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Vet Radiol Ultrasound. 2012 Nov-Dec;53(6):636-42. doi: 10.1111/j.1740-8261.2012.01963.x. Epub 2012 Jun 29.

Unique topographic distribution of greyhound nonsuppurative meningoencephalitis.

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1
School of Veterinary Medicine, University Veterinary Hospital, University College, Dublin, Ireland. eloisaterzo@yahoo.it

Abstract

Greyhound nonsuppurative meningoencephalitis is an idiopathic breed-associated fatal meningoencephalitis with lesions usually occurring within the rostral cerebrum. This disorder can only be confirmed by postmortem examination, with a diagnosis based upon the unique topography of inflammatory lesions. Our purpose was to describe the magnetic resonance (MR) imaging features of this disease. Four Greyhounds with confirmed Greyhound nonsuppurative meningoencephalitis were evaluated by MR imaging. Lesions predominantly affected the olfactory lobes and bulbs, frontal, and frontotemporal cortical gray matter, and caudate nuclei bilaterally. Fluid attenuation inversion recovery (FLAIR) and T2 weighted spin-echo (T2W) sequences were most useful to assess the nature, severity, extension, and topographic pattern of lesions. Lesions were predominantly T2-hyperintense and T1-isointense with minimal or absent contrast enhancement.

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