Spinal Hemangiopericytoma: A Rare Occurrence


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Abstract

Introduction:Most hemangiopericytomas (HPC) are located in the musculoskeletal system and the skin, but rarely in the central nervous system.Objective and Methods:We report on a patient with a spinal extradural huge HPC, with marked spinal cord compression, extending from the C6 to the T3 level, who was elected for surgery.Results:The patient underwent surgery, through a posterior approach, which led to the identification of a huge red-brown firm mass, highly vascular, that was softly dissected from the surrounding tissues. Total gross removal was accomplished, with an “in-block” resection, preserving neurological function, as shown by the somatosensitive evoked potential. Histopathological examination and an immunohistochemistry assay were performed confirming the diagnosis of HPC.Conclusions:Spinal HPCs respond to approximately 8% of all HPC, tend to occur isolated and attached to the spinal dura-mater, and usually present a good surgical cleavage between the tumor and the dura.

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