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。