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Hypothalamic hamartoma (MRIs)

Coronal SPGR (A) and T2-weighted image (B) through the brain demonstrate a nodular area of abnormal gray matter in the left hypothalamic region (arrows) extending into the third ventricle in a young boy with focal seizures with laughing. (Contributed by Dr. Diana Gomez-Hassan.)

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Associated Disorders

  • Pallister-Hall syndrome