限局性组织细胞增多症X,是骨的嗜伊红细胞肉芽肿疾病,呈良性经过;在组织学上以组织细胞增殖,大量嗜伊红细胞浸润为主要特征。有关本病的报导国外较多,国内报告较少。现将作者等所收治的7例报告如下,并结 Limitations of histiocytosis X, is a bone eosinophilic granulomatous disease, was benign; in histology to cell proliferation, a large number of eosinophil infiltration as the main feature. More reports about this disease abroad, fewer domestic reports. Now the author received 7 cases are as follows, and knot