Catalog
Plaque psoriasis
Link to WHO Definition
Plaque psoriasis – http://id.who.int/icd/entity/1088800108
The commonest form of psoriasis, which manifests as well-defined red, scaly plaques on the skin. Typical sites of initial involvement are the scalp, the extensor surfaces of the elbows and knees, the lower back and the shins. In severe disease a majority of the skin surface may be involved.