Abstract
ABSTRACT Introduction: Lipomas are benign soft tissue tumors commonly found in the human body. Although common in the head and neck region, in the oral cavity region they are uncommon, accounting for only 1% to 4% of benign oral cavity lesions. Objective: This study aims to identify the clinical and histopathological characteristics of oral cavity lipomas subjected to histopathological analysis at a pathology laboratory in the city of Fortaleza, Ceara, Brazil. Methods: Data from all cases of oral lesions diagnosed as lipoma and confirmed by histopathological examination over a period of 10 years were collected, including: gender, age, anatomical location, clinical diagnosis and histopathological subtypes. Results: During the period evaluated, 101 cases were diagnosed as lipomas, representing 1.01% of oral cavity biopsies. Females were more affected, with a male/female ratio of 1: 1.8, and with a peak of incidence between 50 and 70 years of age. The buccal mucosa was the most affected anatomical region, followed by the lower lip. Classic lipoma and fibrolipoma were the histological variants of lipoma most commonly found in the oral cavity, with 64 cases of classic lipoma and 29 cases of fibrolipoma. Other histological variants were: sialolipoma, angiolipoma, chondrolipoma, myxolipoma and intramuscular lipoma. Conclusion: Lipomas are uncommon lesions in the oral cavity, which present a higher prevalence in the buccal mucosa of adults, aged between 50 and 70 years, and with higher female preference.
Highlights
Lipomas are benign soft tissue tumors commonly found in the human body
This study aims to identify the clinical and histopathological characteristics of oral cavity lipomas subjected to histopathological analysis at a pathology laboratory in the city of Fortaleza, Ceará, Brazil
One hundred and six cases of lipoma were identified during the study, but five cases were excluded because they affected the maxillofacial region, resulting in 101 cases of oral cavity lipoma, representing 1.01% of all biopsy specimens stored in the files of the Oral and Maxillofacial Pathology Service of University of Fortaleza (Unifor)
Summary
Lipomas are benign soft tissue tumors commonly found in the human body. common in the head and neck region, in the oral cavity region they are uncommon, accounting for only 1% to 4% of benign oral cavity lesions. Methods: Data from all cases of oral lesions diagnosed as lipoma and confirmed by histopathological examination over a period of 10 years were collected, including: gender, age, anatomical location, clinical diagnosis and histopathological subtypes. Conclusion: Lipomas are uncommon lesions in the oral cavity, which present a higher prevalence in the buccal mucosa of adults, aged between 50 and 70 years, and with higher female preference. 20% of all cases occur in the head and neck area, the oral cavity is an uncommon site, and only 1% to 4% appears at this location(1, 2). The buccal mucosa is the most affected site, the lipoma can appear in several locations(5, 7, 8). This neoplasm can occur in all ages, despite being uncommon at young ages(5, 9). Some case series have demonstrated a slight female predilection(1, 3, 7)
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