科研之友
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摘要
sarcoidosis is a noninfectious granulomatous disease of unknown etiology, in which genetic, immunological, environmental and infectious factors seem to participate in the pathogenesis. any organ or system can be affected with a wide range of clinical manifestations. as involvement of the skin occurs in approximately 20 to 35% of the cases, the dermatologist may play an important role in the diagnosis of the disease. epidemiology, immunology and treatment are also discussed to provide a better understanding of this entity.
