干燥综合征(简称 SS)是一种以侵犯外分泌腺为主的慢性系统性自身免疫性疾病,国外报告发病率在各结缔组织病中仅次于类风湿性关节炎而占第二位。其临床表现为一慢,二多变,三无简便特异诊断,因此 Sjogren’s syndrome (SS) is a chronic systemic autoimmune disease that mainly affects exocrine glands. The incidence of foreign reports is second only to rheumatoid arthritis in various connective tissue diseases. The clinical manifestations of a slow, two variable, three no simple and specific diagnosis, therefore