Abstract
Introduction: Most hemangiopericytomas (HPC) are located in the musculoskeletal system and the skin, while the location in the central nervous system (CNS) is rare. Objective and Methods: We describe a patient suffering from a spinal extradural huge HPC, with marked spinal cord compression, extending from C6 to T3 level, who was elected to surgery. Results: Patient was submitted to surgery, via a posterior approach, indentifying a huge red-brown firm mass, highly vascular, that was softly dissected from surrounding tissues. Total gross removal was accomplished, with “in-block” resection, preserving neurological function, as shown by somatosensitive evoked potential. Histopathological examination and immunohistochemistry essay were performed confirming the diagnosis of Hemangiopericytoma. Conclusion: Spinal HPCs respond to approximately 8% of all HPC, tend to occur isolated and attached to spinal duramater, and usually present a good surgical cleavage between the tumor and the dura.
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