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患者男,57岁。主诉:左腰部红色斑块及鳞屑20余年。现病史:患者20年前无明显诱因左腰部出现花生大红斑,轻度瘙痒,未予诊治。红斑逐渐扩大,伴有黄色鳞屑,表面偶有破溃,于2015年7月26日就诊于我院门诊。否认砷剂接触史,否认外伤及其他疾病史。既往史、个人史及家族史:无特殊。体格检查:一般情况良好,全身浅表淋巴结未触及增大。系统检查无异常。皮肤科检查:左侧腰部一约10 cm×12 cm类圆形角化性暗红色斑块,表面湿润,可见黄褐色鳞屑及结痂,境界清楚(图1),无压痛。
Male patient, 57 years old. Chief Complaint: left waist red patches and scales more than 20 years. Current history: patients 20 years ago no obvious incentive to appear in the left lobe peanut erythema, mild itching, no diagnosis and treatment. Erythema is gradually expanding, accompanied by yellow scales, surface ulceration occasionally, on July 26, 2015 treatment in our hospital. Denied the history of exposure to arsenic, denying traumatic and other medical history. Past, personal and family history: No special. Physical examination: generally good, systemic superficial lymph nodes did not touch increased. No abnormal system check. Dermatology examination: a left waist about 10 cm × 12 cm class round keratosis dark red plaque, the surface moist, visible yellowish brown scales and scabs, the realm of clear (Figure 1), no tenderness.