在临床上2种或2种以上的自身免疫性疾病(AID)合并存在并不罕见~([1])。银屑病合并其他AID的病例国内外报道极少。银屑病在人群中发病率并不低(2%~3%),其中5%~30%的患者可出现关节受累即银屑病关节炎(PsA)。PsA是一类特殊的慢性关节炎,既可以累及外周小关节,也可以累及中轴关节,对关节的破坏性较强,可出现关节毁损,在中轴关节可出现“漂浮样”非对称骨赘,在外周关节可形 It is not unusual for two or more autoimmune diseases (AIDs) to co-exist clinically (1). Psoriasis cases combined with other AID few reports at home and abroad. The incidence of psoriasis in the population is not low (2% to 3%), 5% to 30% of patients may have joint involvement that psoriatic arthritis (PsA). PsA is a special class of chronic arthritis that affects both small and medium-sized articular cartilages, but also affects the mid-axial joint. It is devastating to joints and can cause joint damage, and “floating” Symmetrical osteophytes, the shape of the peripheral joints can be shaped