Canine mast cell cancer occurs when cells in the immune system structures in a dog begin to grow uncontrollably, forming tumors. Treatment is available for the disease, though in some cases mast cell cancer does not respond to the treatment or the disease recurs later in a dog's life.
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Breeds
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Certain breeds of dogs are more susceptible to canine mast cell cancer, such as boxers, English bulldogs, Boston terriers, sharpeis, Labrador retrievers, golden retrievers, cocker spaniels and miniature schnauzers, reports Mar Vista Animal Medical Center.
Time Frame
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Although canine mast cell cancer can develop at any age, the average age of dogs with the disease is eight to 10, according to the Merck Veterinary Manual.
Symptoms
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Canine mast cell tumors typically occur on the skin, causing swelling or a lump to appear. The tumor may grow rapidly and feel itchy to the dog, causing it to scratch.
Types
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Stage one canine mast cell cancer is found only in the dog's skin, while stage two has spread to other immune system structures called lymph nodes. In stage three canine mast cell cancer, dogs have many tumors present in one area, while in stage four cases of the disease, the cancerous cells have spread to organs or parts of the dog's body.
Treatment
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In most cases, veterinarians rely on a combination of surgery, radiation and chemotherapy to treat canine mast cell cancer, explains Mar Vista Animal Medical Center. Because treatment can be very expensive, some pet owners opt for euthanasia, especially in older dogs.
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