名称的由来不少疾病可以相互重叠,如类风湿性关节炎、红斑性狼疮、皮肌炎、硬皮病等均可相互重叠.早先见到的是以结缔组织病(原称胶原病)为主,故最初的所谓重叠综合征(overlap Syndrome)是指二种或二种以上胶原病之间的重叠,又称为重叠胶原病.后来发现,Sjogren氏综合征(或简称干燥综合征) The origin of the name Many diseases can overlap each other, such as rheumatoid arthritis, lupus, dermatomyositis, scleroderma, etc. may overlap each other earlier seen with connective tissue disease (formerly known as collagen disease) as Lord, so the first so-called overlap syndrome (overlap Syndrome) refers to the overlap between two or more collagen diseases, also known as overlapping collagen disease was later found, Sjogren’s syndrome (or simply referred to as Sjogren’s syndrome)