Common info

Osteosarcoma is a bone cancer that is rare in cats but often found in dogs of all breeds, especially the giant breeds. It is a severe disease that can rapidly spread to other body parts. Although there is a little chance of success, treatments are still available.


Osteosarcoma is neither related to genetic factors nor gender. However, dogs with bone injuries seem to be more prone to the disease.


This type of bone cancer can exist in all parts of the bod, but most of them do occur on arms and legs, which is equivalent to 75 – 85% of the affected bones. The rests will be in the areas of axial skeletons, which consist of molar, spine, cranial bones, skeleton, nasal cavity, paranasal sinus, and pelvis.


  • Swelling 
  • Lameness
  • Pain in the joint
  • Pain in the bone
  • Fatigue
  • Loss of appetite  

Symptoms of osteosarcoma are not noticeable. However, most of the affected animals seem to experience swelling, lameness, pain in joints, and pain in bones. Occasionally, some may be fatigue, loss of appetite, have larger lumps in the body, along with pain and inflammation around the area the tumor develops.

Treatment and Prevention

The primary treatment includes a prescription of chemotherapy along with surgery to prevent the cancer from spreading into other parts of the body, especially the lymph nodes. In some cases, legs will be cut off to get rid of the cancer. The best option is to consult with a veterinarian.

  1. Wearethecure | Osteosarcoma
  2. Honestdocs | Osteosarcoma in dog
  3. Petmd | Bone Tumors/Cancer in Cats
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  5. De Toledo, G. N., Reina Moreira, P. R., Rolemberg, D. S., Facin, A. C., Hough Monteiro, J. E., Menezes, M. P. de, de Nardi, A. B. 2018. Intranasal Osteosarcoma in a Dog—A Case Report. Topics in Companion Animal Medicine, 33(2), 35–39.
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