This is a tough question to answer, as there are risks associated with either recommending post-operative radiotherapy or not. Hemangiopericytomas are rare intracranial tumors that arise from pericytes, support cells found in the wall of meningeal capillaries. They are part of a larger spectrum of m...

I agree with Dr. @Stea. I would consider systemic treatment with Bevacizumab/temozolomide (Park regimen) with temozolomide 150 mg/m2 orally on days 1-7 and days 15-21 and bevacizumab 5 mg/kg intravenously on days 8 and 22, repeated at 28-day intervals. Park and Araujo, PMID 19444101