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Polymicrogyria, cut surface

The heaped-up, concealed, small gyri giving the impression of thick cortex; pachygyria-like. (Contributed by Dr. Hannes Vogel.)

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Associated Disorders

  • Aicardi syndrome
  • Chiari I malformation
  • Cortical dysplasia
  • Foix-Chavany-Marie syndrome
  • Glioneuronal leptomeningeal heterotopia
  • Glutaric academia type II
  • Histidinemia
  • Leigh syndrome
  • Lissencephaly, types I and II
  • Maple syrup urine disease
  • Mitochondrial respiratory chain deficiency
  • Neonatal adrenoleukodystrophy
  • Nodular heterotopia
  • Pachygyria
  • Pelizaeus-Merzbacher disease
  • Porencephaly
  • Schizencephaly
  • Spinal muscular atrophy in BICD2 mutation
  • Thanatophoric dysplasia
  • Twin to twin transfusion syndrome
  • Walker-Warburg syndrome
  • Zellweger syndrome