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Marginal glioneuronal heterotopia in focal cortical dysplasia (photomicrograph)

Marginal glioneuronal heterotopia consisting of an excrescence of glioneuronal tissue (top) extending above the underlying pial surface of the cerebral cortex (bottom), and protruding into the subarachnoid space. (Hematoxylin-eosin) (Contributed by Dr. Paul Mischel.)

Associated Disorders

  • Cerebral dysgenesis
  • Cortical dysplastic lesion
  • Dysembryoplastic neuroepithelial tumor
  • Dysplastic cortex
  • Epilepsy
  • Focal neuroblast migratory disorder
  • Ganglioglioma
  • Hemimegalencephaly
  • Microdysgenesis
  • Neuroglial hamartias