Magnetization transfer ratios of multiple sclerosis lesions with variable durations of enhancement.

@article{Filippi1998MagnetizationTR,
  title={Magnetization transfer ratios of multiple sclerosis lesions with variable durations of enhancement.},
  author={Massimo Filippi and M A Rocca and Giancarlo Comi},
  journal={Journal of the neurological sciences},
  year={1998},
  volume={159 2},
  pages={162-5}
}
We evaluated whether new multiple sclerosis (MS) lesions with variable durations of enhancement have different magnetization transfer ratios (MTR) at the time of their appearance. We scanned ten patients with relapsing-remitting MS every four weeks on four occasions. During each of the monthly sessions, we obtained dual echo, MT and T1-weighted scans. Five minutes after gadolinium-DTPA (Gd) injection, another T1-weighted scan was obtained. We measured the MTR of new enhancing lesions on co… CONTINUE READING

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