Catalog
Granuloma annulare
Link to WHO Definition
Granuloma annulare – http://id.who.int/icd/entity/1925637202
A common inflammatory disorder in which granulomatous inflammation surrounds foci of degenerate dermal collagen. It presents clinically as dermal papules and annular plaques. It may be localised, especially over bony prominences, or generalised. The cause is unknown.