This disease is of four types: the hyperplastic type, simple atrophic type, lichenoid constrictive type, and mixed type. 此病主要分四型：增生型、单纯萎缩型、苔藓硬化型、混合型，病情顽固复杂。
A 37-year-old male presented with asymptomatic poikilodermatous skin lesion,lichenoid papules and tense blisters on his upper extremities,waists,abdomen,face and neck for 7 years. 双上肢、上腰腹部及面颈部起丘疹、红斑、张力性水疱,色素沉着和色素减退相间,无自觉症状7年。
lichenoid and retiform parapsoriasis 苔藓样网状类银屑病
chronic atrophic lichenoid dermatitis 白苔癣
exudative chronic discoid and lichenoid dermatitis 渗出性慢性盘状及苔藓样皮炎
