Synovial cell sarcoma is the most common malignant tumor involving the joints. The tumor arises from primitive mesenchymal cells outside the synovial membrane. Clinical signs include lameness and joint swelling. Radiography reveals soft-tissue swelling and a periosteal reaction. Pulmonary metastasis is detected in ~25% of animals at initial examination. Biopsy reveals evidence of a soft-tissue tumor. Limb amputation is the treatment of choice, although palliative radiation may be considered for cases with a low tumor burden not involving bone.
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Arthropathies and Related Disorders in Small Animals
Arthropathies and Related Disorders in Small Animals
Aseptic Necrosis of the Femoral Head in Dogs
Patellar Luxation in Dogs and Cats
Osteochondrosis in Dogs
Elbow Dysplasia in Dogs
Hip Dysplasia in Dogs
Degenerative Arthritis in Dogs and Cats
Septic Arthritis in Dogs and Cats
Immune-mediated Arthritis in Dogs and Cats
Neoplastic Arthritis in Dogs and Cats
Polyarthritis in Dogs and Cats
Joint Trauma in Dogs and Cats