临床资料患者,男,22岁,福建人。主因双下肢皮疹渐增多1年余,于2014年7月11日就诊。1年余前,无明显诱因患者双下肢屈侧出现散在黄豆大黑褐色丘疹,无明显痒痛,未诊治。后皮损逐渐增多增大变硬,偶感疼痛,曾就诊外院按“湿疹、瘢痕疙瘩”予外用药物等治疗,皮损无明显好转。既往乙型病毒性肝炎及乙型肝炎相关性肾炎病史5年余,2012年 Clinical data patients, male, 22 years old, Fujian people. Mainly due to double lower extremity rash increased more than 1 year, on July 11, 2014 treatment. More than 1 year ago, there was no obvious incentive for patients with bilateral lower extremity flexion side of the big black brown scattered pimples, no obvious itch pain, no diagnosis and treatment. Increased after the gradual increase in skin lesions harden, even sense of pain, has been outside the hospital according to “eczema, keloids ” for topical drugs and other treatment, no significant improvement in skin lesions. Past history of hepatitis B and hepatitis B-related nephritis more than 5 years, 2012