[病例90] 患者4岁,女,初诊于1975年8月11日。病历:其母代诉为婴儿苔癣瘙痒。两年前两下肢有大小数个水疱,严重时背和手腕也有水疱,瘙痒。每晚由她母亲瘙痒才能就寝。营养状况和颜色一般。四肢、背有新水疱和旧黑褐色斑点,水疱多有搔溃痕迹。 [Case 90] The patient was 4 years old and she was diagnosed on August 11, 1975. Medical records: The mother’s mother’s complaint was that the baby had itchiness. Two years ago, both lower extremities had several blisters, and severe blisters and itching occurred on the back and wrists. Every night by her mother’s itching to go to bed. Nutritional status and color are general. Limbs, new leeches and old dark brown spots on the back, and leeches have many signs of collapse.