患者,男,41岁,因“周身结节、结痂伴痒1个月”入院。1个月前无明显诱因左侧腋下出现2个蚕豆大小红色丘疹,且伴有皮损。随后丘疹皮损逐渐增多,胸背部、四肢皮肤亦出现类似皮损,部分皮损表面可见结痂,结节大小不等,黄豆至鸽蛋大小。期间发热,体温最高40℃,咳嗽,咳白色黏痰,颈部数个无痛性淋巴结肿大,无头晕、恶心、呕吐,无胸 The patient, male, 41 years old, was hospitalized for “whole body nodules, crusting and itching for 1 month.” 1 month ago, there was no obvious incentive to appear on the left side of the armpit two broad bean red papules, and accompanied by skin lesions. Then gradually increased pimple skin lesions, chest and back, limb skin also appeared similar lesions, scabs visible on the surface of some lesions, nodules of different sizes, the size of soybeans to pigeons. During fever, body temperature up to 40 ℃, cough, cough white phlegm, neck painless lymphadenopathy, no dizziness, nausea, vomiting, no chest