风湿免疫科医生认为我老公是Stevens–Johnson syndrome(严重的剥脱性皮炎。他说他一生见过3例,他现在也认为是Stevens–Johnson syndrome。SJS is a type IV hypersensitivity reaction in which a drug or its metabolite stimulates cytotoxic T cells (i.e. CD8+ T cells) and T helper cells (i.e. CD4+ T cells) to initiate autoimmune reactions that attack self tissues. In particular, it is a type IV, subtype IVc, delayed hypersensitivity reaction dependent in part on the tissue-injuring actions of natural killer cells.