晚发性佝偻病也是一种维生素D(Vit D)缺乏性疾病.其不同于婴幼儿佝偻病,仅因好发于某一年龄组人群,且具有某些特殊临床表现.过去对此病是否存在有不同看法,但近10年全国各地,如东北三省的齐齐哈尔、哈尔滨、长春、鞍山;内蒙古根河,山西榆次,浙江苍南等地的流行病调查及临床病例报道,均已证实晚发性佝偻病的存在,并有其独特的临床特征。 Late-onset rickets is also a deficiency of vitamin D. It differs from infant rickets in that it occurs only in certain age groups and has some special clinical manifestations. However, epidemiological investigations and clinical case reports in all over the country in recent 10 years, such as Qiqihar, Harbin, Changchun and Anshan in the three northeastern provinces; root canal in Inner Mongolia, Yuci in Shanxi Province and Cangnan in Zhejiang Province, have confirmed that late-onset rickets The existence of, and has its unique clinical features.