患者,男性，45岁，乡村医生。3年前始右臀部遭痒，内上区发现数个小结节，逐渐扩大融合，先后在5家医院就诊，多数诊为“体癣”，用过多种抗真菌药物治疗无效，并扩展到左臀部。查体体温、血压正常，心肺无异常，腹部平软，肝脾未触及。皮肤科所见：双侧臀部大片斑块，角层较厚 Patient, male, 45 years old, country doctor. 3 years ago, the right buttocks were itchy, found several small nodules within the area, and gradually expand the integration, has five hospitals for treatment, the majority of diagnosed as “body ringworm”, used a variety of antifungal therapy ineffective, and expanded To the left buttocks. Physical examination temperature, normal blood pressure, no abnormal heart and lung, abdominal soft, liver and spleen not touched. Dermatology seen: large bilateral hip plaque, thicker angle