郎格罕细胞组织细胞增生症(Langerhans cellhistocytosis,LCH)系指单核巨噬细胞系统和网状细胞系统增生的一组疾病,其病因及发病机制不十分明确,发病率低,临床表现差异较大,易造成误诊和漏诊。为提高对本病的认识,现将本院2003年1月-2009年1月收治的26例LCH分析总结如下:1资料 Langerhans cell histiocytosis (Langerhans cellhistocytosis, LCH) refers to a group of diseases of mononuclear macrophage system and reticulocyte system proliferation, the etiology and pathogenesis is not very clear, the incidence is low, the clinical manifestations of the difference is more Large, easy to misdiagnosis and missed diagnosis. In order to improve the understanding of this disease, we now summarize 26 cases of LCH analyzed from January 2003 to January 2009 in our hospital as follows: 1 Data