Abstract
Erosive lichen planus is a morbid variant of oral lichen planus. Chronic oral mucosal ulcerations accompanied by intense and disabling pain are some of its most characteristic manifestations. Here we present a case of a 52-year-old woman, nonsmoker, nondrinker, with history of hepatitis C treated 1 year ago. On extrabuccal examination, no changes were noted. Intra-oral examination revealed ulcers and erosions in the bilateral buccal mucosa, lip mucosa, lower lip vermilion, and gingiva, surrounded by white striae, all accompanied by intense pain. Biopsy was performed confirming the diagnosis of erosive lichen planus. As initial treatment, 0.5% dexamethasone mouthwash was prescribed, but there was no response. Therefore, systemic prednisone was administered orally in decreasing doses for 15 days. The lesions regressed to the aspect of normality of the mucosa, and the patient is under clinical follow-up without symptomatology for 2 years.
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