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  • Title: Epithelioid hemangioma in the oral mucosa: a clinicopathological study of seven cases and review of the literature.
    Author: Sun ZJ, Zhang L, Zhang WF, Alsharif MJ, Chen XM, Zhao YF.
    Journal: Oral Oncol; 2006 May; 42(5):441-7. PubMed ID: 16266821.
    Abstract:
    To investigate the clinicopathological characteristics and biologic behavior of epithelioid hemangioma in oral mucosa, the clinical features and pathological findings of seven cases of epithelioid hemangioma were reviewed, and all sections were examined by immunohistochemistry. There were 4 males and 3 females ranged from 8 to 65 years (mean 39.7 years). Sites of origin included the tongue (n = 4), lips (n = 2), and palates (n = 1). Five lesions presented as a solitary mass. Three patients had history of minimal trauma. Histopathologically, well-formed but often immature vessels lined by plump epitholid endothelial cells with prominent inflammatory components were observed. Immunohistochemical staining revealed that tumour cells were positive for Vimentin, FVIIIRAg and CD34. All the cases were negative to S-100 protein and EMA. One case recurred after surgical excision, while none of them metastasized. Epithelioid hemangioma is a benign vascular anomaly, and has close relationship with local trauma. The differential diagnosis is usually based upon histopathological findings.
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