5-year-old castrated male English Springer Spaniel
Chronic progressive paraparesis and lumbar pain
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- Transverse T1, transverse T2, Transverse and Sagittal T1+C
- Expansile, osteolytic, osteoproliferative mass in right L4 vertebra; extends into vertebral canal and paraspinal tissues, compresses the spinal cord, heterogeneously enhancing
- motion
- Right L4 vertebral mass, aggressive
- Primary bone neoplasm (OSA, CSA, plasma cell tumor, FSA), metastatic neoplasm, osteomyelitis (less likely)
- Biopsy, thoracic rads, bone scan, debulk, radiation therapy