扁平苔藓是一种较常见的慢性炎症性疾病,它可发生于皮肤,也可发生于口腔粘膜,或两者兼发。发生于口腔粘膜的扁平苔藓,大多数病例呈白色高起损害,可呈网纹状、条索状、斑块状、树枝状和点状等不同表现,在损害区也可出现粘膜萎缩,充血和周围黑色素沉着等现象。数十年来,不少学者对本病的发病因素虽然作了大量观察研究,提出了很多看法,如局部慢性刺激、感染、过敏、精神神经因素以及免疫异常反应等等,但至今仍未获得令人信服的解释。 Lichen planus is a more common chronic inflammatory disease that can occur in the skin, can also occur in the oral mucosa, or both. Occurred in the oral mucosa of lichen planus, the majority of cases were white high damage, can be reticulate, cords, plaque, dendritic and punctate and other different manifestations in the damage area may also appear mucosal atrophy, congestion And the surrounding melanin and other phenomena. For decades, many scholars have made a lot of observations on the pathogenesis of this disease and put forward many opinions on such factors as local chronic irritation, infection, allergy, neuro-neurological factors and immune abnormalities, etc. However, up to now, Convinced by the people’s explanation.