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A joint myxoma in a dog.
A Berrocal1, Y Millán, J Ordás
1Departamento Patología, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica.
Journal of Comparative Pathology
|February 27, 2001
Summary
This study reports a rare joint myxoma in a Dobermann pinscher, successfully treated with surgical excision. The tumor showed no recurrence over a two-year follow-up period, offering hope for similar rare animal joint tumor cases.
Area of Science:
- Veterinary Pathology
- Canine Oncology
- Synovial Tumors
Background:
- Joint myxomas are exceptionally rare in domestic animals.
- Previous reports document only four cases, all in dogs.
- This case presents a novel instance in a Dobermann pinscher.
Purpose of the Study:
- To describe a rare synovial myxoma in a dog.
- To detail the clinical presentation, surgical management, and histopathological findings.
- To contribute to the limited literature on canine joint myxomas.
Main Methods:
- Surgical excision of the synovial myxoma from the radiocarpal joint.
- Post-operative follow-up for 2 years to monitor for recurrence.
- Immunohistochemical analysis of tumor cells using antibodies for vimentin, S100 protein, and cytokeratins.
Main Results:
- A myxoma was successfully excised from the right radiocarpal joint.
- No recurrence was observed during the 2-year follow-up period.
- Immunohistochemistry revealed tumor cell expression of vimentin and S100 protein, with negative staining for cytokeratins.
Conclusions:
- Surgical excision is an effective treatment for canine synovial myxomas.
- Immunohistochemical markers support the diagnosis and aid in differentiating from other tumors.
- This case expands the understanding of rare joint tumors in domestic animals.