Types Of Mouth Cancer In Dogs: Average Life Expectancy in Canines

May 26, 2011 | Dog Cancer | Leave a Comment |

Mouth Cancer in Dogs

Mouth cancer is characterized by tumors in the mouth of dogs. Although the 4th most common cancer in dogs, it is among the deadliest. It also has a very low prognosis, the most difficult to treat, and among the fastest to metastasize to other parts and organs of the body.

  • This cancer affects older dogs, rarely affecting young dogs.

    Still, some cases of young dogs with mouth cancers have been reported.

  • Large dog breeds are more susceptible to this ailment than smaller breeds.

Types of Mouth Cancer in Dogs

  • The following are some of the types of mouth cancers that can affect dogs:
    • Benign
      • This cancer does not spread to other parts of the body
      • It can easily be surgically removed
      • Some subtypes are:
        • Oral epulis; this is non-invasive
          • Acanthomatous epulis
          • Ossifying epulis
          • Fibromatous epulis
  • Malignant
    • This cancer spreads quickly to other parts of the body
    • It has roots that grow deeply into the tissues so that surgical removal is difficult
    • Locally invasive malignant tumors
      • Squamous cell carcinoma
      • Fibrosarcoma, soft tissue sarcoma
    • Malignant tumors that tend to metastasize
      • Osteosarcoma
      • Melanoma

Life Expectancy

  • Life expectancy depends on a lot of factors, including:
    • Type of cancer
    • Spread of ailment
    • Age of dog
    • Location of the tumors; tumors located at the front of the mouth are easily removed so that prognosis is often good
    • General health condition

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