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||Secondary supratentorial primitive neuroectodermal tumor following treatment of childhood osteosarcoma.
||Fitzhugh CD, Wise B, Baird K, Tsokos M, Helman L, Mackall C, Savage SA, Warren KE
||Pediatr Blood Cancer
||A 16-year-old Caucasian male was diagnosed with a primitive neuroectodermal tumor (PNET) 5 years following the diagnosis of nonmetastatic osteosarcoma of the left proximal humerus. The patient was initially treated with standard chemotherapy and limb salvage resection for osteosarcoma. Nine months after the completion of therapy, he developed lung metastases for which he underwent surgical resection and received additional chemotherapy. Almost 5 years after the osteosarcoma diagnosis, the patient was diagnosed with a supratentorial PNET, which represents the first known case reported in a patient with osteosarcoma.