_:vb50940738 . _:vb50940738 "A leukodystorphy characterized by infantile-onset macrocephaly, often with mild neurologic signs at presentation (such as mild motor delay), which worse with time, leading to poor ambulation, falls, ataxia, spasticity, increasing seizures and cognitive decline."^^ . _:vb50940738 . _:vb50940738 "url:https://ghr.nlm.nih.gov/condition/megalencephalic-leukoencephalopathy-with-subcortical-cysts"^^ . _:vb50940738 . _:vb50940738 . _:vb50940738 .