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Parapharyngeal space hemangiopericytoma treated with surgery and postoperative radiation- a case report

By Muhammad Mohsin Fareed, Abdullah Suleiman Mazaed Al Amro, Rashad Akasha, Mansour Al Assiry, Mushabbab Al Asiri, Mutahir Tonio and Yasser Bayoumi


Hemangiopericytoma (HPC) is a rare tumor of uncertain malignant potential arising from mesenchymal cells with pericytic differentiation. It accounts for 3-5% of soft tissue sarcomas and 1% of vascular tumors. It usually presents in 5th to 6th decade of life. Most common sites are limbs, pelvis and head and neck. About 20% of all hemangiopericytomas are seen in head and neck, mostly in adults. Usually it presents in orbit, nasal cavity, oral cavity, jaw, parotid gland, parapharyngeal space, masticator space and jugular foramen. Long term follow up is important because of imprecise nature of the histological criteria for prediction of biologic behavior

Topics: Case Report
Publisher: BioMed Central
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Provided by: PubMed Central

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