• Ali Shirzadi, Doniel Drazin, Marcus Gates, Neda Shirzadi, Serguei Bannykh, Sergei Banykh, Xuemo Fan, Leonel Hunt, Eli M Baron, Wesley A King, Terrence T Kim, J P Johnson, and J Patrick Johnson.
• Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
• Eur Spine J. 2013 May 1;22 Suppl 3:S450-9.

PurposeHemangiopericytoma (HPC) is a rare tumor of the central nervous system. Primary spinal occurrence of this tumor is extremely uncommon and cases involving the intramedullary spinal cord are even more rare. The purpose of this study was to explore the clinical features, surgical strategies, outcome and pathology in a consecutive series of patients treated at a single institution.MethodsThe authors performed a retrospective review of the clinicopathological characteristics of four patients with a pathological diagnosis of spinal HPC.ResultsFour cases with intradural as well as intra/extra-medullary components were identified. Gross total resection with no recurrence at the operative site was achieved in the majority of patients with a spinal HPC. One patient had significant recurrence and eventually, succumbed to the disease.ConclusionIncreased awareness of these tumors' capability to occur intradurally and intramedullarly can help surgeons accurately diagnose and choose an effective plan of care. Gross total resection of hemangiopericytomas is the mainstay of treatment and should be pursued if feasible. Histopathology is essential to the diagnosis.

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