The Facts

• Osteosarcoma a very common type of bone cancer in dogs, accounting for up to 85% of tumors that originate in the skeletal system.
  
  
• Although it is a disease more commonly seen in older giant breed dogs, it can affect dogs of any size or breed.
  
  
• The first signs of this disease may be lameness in the affected leg.  
  
  
• Swelling over the area affected with the tumor or pain at the site may also be observed.
  
  
• This type of tumor tends to be very aggressive and metastatic, often finding the disease has already spread at the time of diagnosis.
  
  
• Standard of care for bone cancer normally includes removal of the primary tumor, followed by chemotherapy to attack the cells that have left the site.