Abstract
Lipomas are common tumors but are less frequent in oral and maxillofacial areas. Lipomas present a slow and asymptomatic growth and have uncertain pathogenesis and discrete male prevalence. A 50-year-old female reported a fast-growing lipoma at the buccal mucosa that developed within 3 weeks. Intraoral examination revealed a unique solid sessile nodule measuring 2 cm in its largest diameter, with normal mucosa color, with a well-defined regular contour located at the left buccal mucosa. A preliminary aspiration puncture was performed with a negative result. Thus, a surgical excisional biopsy was performed under local anesthesia with easy cleavage and pathology excision. The histologic examination presented proliferation of adipocytes arranged in aggregates intercepted by delicate bundles of tissue and involved by a fibrous capsule in the submucosa and the lipoma diagnostic was confirmed. The patient has no evidence of recurrence at 4-year follow-up.
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