Hemangiopericytoma (HPC) is an extremely rare hypervascular tumor Ashtrays of mesenchymal lineage.It tends to recur and to develop distant metastases even many years after primary surgical resection.The management of recurrent and metastatic disease is not always so well defined.A complete surgical resection does not eliminate the high risk of local recurrences that occur Waist Bag in the central nervous system, often in the same surgical bed.
However, treatment with adjuvant radiotherapy even in cases of complete resection remains controversial.