The lesions of lichen planus can occur anywhere on the body but ... the fingernails (producing a fingernail dystrophy) and scalp (producing a scarring alopecia). In the rare and atypical atrophic ...

s description of the condition. Pseudopelade of Brocq is a scalp disorder of middle-aged adults. Unlike lichen planopilaris, patients with pseudopelade of Brocq rarely have symptoms and visible ...