How is the clinical expression of sarcoidosis?

Very heterogenous. 50% asymptomatic with incidental bilateral hilar adenopathy, symptoms vary according to organ involved spontaneous remission in 25-50% of cases. Usually associated with erythema nodosum, polyarthritis, fever (Lofgren syndrome) --> excellent prognosis with high rate of spontaneous remission When it affects black race, has bone involvement, ass with lupus pernio (nasolabial cutaneous lesion), hypercalcemia and chronic pulmonary sarcoidosis it is bad prognosis. MR at 5 years =7% / 4%