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請問磁振造影(Magnetic Resonance Imaging,MRI)是什麼?有輻射線嗎?
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Aug 28, 2012, 3:44:16 AM
8/28/12
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請問磁振造影(Magnetic Resonance Imaging,MRI)是什麼?有輻射線嗎?
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Aug 28, 2012, 3:44:34 AM
8/28/12
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磁振造影是利用高強度磁場將人體組織中的氫原子暫時磁化,再利用無線電波與氫原子的共振作用,以線圈收集訊號,以產生影像。因為是利用磁場的作用,所以沒有任何輻射線,對於人體不會有影響。
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