Plantar Lichen Planus: An Atypical Presentation at a Young Age.

Lichen planus is a chronic lichenoid dermatosis commonly encountered by dermatologists worldwide, affecting skin, mucosa, and scalp. The current case describes a rare variant of lichen planus, plantar lichen planus, in a 17-year-old male who presented with erythematous scaly plaques on the sole for two years associated with walking discomfort. The lesion was subjected to skin biopsy and a diagnosis of lichen planus was made considering the histopathological and clinical findings. Plantar lichen planus can often be misdiagnosed. Treating plantar lichen planus can be a therapeutic challenge and, thus, more insight is needed regarding treatment protocol or outcome of such cases.