Bilateral polymicrogyria

Definition

Bilateral polymicrogyria is a rare cerebral malformation due to abnormal neuronal migration defined as a cerebral cortex with many excessively small convolutions. It presents with developmental delay, intellectual disability, seizures and various neurological impairments and may be isolated or comprise a clinical feature of many genetic syndromes. It may also be associated with perinatal cytomegalovirus infection.

Disease data

Classification

Morphological anomaly

ORPHA code

268940

OMIM code

616531

ICD10 code

Q04.3

ICD11 code

LA05.50

*Soruce