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Partial callosal dysgenesis, interhemispheric glioependymal cysts, and cortical dysplasia (macroscopic findings)

Shown are macroscopic findings at autopsy of a neonate with the syndrome of partial callosal dysgenesis, interhemispheric glioependymal cysts, and cortical dysplasia. (A) shows the medial part of the left hemisphere with the cyst impressing the parietal and occipital walls from outside. (B) shows the outer part of the right hemisphere with abnormal gyral patterning and a short malformed Sylvian fissure. (Contributed by Dr. Peter Barth.)

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Associated Disorders

  • Aicardi syndrome
  • Callosal dysgenesis
  • Neuronal heterotopia
  • Orofaciodigital syndromes, especially types I and II
  • Polymicrogyria
  • Trisomy-18