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  • Title: Myopericytoma of the oral cavity.
    Author: Datta V, Rawal YB, Mincer HH, Anderson MK.
    Journal: Head Neck; 2007 Jun; 29(6):605-8. PubMed ID: 17252599.
    Abstract:
    BACKGROUND: Myopericytoma is a rare mesenchymal neoplasm of pericytic cells demonstrating myoid differentiation. The lesion typically arises within the subcutaneous tissue of the extremities. We report a case that, to the best of our knowledge, is the first case of myopericytoma involving the soft tissue of the oral cavity. METHODS: A 36-year-old woman had a 5-mm sessile, whitish-pink, firm tongue nodule. The patient underwent excisional biopsy, and histopathologic examination as well as immunohistochemical analysis were performed. RESULTS: The differential diagnosis by histologic analysis included solitary fibrous tumor, myofibroma, glomus tumor, and myopericytoma. The results of immunohistochemical analysis, when combined with the histologic features, led to a diagnosis of myopericytoma. CONCLUSIONS: Applying strict morphologic criteria and appropriately selective immunohistochemical markers will help to distinguish myopericytoma in the oral cavity.
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