Abstract
Psoriasis is a chronic dermatologic autoimmune disorder affecting both sexes with predominance in the third decade, presenting in different forms such as reverse, pustular, and vulgar psoriasis. The occurrence of oral lesions is uncommon and is the subject of controversy. Some oral lesions are seen in pustular psoriasis, manifesting as a geographic tongue and geographic stomatitis, and it is proposed that the diagnosis of oral psoriasis should be made when the clinical course of these lesions runs parallel to that of the skin, supported by histologic examination. The purpose of this report is to present a case of oral manifestation of psoriasis in a 77-year-old black man with a positive medical history for psoriasis and extensive whitish plaque-like lesions on the upper and lower limbs. The intraoral examination revealed diffuse ulcerated lesions in the oral mucosa and the presence of a geographic tongue. The patient was referred to the dermatology service and is being followed up to control the oral lesions. SUPPORT: FAPEMIG
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