By: Dr. Al Townshend

The mouth of both dogs and cats are a common location for growths to occur. They account for 6-7% of canine tumors and 3% of feline growths.

There are two basic types of oral tumors:

  • Benign growths are not cancerous and do not spread outside the mouth.
  • Malignant tumors are cancerous and originate as either a primary tumor in the mouth or tumors that began in another part of the body and spread to the mouth.

Tumor location

The mouth is comprised of multiple tissues, and tumors can occur in any one of them

  •  Gingiva (gum)
  • Lips
  • Tongue
  • Tonsils
  • Bone and cartilage of the upper and lower jaws
  • Structural components holding the teeth in place

Signs of an oral tumor in your pet?

Many pets don’t show any signs until late in the process. Often, the growth is seen during a dental cleaning, physical exam, or when the pet yawns.

  • Drooling (with or without evidence of bleeding)
  • Halitosis (bad breath)
  • Difficulty eating and/or drinking
  • Facial swelling
  • Signs of oral pain (pawing at the mouth, repeated opening/closing of the mouth, and/or lip-smacking)
  • Difficulty opening or closing the mouth completely

How are oral tumors in pets diagnosed?

Diagnosis requires a tissue biopsy to determine the origin and nature of the growth. X-rays can help determine if the bone below other tissues is also involved.

How are oral tumors in dogs and cats treated?

Surgery to remove the growth is the ideal course of action for both malignant and benign growths.

Radiation and chemotherapy may be indicated if clear surgical margins are not achieved with malignant tumors.

Surgeries are always done under anesthesia, so it is also essential to take the opportunity to do a complete deep dental cleaning at the same time.

Radiation can lead to significant side effects due to damage to normal surrounding tissue. Radiation is given daily over a two-to-three-week period.

Chemotherapy tends not to be very effective with oral tumors 

Immunotherapy has been helpful in treating oral melanomas. 

Tumor prevention

Preventing cancer is about the life-style we choose for ourselves and our pets, and in spite of all the very best intentions, cancer is still an all-too-common condition for our pets and for us as well. Key factors would include:

  • Quality, species appropriate nutrition
  • Regular exercise
  • Safe and toxin-free environment
  • Less stress
  • Supplements that reduce inflammation and enhance the immune system

If you do suspect a tumor in your dog or cat, it’s best to consult your veterinarian to understand what’s really happening.

If you are facing a diagnosis, Kali’s Wish is here to help! Learn more about our free programs and services on our Homepage, and visit our Health Hub for more pet cancer resources.

No one should face pet cancer alone.