目的：探讨定量CT （QCT）测量男性精神分裂症患者腰椎骨密度（BMD）的重复性研究。方法：选取江苏省扬州五台山医院病区长期住院男性精神分裂症患者共64例，进行腰椎QCT检查，并由两位经过培训的放射科医生使用统一的分析软件，分别独立测量腰椎L2~4各个椎体松质骨骨密度一次。结果：两位医师所测L2、L3、L4各椎体BMD及平均BMD结果没有统计学差异，P>0.05。结论：定量CT （QCT）能够测量腰椎松质骨的体积骨密度，并且重复性良好，可用于定期检查精神分裂症患者腰椎骨密度的状态。

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