Abstract
Lichen planus (LP) is a chronic inflammatory mucocutaneous condition which is relatively common in adults but rarely affects children. In addition, few cases with oral lesions affecting children have been reported in the literature. The purpose of this study is to report an unusual case of oral LP involving the tongue and buccal mucosa in a child. A 12-year-old girl complained of painless oral lesions with 18 months of evolution. On clinical evaluation, multiple white lesions in tongue and buccal mucosa were observed with no cutaneous lesions. Diagnosis was made based on clinical examination and histopathological features. No active treatment was necessary. The patient is currently under regular evaluation. Although rarely reported in childhood, lichen planus should be considered in a differential diagnosis of hyperkeratotic and/or reticular lesions of the oral mucosa in children.
Highlights
Lichen planus (LP) is a relatively common chronic inflammatory mucocutaneous condition, which was first described by Eramus Wilson in 1869
The purpose of this study is to report an unusual case of oral LP involving the tongue and buccal mucosa in a child
The global prevalence of LP is lower than 1% in overall population and the frequency in children can vary between 0.56% to 13% of the general lichen planus cases
Summary
Lichen planus (LP) is a relatively common chronic inflammatory mucocutaneous condition, which was first described by Eramus Wilson in 1869. The oral lesions are more pleomorphic than those of their cutaneous counterparts and subtypes are categorized as reticular, papular, plaque-like, atrophic, erosive, and bullous These different clinical presentations represent variations of intensity and duration of the disease. Oral lichen planus in childhood (OLPc) is rare, with few reports available in the literature [2,3,4,5]. Predisposing conditions such as graft-versus-host disease, active heaptitis, hepatitis B immunization and autoimmune diseases are frequently mentioned in these reports [3,4,6,7]. This paper reports a rare case of oral lichen planus in a child and discusses the main points on the subject
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