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Spindle Cell Lipoma Occurring in the Buccal Mucosa: An Unusual Location of This Benign Lipomatous Neoplasm
Noala Vicensoto Moreira Milhan1, Ana Sueli Rodrigues Cavalcante1, Yonara Maria Freire Soares Marques1
1Department of Bioscience and Oral Diagnosis, Institute of Science and Technology (ICT), Universidade Estadual Paulista (UNESP), Avenida Engenheiro Francisco José Longo 777, 12245-000 São José dos Campos, SP, Brazil.
Abstract:
Spindle cell lipoma is a benign lipomatous neoplasm, which rarely occurs in the oral cavity. The aims of this paper are to report a case of spindle cell lipoma located in buccal mucosa and discuss the main clinical, histological, and immunohistochemical findings of this entity. Thus, we report a 4-year history of an asymptomatic smooth surface nodule in an elderly Caucasian man with clinical hypothesis of fibroma. The histopathological examination showed spindle cells, mature adipose tissue, and many mast cells in a stroma of connective tissue presenting ropey collagen fibers bundles. After immunohistochemical analysis, the final diagnosis was spindle cell lipoma.
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