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Pleomorphic xanthoastrocytoma of the right superior temporal gyrus

The lesion of this 9-year-old girl who has had seizures for more than 3 years is cortically based and has a hyperintense signal on the T2-weighted MR image (left) with a multicystic component that was mistaken for the flow-voids of a cavernous angioma. On the T1-weighted image with gadolinium contrast (right), the lesion is isointense to surrounding brain with some serpentine contrast enhancement. (Contributed by Dr. Scott Mintzer.)

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Associated Disorders

  • Cortical dysplasia
  • Epilepsy
  • Ganglioglioma