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J Korean Assoc Oral Maxillofac Surg. 2000 Jun;26(3):301-304. Korean. Original Article.
Sung DK , Jeong JC , Kim HS , Choi JU , Lee GH , Ryu GS .
Department of Oral & Maxillofacial Surgery, Gachon Medical College, Gil Medical Center.
Department of Pathology, Gachon Medical College, Gil Medical Center.

Hemangiopericytoma is uncommon vascular neoplasm that arises from pericytes arround the capillary walls. It was first described as a distinct vascular neoplasm by Stout and Murray in 1942 The anatomic distribution is widespread throughout the body, with approximately one third occur in the head and neck. No sex predilection has been found. Although middle age appears to be the most prevalent time of onset, this neoplasm has been found in all age groups. The differentiation between benign and malignant hemangiopericytoma can be difficult. Although the majority of these tumors are benign, there are malignant variants that can metastasize. Metastasis of seemingly benign tumors may appear year of decade later, so long term close follow-up is needed The treatment of choice is complete surgical excision of the tumor. Despite their vascular origin, these tumors are relatively radioresistant. Radiation therapy is reserved for inoperable metastases or treatment of postoperative surgical fields. Here we present a case of hemangiopericytoma occuring on the Lt. buccal mucosa.

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