Which parts of the body are affected in lichen planus?
Skin (flexor surfaces)
Nails
Oral mucosa
Scalp
What is the appearance of lichen planus?
Purple, polygonal papules, coalesce to form plaques
White lines across the surface
What nail changes are seen in lichen planus?
Thinning and ridging
What is the management of lichen planus?
Potent topical corticosteroids