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  • Title: Magnetic resonance imaging findings of neuroaxonal dystrophy in a papillon puppy.
    Author: Tamura S, Tamura Y, Uchida K.
    Journal: J Small Anim Pract; 2007 Aug; 48(8):458-61. PubMed ID: 17543020.
    Abstract:
    A 3.5-month-old papillon puppy was brought to our clinic with chief complaints of progressive quadriparesis, ataxia and head tremor. Lesions in the cerebellum, brainstem and spinal cord were suspected on the basis of a neurological examination. No abnormality was found in a clinicopathological examination or on magnetic resonance imaging. On the basis of these results differential diagnoses including an inflammatory disease, a degenerative condition or a storage disorder were considered. Subsequently, the signs progressed and glossoplegia and dysphagia developed at six months of age. At a second magnetic resonance imaging, severe atrophy of the entire brain was found. After these examinations, the puppy was euthanased and histopathologically diagnosed with neuroaxonal dystrophy. Because magnetic resonance imaging detected abnormal features that were characteristic of neuroaxonal dystrophy in this case, we speculate that magnetic resonance imaging can assist in the pre-mortem diagnosis of this disease.
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