Chondrosarcoma of the proximal humerus in a cat
2005
Merchav, R. | Dank, G. | Aizenberg, I. | Shahar, R.
Chondrosarcoma of the proximal humerus was diagnosed in a four‐year‐old, castrated male, domestic shorthair cat that was presented with a slowly growing solid mass in the region of the proximal humerus. Forequarter amputation was advised, but declined by the owners. Following surgical debulking clinical signs resolved, but two months after surgery the cat was readmitted because the mass had recurred in the same region. The forequarter was amputated. Histopathological evaluation of the tumour confirmed the diagnosis of chondrosarcoma. Follow‐up examinations performed over a period of 15 months from initial presentation revealed that the cat was doing well and had no signs of metastatic disease. To the authors' knowledge, this is the first reported case of chondrosarcoma of the proximal humerus in a cat to be diagnosed and surgically treated. This case demonstrates that animals with such tumours may recover well after complete excision.
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