lichenoid-dermatoses

Lichenoid keratosis (lichen planus, lichen planus-like keratosis): the older literature sometimes uses the term “solitary lichen planus”, this is confusing as lichenoid keratosis is quite different from lichen planus. Clinical features •Fairly common, erythematous or brown, scaly macule or plaque with a predilection for the chest & upper extremities •Sometimes pruritic •Generally solitary •F>M •Caucasians++ •Wide…