干燥综合征(SS),是一好发于中年以上女性,以淋巴细胞浸润为主,侵犯泪腺和大唾液腺等外分泌腺,导致这些腺体结构破坏和分泌功能缺陷的自身免疫病,也可致腺体外多器官损害.临眯上分为原发性SS 和继发性SS,继发性SS 常合并一种或几种自身免疫病,如类风湿性关节炎(RA)、硬皮病(SD)、多发性肌炎 Sjogren’s syndrome (SS) is an autoimmune disease that occurs predominantly in middle-aged and above women, mainly infiltrating lymphocytes, infringing exocrine glands such as the lacrimal gland and the salivary gland, leading to structural damage and secretion dysfunction of these glands. Caused by multiple organ damage outside the gland.Limited into the primary SS and secondary SS, secondary SS often combined with one or several autoimmune diseases, such as rheumatoid arthritis (RA), crusty Disease (SD), polymyositis