Primary CNS hemangiopericytoma presenting as an intraparenchymal mass--case report and review of literature.

Hemangiopericytomas (HPC) are rare, aggressive tumours that mostly involve the musculoskeletal system. They account for less than 1% of intracranial tumours. Intracranially, they are predominantly meningeal based and are thought to arise from the spindle cells (pericytes) in the vicinity of the blood vessels. We present a case of a 69-year-old male with a hemangiopericytoma in the left perisylvian region which was subcortically located. This is an uncommon location. We discuss the case and review the literature.