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skos:definition |
MSH: 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).,NCI: An abnormally large head. Causes include hydrocephalus, enlarged brain, and cranial hyperostosis.
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