结缔织织病(CTD)是多脏器损害为主的自身免疫性疾病,并能累及血液系统而出现相应的改变。此种改变可出现于病程的早、中、晚期,特别是血液学改变出现于早期而结缔组织病表现较隐匿时,临床上极易误诊为血液病。1.贫血:结缔组织病如类风湿性关节炎(RA)系统性红斑狼疮(SLE)、结节性多动脉炎 Connective tissue disease (CTD) is a multi-organ damage-based autoimmune disease, and can affect the blood system and the corresponding changes. Such changes can occur in the early, middle and late course of disease, especially when hematological changes occur in early stage and connective tissue disease is more obscure, it can be easily misdiagnosed as blood disease clinically. 1. Anemia: Connective tissue diseases such as rheumatoid arthritis (RA) systemic lupus erythematosus (SLE), polyarteritis nodosa