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RT Journal Article
SR Electronic
T1 NMR of the normal and pathologic eye and orbit.
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 345
OP 350
VO 5
IS 4
A1 Sobel, D F
A1 Mills, C
A1 Char, D
A1 Norman, D
A1 Brant-Zawadzki, M
A1 Kaufman, L
A1 Crooks, L
YR 1984
UL http://www.ajnr.org/content/5/4/345.abstract
AB Nuclear magnetic resonance (NMR) images of the eye and orbit were reviewed in a series of 100 normals and in four patients with orbital or ocular pathology. A rich retrobulbar fat content rendered the orbit well suited for NMR imaging. The lens, vitreous, optic nerve, and extraocular muscles were well visualized with spin-echo technique. However, NMR spatial resolution was inferior to that of high-resolution computed tomography (CT). NMR was comparable to CT in demonstrating choroidal melanoma and orbital pseudotumor. NMR exhibited a particular sensitivity in displaying tissue contrast for infiltrative orbital fat lesions with a relatively long T1. This initial experience suggests a promising role for NMR in orbital imaging.