Líquen plano oral associado a fatores psicogênicos: relato de caso

Abstract

Lichen planus and lichen sclerosus are inflammatory and chronic diseases that affect mucous and cutaneous tissue regions. Lichen sclerosus is restricted to the skin region while lichen planus can reach the mucosa beyond the skin; in the latter, when manifested in the oral mucosa it can be classified as erosive, reticular, atrophic, plaque-like, bullous and finally lichen planus. papular. The reticular lichen planus is listed within the white lesions that affect the oral cavity. Upon clinical examination of the mouth, it is possible to observe in this category of lichen, white streaks known as "Wickham striae", with predilections for regions such as the jugal mucosa, lips, tongue, gum and may be present bilaterally. The lesion has an uncertain etiology, however there is a relationship with the autoimmune nature, being linked psychogenic factors influencing the course of the lesion. This paper presents a clinical case of a patient with an undiagnosed leukoplastic lesion who was referred to the stomatology clinic. This male patient, leucoderma, brought as main complaint, the presence of white spot on the tongue with a course of one year, without healing.