What are the first signs of osteosarcoma in dogs?
Emma Tromp
2025-08-14 13:19:14
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Osteosarcoma is very painful. If your dog has an osteosarcoma of the limb, lameness or a distinct swelling may be noted. Your dog may be more lethargic, have loss of appetite, and be reluctant to walk or play due to pain caused by the tumor on the bone. Most dogs with osteosarcoma will limp on the affected limb. Swelling is usually noted where the tumor has grown, and the area will be warm to the touch due to of the extreme inflammation. The most common areas for osteosarcomas in dogs are the radius/ulna above the carpus and the tibia/fibula below the stifle/knee, but osteosarcoma of the digits, femur, and hip occur as well.
Destin Keeling
2025-08-01 15:41:16
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Osteosarcoma will often appear in the dog's front limbs near the shoulder, wrist, and knee. That said, your dog's jaw, facial bones, vertebrae, ribs, and rear legs could also be affected by osteosarcoma. The early signs of bone cancer in dogs can difficult for pet parents to recognize since symptoms tend to be subtle.
Loss of appetite and Lethargy are common symptoms of bone cancer that pet parents should watch for. Neurologic signs, such as a wobbly gait, indications of severe pain, discharge from the nostrils, breathing difficulties, swelling in the ribs, spine, legs, or jaw, limping or lameness, and growth of a mass on the dog's body are also signs of bone cancer.
Angelita Bauch
2025-08-01 15:15:04
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Early symptoms of bone cancer in dogs are so subtle that many pet parents don't recognize them straight away. Osteosarcoma often develops in a dog's front legs first, but may also affect your pet's jaw, facial bones, vertebrae, ribs, and rear legs. Some of the most common symptoms of osteosarcoma in dogs include: Swelling in the ribs, spine, legs, or jaw. Severe pain. Mass or lump on the dog's body. Loss of appetite. Limping or lameness. Respiratory distress. Discharge from the nostrils. Lethargy or weakness.
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