恶性组织细胞病（MH），小儿发病较少见，我科于1997年9月收治1例报告如下。患儿宋Xx，男，8岁。因“乏力半年余，持续高热二周”入院。半年前患儿无原因经常出现乏力、不思饮食，2周前开始发热，呈持续性，体温：40～42C，伴畏寒、咳嗽，曾在本县医院诊断为“支气管炎”，用抗生素 Malignant histiocytosis (MH), infantile morbidity is rare, our department in September 1997 admitted to a report as follows. Children Song Xx, male, 8 years old. Due to “fatigue more than six months, sustained high fever two weeks ” admission. Six months ago, children with no reason often appear fatigue, do not think diet, 2 weeks ago began to fever, was persistent, body temperature: 40 ~ 42C, with chills, cough, had diagnosed in the county hospital as “bronchitis” With antibiotics