title: [Retroperitoneal hemangiopericytoma].
mesh_terms: D000368:Aged; D005260:Female; D006393:Hemangiopericytoma / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000473:pathology
vernacular_title: Hemangiopericitomul retroperitoneal.