Intracranial Hemangiopericytoma after Radiation Treatment: First Case in the Literature

BACKGROUND:Radiation exposure is a known risk factor for meningioma but there are no data regarding hemangiopericytoma and radiation exposure.CASE DESCRIPTION:We report a 29-year-old pineoblastoma patient diagnosed with a hemangiopericytoma at a different location, after a successful surgical excision and adjuvant radiotherapy for the original tumor 4-year prior.CONCLUSION:Hemangiopericytoma emergence can be seen after radiotherapy.