关于对儿童骨年龄评估的形骨化角度的基于超声波的定量评估的初步研究
Minghang Lin1,2, Lei Yan3,4, Haiying He2
1Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.
Quantitative imaging in medicine and surgery
|February 11, 2026
概括
这项研究介绍了体骨化角度 (OA) 作为一种新的,非侵入性超声波方法,用于骨年龄 (BA) 评估. 总骨化角度 (TOA) 与放射性BA有很强的相关性,为儿科生长评估提供了一个有前途的替代方案.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 医疗成像医学成像
- 定量超声波检查是什么
背景情况:
- 标准骨年龄 (BA) 评估依赖于放射学,将儿童暴露在电离辐射中.
- 需要使用非侵入性方法来评估儿科生长和骨成熟度.
- 体骨化角度 (OA) 是一种新的定量超声参数.
研究的目的:
- 评估形骨化角度 (OA) 作为骨年龄 (BA) 评估的非侵入性替代方案的可行性.
- 为了检查超声波衍生的OA和放射性确定BA之间的相关性.
- 评估OA和复合指数的可复制性和诊断潜力.
主要方法:
- 一项涉及201名年龄在5-14岁的汉族女孩的前性研究.
- 同时进行左手腕放射 (坦纳-怀特豪斯3方法) 和远距离半径,远距离骨和中间股骨的超声波.
- 测量体骨化角度 (OA) 和骨化比率 (OR);计算总骨化角度 (TOA) 和骨成熟度得分 (SMS).
主要成果:
- 对于OA和OR测量,观察者内部和观察者间的可复制性非常好 (ICCs 0.78-0.92).
- 在所有地点,OA和TW3 BA之间存在显著的负相关性 (r=-0.650到-0.721).
- 复合TOA (r=-0.808) 的强反相关性和与BA的SMS (r=0.813) 的正相关性;TOA解释了65.3%的BA变异.
结论:
- 超声波衍生的OA显示与放射性骨年龄有很强的反向相关性.
- 复合总骨化角度 (TOA) 显示出作为儿科BA评估的新型,非侵入性标记物的显著前景.
- 这些发现支持OA的可行性,为临床预测模型提供了进一步的研究.
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