低磷性佝偻病

（HypophosphatemicRickets，HR）

低磷性佝偻病是儿童常见的代谢性骨病，是由于遗传性或获得性的原因致使肾小管对磷酸盐的重吸收障碍，大量磷从尿中丢失，导致血磷降低和骨矿化障碍所致的一组骨骼疾病。

该病的遗传方式多变，包括常染色体隐性、常染色体显性、X连锁显性、X连锁隐性。据国外报道，新生儿发病率为1:。

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