患者女,18岁。因右上肢红斑逐渐增多伴轻度瘙痒3年,于2015年5月就诊。患者3年前无明显诱因右上肢出现黄豆至硬币大暗红斑,自觉轻度瘙痒,之后红斑逐渐增多扩展至右侧胸部,呈线状排列,曾在外院就诊,考虑为湿疹及线状苔藓,予口服抗组胺药及外用糖皮质激素类药膏,自觉皮疹略有消退,但之后又反复出现,且缓慢增多,为进一步诊治来我院就诊。 Patient female, 18 years old. Due to the gradual increase of right upper extremity erythema with mild itching 3 years, in May 2015 treatment. 3 years ago, there was no obvious incentive for patients to appear on the right upper limb soybeans to the coin big dark red spot, conscious mild itching, and then gradually increased to the right chest erythema chest, was arranged in a linear arrangement, had seen in the hospital, consider eczema and linear moss, To oral antihistamines and topical glucocorticoid ointment, spontaneous rash slightly subsided, but then repeated, and slowly increased, to further treatment to our hospital.