sarcoidosis is a granulomatius disease of unknown etiology involving multiple body systems.approximately 10-35% of patients with systemic disease have cutaneous involvement.skin lesions commonly observed in sarcoidosis include:erythema nodosum,macular or parpular rashes,nodules,hypopigmented or hyperpigmented patches,scarsarcoid,lupus pernio,plaques,and rarely mocusal lesions.this report descri...