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1869年Wilson首先报到描述了一种慢性小丘疹状皮肤病,并命名为扁平苔藓(LP), 并首先报道了50例病人中3例有口腔损害。过去认为口腔损害常伴发皮肤病变发生,以后Adry(1874)指出口腔扁平苔藓(OLP)可单独存在。Dubereuilh(1906)认为单独发生于口腔扁平苔藓的情况比单独发生于皮肤者更为多见。曾经有学者根据OLP和皮肤LP(CLP)受累的不恒定关系(OLP患者仅有10—40％病人有皮肤损害,而有皮肤损害者则有70％或更多的有口腔损害),提出OLP与CLP应是两种独立的疾病。但没有更充分的根据。
Wilson first reported in 1869 that he described a papillary dermatosis named lichen planus (LP) and first reported oral damage in 3 of 50 patients. In the past, oral lesions were often associated with skin lesions, and later Adry (1874) pointed out that oral lichen planus (OLP) can exist alone. Dubereuilh (1906) considered that the incidence of oral lichen planus alone was more common than that of the skin alone. There have been scholars according to OLP and skin LP (CLP) involvement of the unsteady relationship (OLP patients, only 10-40% of patients have skin lesions, while those who have skin lesions, 70% or more of oral damage), proposed OLP And CLP should be two separate diseases. But there is no more sufficient basis.