megalencephaly
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).
MONDO:0005560
brain disorder
is_a
MONDO:0021147
disorder of development or morphogenesis
is_a
macroencephaly
exact
megalencephaly
exact
megalencephaly (disease)
exact