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Spin Echo Pulse Sequence in Magnetic Resonance Imaging

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This Demonstration shows a spin echo pulse sequence in magnetic resonance imaging (MRI). The "echo time" can be manipulated on an MRI machine to yield scans with different contrast between tissues. This Demonstration examines an image of the brain showing the tissues: cerebrospinal fluid, gray matter, white matter, fat, muscle, skin, dura, marrow and vessels at a magnetic field of 3.0 T.

Contributed by: Yiling Hu (August 2022)
Open content licensed under CC BY-NC-SA

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[1] L. Collins. "Colin 27 Average Brain 2008." McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University. (Sep 7, 2021) nist.mni.mcgill.ca/colin-27-average-brain-2008.

[2] "Tissue Properties: Relaxation Times." IT'IS Foundation. (Sep 7, 2021) itis.swiss/virtual-population/tissue-properties/database/relaxation-times.

[3] J. P. Hornak, The Basics of MRI, Chapter 10. (Sep 7, 2021) www.cis.rit.edu/htbooks/mri/chap-10/chap-10.htm.

[4] D. W. McRobbie, E. A. Moore, M. J. Graves and M. R. Prince, MRI from Picture to Proton, New York: Cambridge University Press, 2007.

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