20Developmental anomalies
Structural developmental anomalies primarily affecting one body system
Structural developmental anomalies of the nervous system
LA05Cerebral structural developmental anomalies
LA05.6Encephaloclastic disorders
LA05.60
category
Porencephaly
Definition Porencephaly is characterised by a circumscribed intracerebral cavity of variable size that may be bordered by abnormal polymicrogyric grey matter. In extreme cases, this cavity may result in a communication between the pial surface and the ventricle; this is termed schizencephaly.
Also indexed as
Familial porencephaly Porencephaly
Nearby in Encephaloclastic disorders
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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