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Necrotizing Encephalitis in a Yorkshire Terrier: Clinical, Imaging, and Pathologic Findings

Lotti D., Capucchio M.T., Gaidolfi E., et al.

Vet Radiol Ultrasound, 1999. 40(6): p.622-6.

A 5-year-old, male Yorkshire Terrier had chronic and progressive neurologic signs compatible with lesions in the right brain stem and right forebrain. In magnetic resonance images of the brain there were multifocal lesions at different stages of evolution, consistent with an inflammatory disease. The lesions were located in the white matter of the cerebrum, in the diencephalon and mesencephalon. These lesions were hypointense in T1-weighted images and hyperintense in T2-weighted images with no mass effect and minimal enhancement with gadolinium. Necrotizing encephalitis was confirmed post mortem.