Intracranial atypical teratoid/rhabdoid tumors (AT/RT) are rare with a poor prognosis. We report one case of a 7-year old girl living over 17 months after the diagnosis of AT/RT in the left frontal lobe. Treatment was partial surgical resection and post-operative radiation therapy. Radiation therapy resulted in complete response with no evidence of residual or recurrent disease more than 17 months after diagnosis. The patient has been maintained on an extensive regimen of alternative therapies since completion of radiation therapy.
Adult medulloblastoma is a rare intracranial tumor. Our patient is a 61 year old woman treated with cranial irradiation 15 years previously for a low grade astrocytoma in the left posterior temporal lobe that was recently diagnosed with medulloblastoma in the right cerebellum. This is the first reported case of radiation induced adult medulloblastoma.
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