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Method to enhance the sensitivity of MRI for magnetic susceptibility effects
Method to enhance the sensitivity of MRI for magnetic susceptibility effects
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机译:增强MRI对磁化率效应敏感性的方法
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摘要
A method for enhancing the sensitivity of gradient-recalled echo imaging for T2* effects in dynamic magnetic resonance imaging which involves the step of delaying gradient-recalled echoes so that the gradient-recalled echoes are subjected to magnetic susceptibility effects for an extended period of time. The gradient-recalled echoes are delayed beyond a subsequent radio frequency pulse by applying an additional gradient which dephases any gradient-recalled echo of spins that are excited in the radio frequency repetition time period in which said gradient-recalled echoes are produced.
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