Lichenoid Eruptions

**Definition:** Conditions in which there is histological damage to the lower epidermis along with a grouped chronic inflammatory infiltrate in the papillary dermis disturbing the interface between the epidermis and dermis. LICHEN PLANUS is the prototype of all lichenoid eruptions. (From Rook et al., Textbook of Dermatology, 4th ed, p398)

**Tree numbers:** - C17.800.859.475

**Synonyms:** - Licheniform Eruptions