Gradient echo法の基礎 - UMIN
・長いTR >100ms ・短いTR <50ms TE : echo time →T 2*緩和と深い関係 ・長いTE 15〜25ms ・短いTE 5〜10ms FA : flip angle ・大きいFA 70°〜110° ・小さいFA 5°〜20° GRE法のコントラストはTR、TE、FAと臓器の緩和 とが関連して導かれる→複雑なコントラスト
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