Hemangiopericytoma (HPC) is a mesenchymal tumour that may be benign, malignant, or occur in an intermediate form. We report an unusual case of hemangiopericytoma located in the buccal mucosal region. The histopathologic features showed increased cellularity, necrosis, hemorrhage, low proliferation index, and 4 or less mitotic figures per 10 high-power fields. Since this histological pattern suggests an intermediate form characterized by unpredictable clinical behavior, life-long follow-up is essential. In this patient no recurrences or distant metastases were evident at 10-yr follow-up.
MARESI E, TORTORICI S, CAMPIONE M, BUZZANCA ML, BURRUANO F, MASTRANGELO F AND TETE' S (2007). Hemangiopericytoma of the Oral Cavity After a Ten-Year Follow-up. ANNALS OF CLINICAL AND LABORATORY SCIENCE, 37(3), 274-279.
Hemangiopericytoma of the Oral Cavity After a Ten-Year Follow-up
MARESI, Emiliano;TORTORICI, Silvia;CAMPIONE, Maria;BUZZANCA, Maria Lidia;BURRUANO, Francesco;
2007-01-01
Abstract
Hemangiopericytoma (HPC) is a mesenchymal tumour that may be benign, malignant, or occur in an intermediate form. We report an unusual case of hemangiopericytoma located in the buccal mucosal region. The histopathologic features showed increased cellularity, necrosis, hemorrhage, low proliferation index, and 4 or less mitotic figures per 10 high-power fields. Since this histological pattern suggests an intermediate form characterized by unpredictable clinical behavior, life-long follow-up is essential. In this patient no recurrences or distant metastases were evident at 10-yr follow-up.
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