Lichenoid disorders

Lichen is found growing on trees etc, and is a symbiosis fungus/alga characterised by flat topped organisms. Lichenoid disorders got their name from their appearance – also flat topped and often somewhat scaly. They are characterised by a particular type of inflammation.

Lichenoid disorders include:

Lichen amyloidosis
Lichen myxoedematosus
Lichenoid drug eruption
Lichenoid keratosis
Lichen nitidus
Lichen planus
Lichen sclerosus
Lichen simplex
Lichen spinulosus
Lichen striatus
Oral lichen planus
Pityriasis lichenoides
Erosive lichen planus
Lichen scrofulosorum
Lichenoid amalgam reaction
Oral lichenoid drug eruption