Rapid calculation of T1 using variable flip angle gradient refocused imaging.

@article{Fram1987RapidCO,
  title={Rapid calculation of T1 using variable flip angle gradient refocused imaging.},
  author={Evan Fram and Robert J. Herfkens and G. Allan Johnson and Gary H. Glover and J P Karis and Ann S Shimakawa and T G Perkins and Norbert J. Pelc},
  journal={Magnetic resonance imaging},
  year={1987},
  volume={5 3},
  pages={201-8}
}
We present a method for rapid measurement of T1 relaxation times using gradient refocused images at limited flip angles and short repetition times. This "variable nutation" techniques was investigated using a T1 phantom. There was a high correlation between measurements obtained with the variable nutation and partial saturation techniques. The ability of this method to create calculated T1 images is also demonstrated. We conclude that the variable nutation method may allow measurement of T1… CONTINUE READING

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