LA05.7 Brain cystic malformations

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A disease caused by expansion of the roof plate of the brain vesicle, or by extraaxial structures such as an arachnoid membrane or migrating ependymal cells. This disease is characterised by the presence of fluid filled cysts in the brain. This disease may present with asymmetry of the skull, brain compression, raised intracranial pressure, hydrocephalus, bleeding or seizures. This disease may also be asymptomatic. Confirmation is through observation of intracerebral cysts by imaging.

exclusions

• Acquired porencephalic cysts  (8E40)
• Dandy-Walker malformation with hydrocephalus  (LA06.0)
• Dandy-Walker malformation without hydrocephalus  (LA06.0)

code elsewhere

• Intracranial arachnoid cyst  (8D67)

synonyms

• Brain cystic malformations
• Congenital cerebral cysts
• congenital brain cyst
• congenital cerebral porosis
• congenital cystic brain degeneration
• Glioependymal or ependymal cysts
• Choroid plexus cysts
• cyst of choroid plexus
• Congenital brain third ventricle colloid cyst
• congenital third ventricle brain cyst

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