Osteosarcoma is a form of bone cancer in dogs that accounts for 85% of primary bone tumors diagnosed, making it the most common bone tumor. It is a highly aggressive tumor, characterized by local invasion and destruction of the bone as well as early metastasis (spread to other organs, the most common site of metastasis being the lungs). Osteosarcoma most commonly affects the limbs (or the appendicular skeleton) of large to giant breed dogs. It can also occur in other bones such as the skull, ribs, vertebrae, and pelvis (the axial skeleton) which are more common sites in smaller dogs.
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What is Hemangiosarcoma?
Hemangiosarcoma of the spleen, or spleen cancer in dogs, is a cancer that is diagnosed in many canines every year. It is a cancer made up of the cells that line blood vessels, and therefore can be found in any part of the body. However, the most common sites include the spleen, liver and right auricle of the heart. Approximately 2/3rds of masses in the spleen are malignant and of those, 2/3rds are diagnosed as hemangiosarcomas. Splenic hemangiosarcoma is most often diagnosed in older dogs, with German Shepherds, Labrador Retrievers and Golden Retrievers being the most commonly affected breeds. Splenic
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Symptoms of Cancer in Dogs & Cats
Common Signs of Cancer in Pets Treating cancer in pets is a large part of what we do here at AVIM&O. An estimated 4 million dogs and cats will develop cancer each year. As dogs get older, their risk of cancer increases. Almost half of dogs over the age of 10 will develop cancer, while there is less information regarding the cancer rate in cats. Still, we do know that cancer is the leading cause of death in 47% of dogs and 32% of cats. A Morris Animal Foundation study found that 41% of animal owners feel that cancer is
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