Conditions / Genetic

mega-corpus-callosum syndrome with cerebellar hypoplasia and cortical malformations

info ยท Genetic

A syndromic intellectual disability characterized by global developmental delay, impaired intellectual development, and characteristic brain abnormalities that has_material_basis_in heterozygous mutation in the MAST1 gene on chromosome 19p13.13.

Signs and symptoms

  • Thick corpus callosum
  • Ventriculomegaly
  • Intellectual disability
  • Absent speech
  • Cerebellar hypoplasia
  • Hypoplasia of the brainstem
  • Generalized hypotonia
  • Simplified gyral pattern
  • Cerebellar vermis hypoplasia
  • Inability to walk

Also known as: MCCCHCM