Compared with gray-matter signal intensity, immature myelin carried short T 1 and long T 2 relaxation time, while matured myelin carried short T 1 and short T 2 relaxation time.

 
  • 髓鞘形成中的MRI信號變化 :相對于灰質(zhì)信號 ,未成熟的髓鞘呈短T1和長(cháng)T2 ,在T1WI上呈高信號與灰質(zhì)易區別 ;
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