患儿,男,18个月。因反复抽搐3个月入院。曾两次在外县人民医院诊断为“脑炎”,出院后好转一段时间又犯。两次住院期间都发现有贫血,输血后好转。本次入院时同样发现有严重贫血。经过对贫血有关常见原因的详尽检查未能找出病因。患儿父母为农民,在与其交谈中偶然发现他们的手指、手掌的皮肤纹路内深嵌着一层黑色物,不似一般干农 Children, male, 18 months. Due to repeated convulsions 3 months admitted to hospital. Had twice in the county people’s hospital diagnosed as “encephalitis”, improved after discharge for some time again. Anemia was found during both inpatients and improved after blood transfusion. The hospital was also found to have severe anemia. After a thorough examination of common causes of anemia failed to identify the cause. Parents of children with peasants, talking to them occasionally found their fingers, the palm of the skin lines deep inlay with a layer of black objects, unlike ordinary farmers