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. [ Orphanet:268940 ]
Term information
- SCTID:765757003 (MONDO:equivalentTo)
- GARD:17269 (Orphanet:268940)
- Orphanet:268940 (MONDO:equivalentTo)
gard_rare, rare, ordo_morphological_anomaly, nord_rare, orphanet_rare