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Hemangiopericytoma of the buccal region: A case report

2001; Elsevier BV; Volume: 59; Issue: 4 Linguagem: Inglês

10.1053/joms.2001.21886

1531-5053

Steven M. Florence, Craig C. Willard, Charles W. Palian,

Oral and Maxillofacial Pathology

Hemangiopericytoma is an uncommon mesenchymal tumor that represents 1% of all vascular neoplasms. 1 Batsakis JG Jacobs JB Templeton AC Hemangiopericytoma of the nasal cavity: Electron-optic study and clinical correlations. J Laryngol Otol. 1983; 97: 361 Crossref PubMed Scopus (49) Google Scholar In a study by Enzinger and Smith, 2 Enzinger FM Smith BH Hemangiopericytoma: An analysis of 106 cases. Human Pathol. 1976; 7: 61 Abstract Full Text PDF PubMed Scopus (755) Google Scholar 16% of these tumors occurred in the head and neck area, with the nasal cavity and paranasal sinuses as the most common sites of involvement. 3 Daniels RL Haller JR Harnsberger HR Hemangiopericytoma of the masticator space. Ann Otol Rhinol Laryngol. 1996; 105: 162 PubMed Google Scholar Hemangiopericytomas may be benign, malignant, or may occur in an intermediate form characterized by unpredictable biologic behavior. In some cases, the malignant nature of an individual hemangiopericytoma is established only when the tumor recurs or metastasizes. We report an unusual case of a hemangiopericytoma that arose in the buccal mucosal region.