佝偻病[1] (rickets)是儿科常见病、多发病 ,可由多种原因引起 ,包括一组疾病 ,是一种综合征 ,它们有相似的组织病理改变。通常所说的佝偻病是指由于维生素D缺乏而引起钙、磷代谢紊乱所造成的代谢性骨骼疾病。 1990年国外有报道[2 ] 2岁儿童 80 %有佝偻病。 2 0世纪 70年代以 Rickets are common and frequently occurring pediatric diseases and can be caused by a variety of causes, including a group of diseases, a syndrome that has similar histopathological changes. Commonly referred to as rickets is due to vitamin D deficiency caused by metabolic disorders of calcium and phosphorus metabolic bone disease. 1990 reported abroad [2] 80% of 2-year-olds have rickets. In the 1970s