Abstract
Oral mucocutaneous diseases (MCDs) are a heterogeneous group of disorders that could involve oral mucous membrane frequently. The purpose of this study was analysis of clinicopathologic features and relative frequency of MCDs with emphasize on malignant transformation of oral lichen planus (OLP). In this retrospective study, clinical data regarding to site of involvement, patient's age and sex, and accompanied symptoms were noted, and pathologic slides of OLP were reviewed for the detection of dysplastic changes. Among 309 patients, OLP and pemphigus vulgaris were the first and second most common MCDs. Buccal mucosa was the most frequent affected site. Female predominance (70.23%) and mean age of 45.3 years were seen. Approximately 12.4% of OLPs showed dysplastic and neoplastic changes. In conclusion, MCD with oral manifestation is most probably to be OLP and pemphigus vulgaris rather than other rare disorders. Malignant transformation may occur in all forms of OLP, and hence, regular, exact follow-up of the patient is necessary for enhancing quality of life.
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