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1临床资料患者女,52岁,因“躯干、四肢起鳞屑性皮疹31年;掌跖角化增生4年,出现红色斑块1年”于2015年8月1日就诊。患者31年前躯干四肢出现散在分布的约黄豆大鳞屑性丘疹,部分表面覆盖银白色鳞屑,瘙痒明显,在当地医院诊断为“寻常型银屑病”。采用多种治疗方法后,病情反复发作。7年前间断服用外地自制制剂(含砷)后,皮疹消退。4年前掌跖相继出现少量约米粒大疣状丘疹,未予以治疗,后
1 Clinical data Female patient, 52 years old, due to “torso, limbs scaly skin rash 31 years; palmoplantar hyperkeratosis 4 years, red patches 1 year ” in August 1, 2015 treatment. Patient 31 years ago appeared scattered around the trunk limbs scaly about soybean papules, part of the surface covered with silver scales, itching obvious, at the local hospital diagnosed as “psoriasis vulgaris.” After using a variety of treatment methods, the disease recurrent. Seven years ago, intermittent use of homemade preparations (including arsenic), the rash subsided. 4 years ago palmoplantar have emerged a small amount of verruca granulosum, did not be treated, after