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Abstract

Improved MR Imaging of the Orbit at 1.5 T with Surface Coils

John F. Schenck, Howard R. Hart, Thomas H. Foster, William A. Edelstein, Paul A. Bottomley, Rowland W. Redington, Christopher J. Hardy, Robert A. Zimmerman and Larissa T. Bilaniuk
American Journal of Neuroradiology March 1985, 6 (2) 193-196;
John F. Schenck
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Howard R. Hart Jr.
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Thomas H. Foster
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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William A. Edelstein
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Paul A. Bottomley
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Rowland W. Redington
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Christopher J. Hardy
1General Electric Corporate Research and Development Center, P.O. Box 8, Schenectady, NY 12301. Address reprint requests to T. H. Foster
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Robert A. Zimmerman
2Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA 19104
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Larissa T. Bilaniuk
2Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA 19104
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Abstract

A method for obtaining localized high-resolution magnetic resonance (MR) images of the eye and orbit is demonstrated. The method uses modified surface receiver coils placed immediately adjacent to the anatomy to detect the MR signal. Surface coils provide enhanced sensitivity for imaging voxels close to the surface of the body while limiting the received patient-generated noise. The resulting improvement in signal-to-noise ratio allows for a reduction in the imaging voxel size to about 0.5 × 0.5 × 5 mm in scan times of 3.4–5 min. At this level of resolution, anatomic detail in the orbital region previously unobservable in MR images is seen.

  • © American Roentgen Ray Society
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American Journal of Neuroradiology
Vol. 6, Issue 2
1 Mar 1985
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Improved MR Imaging of the Orbit at 1.5 T with Surface Coils
John F. Schenck, Howard R. Hart, Thomas H. Foster, William A. Edelstein, Paul A. Bottomley, Rowland W. Redington, Christopher J. Hardy, Robert A. Zimmerman, Larissa T. Bilaniuk
American Journal of Neuroradiology Mar 1985, 6 (2) 193-196;

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Improved MR Imaging of the Orbit at 1.5 T with Surface Coils
John F. Schenck, Howard R. Hart, Thomas H. Foster, William A. Edelstein, Paul A. Bottomley, Rowland W. Redington, Christopher J. Hardy, Robert A. Zimmerman, Larissa T. Bilaniuk
American Journal of Neuroradiology Mar 1985, 6 (2) 193-196;
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