Abstract
Background The objective of this study was to describe the upper and lower lip lesion occurrence in an oral diagnostic service. Material and Methods Retrospective descriptive sectional study was performed. Clinical records were obtained from the archives of an Oral Diagnostic Service referral center between 2006 and 2016. Data such as gender, age, anatomical location, and diagnosis were collected and categorized. The collected data were submitted to a descriptive analysis and Pearson's chi-square test (p ≤ 0.05). Results A total of 587 patient records of lip lesions were analyzed. Most lesions were diagnosed in female (52.1%) and adults (56.9%) patients in the lower lip (76.2%). Among all lip lesions, the reactive/inflammatory lesions (n = 238; 40.5%) and oral potentially malignant disorders (n = 164; 28%) were the most frequent group lesions. Mucocele (n = 147; 25%), actinic cheilitis (n = 136; 23.1%) and vascular lesions (n = 51; 8.7%) were the most frequent lesion in the sample. Actinic cheilitis was significant in relation to gender (p < 0.001), all three most frequent lesions were significant in concerning to age group and anatomical site. Conclusions Mucocele was the most common lower lip lesion in all age groups, followed by actinic cheilitis and vascular lesions, which mainly affected adults and the elderly. Key words:Lip, lip lesions, oral diseases, epidemiology.
Highlights
Lips may be the site of clinical and pathological changes related to a wide spectrum of etiologies, ranging from traumatic, inflammatory and infectious lesions to malignant neoplasms [1,2,3,4]
It is necessary to obtain information about lip lesion distribution in relation to patient gender, age, anatomical location and risk factors, in order to determine the actual occurrence of such conditions
Broader studies taking into account lip lesion heterogeneity and including patients from all age groups are important to understand the actual occurrence of these lesions
Summary
Lips may be the site of clinical and pathological changes related to a wide spectrum of etiologies, ranging from traumatic, inflammatory and infectious lesions to malignant neoplasms [1,2,3,4] This anatomical site can host up to 25.7% of oral lesions, as well as a quarter of oral cancers, representing an important numerical data regarding diseases that affect oral tissues. Few studies on their prevalence in this anatomical site are available and, when performed, the emphasis is given to certain age groups and histopathological lesion diagnoses In this respect, lesions that allow for diagnosis according to their clinical aspects and do not require biopsies are excluded. Clinical records were obtained from the archives of an Oral Diagnostic Service referral center between 2006 and 2016 Data such as gender, age, anatomical location, and diagnosis were collected and categorized. Conclusions: Mucocele was the most common lower lip lesion in all age groups, followed by actinic cheilitis and vascular lesions, which mainly affected adults and the elderly
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