Abstract Objective Hemangiopericytoma is a rare and aggressive meningeal tumor. Although surgical resection is the standard treatment. hemangiopericytomas often recur with high incidences of metastasis. The purpose of this study was to evaluate the role of CyberKnife stereotactic radiosurgery (CK) in the management of recurrent. https://fitnessgravesyardes.shop/product-category/ball-bearing/