恶性组织细胞病（ＭＨ），较罕见，我科１９９７年９月收治１例。患儿宋某某，男，８岁。因“乏力半年余，持续高热２周”入院。半年前患儿无明显诱因经常感乏力、不思饮食；２周前持续发热，体温达４０℃～４２℃，伴畏寒、咳嗽、鼻衄２次。曾在县医院诊断为“支气管炎”... Malignant histiocytosis (MH) is rare. In our department in September 1997, 1 case was treated. Children Song Moumou, male, 8 years old. Due to “fatigue for more than six months, continued high fever for 2 weeks” was admitted. Six months ago, children with no obvious incentives often feel tired, not thinking about diet; 2 weeks before persistent fever, body temperature reached 40 °C ~ 42 °C, with chills, cough, nasal discharge 2 times. Once diagnosed as “Bronchitis” at the county hospital...