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Degenerative myelopathy in two Boxer dogs.
A D Miller1, R Barber, B F Porter
1Harvard Medical School, Division of Comparative Pathology, New England Primate Research Center, One Pine Hill Drive, Southborough, MA 01772, USA. andrew_miller@hms.harvard.edu
Degenerative myelopathy (DM) in Boxers is confirmed through histology, revealing spinal cord degeneration similar to other breeds. This study provides the first detailed histologic description of DM in Boxers.
Area of Science:
- Veterinary Neurology
- Canine Pathology
Background:
- Degenerative myelopathy (DM) is a progressive spinal cord disease affecting multiple dog breeds.
- Boxers with thoracolumbar myelopathy often lack definitive diagnosis via MRI or CSF analysis.
- Histologic confirmation of DM in Boxers is notably absent in veterinary literature.
Observation:
- Two Boxer dogs presented with clinical signs suggestive of DM.
- Histologic examination revealed significant spinal cord degenerative changes.
- Lesions were concentrated in thoracic and cranial lumbar segments.
Findings:
- Confirmed histologic evidence of DM in the Boxer breed.
- Key lesions included myelin vacuolation/degeneration, myelophagocytosis, reactive astrocytosis, and ellipsoid formation.
- Degenerative changes were most prominent in the lateral and ventral spinal cord funiculi.
Implications:
- Provides the first detailed histologic description of DM in Boxers.
- Facilitates accurate diagnosis and understanding of DM pathophysiology in this breed.
- Enables comparison of DM lesions across different dog breeds.
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