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T1-weighting in Steady-State FLASH MRI–Diffusion Is Not Only Supportive but Mandatory for the Contrast
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DOI：10.1002/mrm.70443.png)
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Abstract
En 中文
FLASH imaging is widely assumed to produce a T1-weighted steady-state contrast using RF- and gradient-spoiling. We observed substantial overestimation of CSF signals in simulations, when diffusion was neglected and realistic proton density was applied. This work investigates the role of diffusion in steady-state FLASH contrast formation and its implications for simulation-based modeling and measurement.
Keywords:
diffusion
gradient-spoiling
RF-spoiling
steady-state
T1-weighted FLASH
TR-spoiling
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