Presentation
10 year old male neutered Viszla. The patient has a six week history of cervical pain and progressive pelvic limb paresis. Tentative Diagnosis: C1-T2 lesion, possible C5-cranial.
Patient Data
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There is a mineralized disc in situ at the C6-7
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An MRI was performed, and contrast enhancing tissue was found in multiple cervical and thoracic vertebrae as well as in the spinal canal and venous sinuses. The C7 and T1-T3 vertebral bodies are contrast enhancing.
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There is a compression fracture of the vertebral body with central lysis. A soft tissue component extends into the spinal canal.
Case Discussion
Differential diagnosis
Lucency of C7 and sclerosis of T3 are most consistent with an aggressive process such as neoplasia. A multicentric or metastatic myeloma, or other metastatic neoplasia (carcinoma, hemangiosarcoma, lymphoma) could also be considered. The degenerative intervertebral disc disease may be incidental.
Diagnosis
Multiple myeloma.
Discussion
An MRI was performed, and contrast enhancing tissue was found in multiple cervical and thoracic vertebrae as well as in the spinal canal and venous sinuses.
Necropsy examination found myeloma at these sites as well as invasion of the venous sinuses.
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