whether there is or is not obstruction to the outflow of cerebrospinal fluid.

Images

- Aqueduct stenosis

Types

- communicating hydrocephalus
- noncommunicating hydrocephalus
- normal-pressure hydrocephalus

Hydrocephalus of childhood

Hydrocephalus of childhood may be associated with:

- intracranial haemorrhage
- infection
- aqueductal stenosis
- Arnold-Chiari malformation and spina bifida
- Dandy-Walker syndrome (DWS)

Subtypes

- fetal hydrocephaly (congenital hydrocephalus)

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