寻常性天胎疮常侵犯口腔粘膜,且早于皮肤,有些病例病变最初只限于口腔。慢性“剥脱性”龈炎常常仅是寻常性天皰疮的一种口腔表现。组织学特征为上皮内裂隙形成和棘层细胞松解。作免疫萤光抗体测验可见细胞间隙内存在抗体。大皰色性类天皰疮是一种死亡率低的,皮肤的疱疹性疾病。通常不侵犯口腔,有时侵 Frequent tonsil often violated oral mucosa, and earlier than the skin, and some cases initially limited to the oral lesions. Chronic “exfoliative” gingivitis is often only an oral manifestation of pemphigus vulgaris. Histological features were intraepithelial fissure formation and dissection of stratum spinosum. For immunofluorescence antibody test shows the presence of antibodies in the intercellular space. Bullous chylous pemphigus is a low mortality rate, the skin herpes diseases. Usually do not invade the oral cavity, sometimes invasive