title: Sarcoidosis.
abstract: Sarcoidosis is a disease of unknown etiology with protean manifestations. Its history is revealed in its many eponymic syndromes. The histologic features are nonspecific, as are most of the clinical manifestations. The diagnosis is made by exclusion. The immunologic abnormalities are fascinating, with features of both hyperactivity and depression. Therapy is nonspecific and generally symptomatic.
mesh_terms: D001845:Bone Cysts / Q000209:etiology; D002118:Calcium / Q000378:metabolism; D003937:Diagnosis, Differential; D004893:Erythema Nodosum / Q000209:etiology; D005128:Eye Diseases / Q000209:etiology; D006801:Humans; D007109:Immunity; D008199:Lymphadenitis / Q000209:etiology; D012507:Sarcoidosis / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000175:diagnosis*; D013899:Thoracic Neoplasms / Q000209:etiology
chemical_list: D002118:Calcium