megalencephaly
MONDO:0016608Mondo
Findings
No curated finding names megalencephaly yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A congenital abnormality in which the occipitofrontal circumference is greater than two standard deviations above the mean for a given age. It is associated with hydrocephalus; subdural effusion; arachnoid cysts; or is part of a genetic condition (e.g., alexander disease; sotos syndrome).
Definition from the Mondo Disease Ontology (MONDO:0016608), read 2026-09-29. CC BY 4.0.
Where it sits
Other names
2 names
Resolves to: megalencephaly
- Also called
- macroencephalymegalencephaly (disease)