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MAGNETIC RESONANCE IMAGING OF THE NORMAL EYE AND ORBIT OF THE DOG AND CAT
Author(s) -
Morgan Rhea V.,
Daniel Gregory B.,
Donnell Robert L.
Publication year - 1994
Publication title -
veterinary radiology and ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.541
H-Index - 60
eISSN - 1740-8261
pISSN - 1058-8183
DOI - 10.1111/j.1740-8261.1994.tb00196.x
Subject(s) - sagittal plane , oblique case , magnetic resonance imaging , medicine , orbit (dynamics) , anatomy , dorsum , coronal plane , optic nerve , nuclear magnetic resonance , nuclear medicine , radiology , physics , philosophy , linguistics , engineering , aerospace engineering
Magnetic resonance (MR) images of the normal eye and orbit of the dog and cat were acquired. T1‐weighted, proton‐density, and T2‐weighed images were obtained in the oblique dorsal, straight sagittal, and oblique sagittal planes. Signal intensity for the various orbital structures differed among the three resonance techniques. T1‐weighted images provided the greatest contrast of the retrobulbar structures. T‐1 weighted images also had the highest signal to noise ratio, thereby providing the best anatomic detail. Anatomic components of the globe, retrobulbar structures and ocular adnexa were easily seen in all MR sections. The oblique dorsal and oblique sagittal planes were superior for evaluating the optic nerve in its entirety.