Abstract
A sessile round swelling, 1cm in diameter, occurred in the right mandibular vestibule close to tooth 46 root of a 35–year old Caucasian female, growing slowly during the last 3 months. Histology of the excised unencapsulated but well circumscribed mass showed a benign neoplasm made up of spindle cells either aligned in bundles parallel to the tumour surface or occupying a central area in which cells were more polyhedric among vascular spaces. This zonation pattern and the fact that cells were immunoreactive to smooth muscle actin and negative to desmin led to the diagnosis of solitary myofibroma. The rarity of this neoplasm made this case worthy of presentation.
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More From: Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial
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