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Dysembryoplastic neuroepithelial tumor (histologic appearance)

This section from a dysembryoplastic neuroepithelial tumor contains clusters of small, round cells with scant cytoplasm resembling oligodendrogliocytes. A few cytologically unremarkable neurons at various stages of differentiation are intermixed. The tumor was an incidental finding in an elderly man. (Hematoxylin and eosin, x 40) (Contributed by Dr. Scott Mintzer.)

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Associated Disorders

  • Cortical dysplasia
  • Epilepsy
  • NF1
  • Noonan syndrome