New and emerging therapies for lichenoid dermatoses

Lichenoid dermatoses comprise a significant proportion of dermatologic cond itions. The pathophysiologic mechanisms are unclear for many such dermatose s making treatment difficult. Ongoing research into these mechanisms is all owing more directed intervention possible. This article describes some of t he recent experiences in the therapy of lichen planus, lichen nitidus, toxi c epidermal necrolysis, and graft versus host disease.