Semin Respir Crit Care Med 2010; 31: 442-451DOI: 10.1055/s-0030-1262212ABSTRACTSarcoidosis is a systemic disease with skin manifestations. Skin manifestations are classified as nonspecific if they are not characterized by granulomatous inflammation and specific if the lesions have granulomas histologically. Erythema nodosum is the most common nonspecific skin manifestation, and it portends a good prognosis. Specific skin lesions have a varied clinical appearance, although often they can be distinguished by their yellow translucent character. Despite the potential variable appearance, there are common clinical presentations. Lupus pernio lesions are nodular violaceous specific skin lesions found predominantly on the face associated with scarring and a poor prognosis. Treatment of cutaneous … Source: MedWorm: Sarcoidosis