患者 ,男 ,5 3岁 ,渔民 ,臀部反复起斑、丘疹、渗液 ,伴痒 5年 ,加重 3月。患者 5年前因捕鱼外伤后于臀部起 5分硬币大红斑 ,抓破后有渗液 ,渐扩大 ,并反复发作 ,累及对侧臀部。 3月前 ,躯干、四肢近端突发黄豆大炎性丘疹 ,微痒 ,伴夜间或午后畏寒、低热、盗汗。经外院多种药物 Patient, male, 53 years old, fishermen, repeated spotting on the buttocks, papules, exudate, itching 5 years, aggravating in March. Patient 5 years ago due to fishing trauma in the buttocks from 5 points coin erythema, scratching after exudate, gradually expanded, and recurrent, involving the contralateral hip. 3 months ago, the trunk, the sudden emergence of the proximal tubercle soybean inflammatory papules, micro-itching, with nighttime or afternoon chills, fever, night sweats. After a variety of drugs outside the hospital