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患者男,37岁。发热1周,右腰腹部黑色斑片伴疼痛3d。皮肤科情况:双小腿寻常性银屑病,右腰腹部见一约50cm×50cm大黑色斑片,其上可见多发性黄豆大黑色水疱,周围绕有红斑,触痛剧烈。病变处皮损组织病理示:皮肤组织坏死,血管外大量红细胞渗出,血管内外血栓形成。诊断:暴发性紫癜,寻常性银屑病。予紧急血浆置换治疗,同时予抗感染、换药、植皮等治疗后患者皮损逐渐愈合。
Male patient, 37 years old. Fever for 1 week, the right waist and abdomen black patches with pain 3d. Dermatology: Double legs vulvar psoriasis, right abdomen, see a large about 50cm × 50cm large black patches, which showed multiple yellow big black blisters around the surrounding erythema, severe tenderness. Pathological lesions showed lesions: skin tissue necrosis, extravascular erythrocyte exudation, blood vessels inside and outside the thrombosis. Diagnosis: purpura fulminans, psoriasis vulgaris. To emergency plasma exchange treatment, while the anti-infection, dressing, skin grafting and other treatment of patients gradually healed skin lesions.