手臂振动病是长期从事手传振动作业而引起的以手部末梢循环和/或手臂神经功能障碍为主的疾病，并能引起手臂骨关节-肌肉的损伤。发病部位多在上肢末端，典型表现为发作性手指变白。
结论MR I可以早期显示手臂振动病的骨关节改变，明显早于X射线；
Conclusion MRI can display bone and joint diseases of vibration much earlier than X-ray does.
研究手臂振动暴露水平与健康危害程度的关系，为铁矿振动危险度评价提供流行病学资料；
Study the correlation of hand-transmitted vibration and it's hazards, provide epidemiology evidence for risk evaluation of vibration;
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