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  • Title: Malignant myoepithelioma of the salivary glands: clinicopathological and immunohistochemical features.
    Author: Dean A, Sierra R, Alamillos FJ, Lopez-Beltran A, Morillo A, Arévalo R, Rodas J, Ruiz-Masera JJ, García-Lopez A.
    Journal: Br J Oral Maxillofac Surg; 1999 Feb; 37(1):64-6. PubMed ID: 10203226.
    Abstract:
    Malignant myoepitheliomas (myoepithelial carcinomas) are uncommon, and we know of only 29 reported cases. We present a new case together with its clinical, histological, and immunohistochemical features. The tumour was located in the inferior vestibular sulcus of a 64-year-old woman. She was treated by wide local resection. Malignant myoepitheliomas are distinguished from benign myoepithelial neoplasms by their infiltrating and destructive growth. The tumour cells may be spindle-shaped or more rounded (plasmacytoid cells) and contain cellular pleomorphism and mitotic activity. The clinical and biological behaviour of this tumour is not yet known and there is little information about treatment and prognosis.
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