Magnetic resonance imaging of feline eye

Document Type : Short paper

Authors

1 Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran

2 Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran

3 Ph.D. Student in Radiology, Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

Abstract

The purpose of this study was to investigate magnetic resonance imaging (MRI) of the normal feline eye
and optic nerves using T1-weighted and T2-weighted images. A total of 6 healthy female domestic short hair
cats age 2-2.5 years and weighing 3.2 ± 0.4 kg were selected. Magnetic resonance imaging data were
collected using GEMSOW (Philips) at a magnetic field strength of 1.5 T. Dorsal, sagittal, and transverse
plane images were obtained from left and right eyes. Intraocular structures of the cats visible on T1-weighted and T2-weighted images include cornea, anterior chamber, posterior chamber, lens, iris, sclera, and chiasma. Cornea was well detected in T1-weighted, the iris in T2-weighted and chiasma was well detected in T2- weighted in dorsal plane. Measurements of the visible structures on T1-weighted and T2-weighted images did not show any significant difference between the left and right eyes (P>0.05). MRI provides excellent anatomical detail of the feline eye and optic nerve due to its superior soft tissue contrast and its multiplanar and multislice imaging capability.

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