盘状红斑狼疮(discoid lupus erythematosus,简称DLE)是一种累及皮肤和粘膜的结缔组织疾病。目前认为本病是一种自身免疫性病。在口腔科临床非属罕见,常发生于20～40岁左右的青壮年。病情进展缓慢,演变过程多为良性。由于本病仅表现在皮肤和粘膜上而少侵及内脏,故无全身症状和体征,往往不被患者所重视。加之病因不甚明了,缺乏有效的治疗手段,给临床诊断和治 Discoid lupus erythematosus (DLE) is a connective tissue disease involving the skin and mucous membranes. Currently considered the disease is an autoimmune disease. In clinical stomatology is not uncommon, often occurs in 20 to 40-year-old young adults. Slow progression of the disease, the evolution process are mostly benign. As the disease only manifested in the skin and mucous membranes and less invasive and visceral, so no systemic symptoms and signs, are often not valued by patients. Coupled with the cause is not clear, the lack of effective treatment to clinical diagnosis and treatment