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Laughing seizures due to a midline intraventricular neoplasm in tuberous sclerosis.
  1. S Gunatilake,
  2. D G De Silva
  1. General Hospital, Galle, Sri Lanka.


    Laughing seizures have been described in association with hypothalamic hamartomas and precocious puberty. Laughing seizures due to a neoplasm arising from the floor of the left lateral ventricle extending down towards the hypothalamus in a child with tuberous sclerosis is reported. This combination has not been reported before and emphasises the importance of imaging to diagnose such midline lesions in children with paroxysmal laughing.

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