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Radiology, Vol 207, 815-821, Copyright © 1998 by Radiological Society of North America

ARTICLES

Cervical spine: three-dimensional MR imaging with magnetization transfer prepulsed turbo field echo techniques

ER Melhem, SD Caruthers and H Jara
Department of Radiology, Boston University Medical Center, MA 02118, USA.

In 11 volunteers, magnetic resonance (MR) imaging of the cervical spine was performed with a magnetization transfer preparatory pulse (prepulsed), three-dimensional Fourier transform, turbo field echo sequence. The effects of flip angle, number of shots, phase-encoding profile order, and magnetization transfer prepulse offset frequency on cerebrospinal fluid-to-cord contrast were evaluated. The contrast was improved by lowering the flip angle, increasing the number of shots, and implementing a magnetization transfer prepulse and linear phase- encoding profile order. Maximum myelographic effect was achieved with the magnetization prepulse (500-Hz frequency offset), 3 degrees flip angle, six shots, and linear phase-encoding profile order.


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V. Baskaran, F. S. Pereles, E. J. Russell, S. A. Georganos, A. Shaibani, K. A. Spero, E. A. Krupinski, A. Zhang, and J. P. Finn
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