What is an ameloblastoma?

Ameloblastoma is one of the more common oral tumour types in veterinary patients. It typically arises near the gum or jaw bone and requires imaging and histopathological biopsy to confirm the diagnosis. Have your vet perform a thorough evaluation and arrange any necessary tests.

What tests are needed to diagnose ameloblastoma?

Common diagnostics include oral inspection and palpation, dental or jaw radiographs, CT or MRI to assess the extent of the tumour, and cytology or biopsy to confirm tissue type. Blood tests may also be required to evaluate the pet's overall health.

How is the treatment approach and prognosis determined?

Treatment depends on the size and location of the tumour. Surgical excision or local management is most common, with regular post-operative imaging for follow-up. Prognosis is related to whether complete removal is achievable and whether bone invasion is present — a specialist veterinary assessment is recommended.

What information should I prepare before the vet visit?

Record when symptoms began, food intake at each meal, and any weight changes. Bring a list of current medications and any previous imaging or reports. This information helps your vet make a faster assessment and plan appropriate tests.

How much do the tests and treatment usually cost?

Costs vary by clinic and region — ask your vet for an estimate before proceeding.

Disease Guide

Ameloblastoma in Dogs & Cats: Symptoms, Diagnosis & Treatment Guide [2025]

Ameloblastoma is a benign oral tumour that rarely metastasises but can invade locally — surgical removal is usually required.

Take 1 minute to check the symptoms first

Last updated: 2026/01/05

Pethealthmap Editorial Team

Sources: WSAVA, ISFM

When to See a Vet

Seek immediate veterinary care (emergency)

•Sudden inability to eat with continued refusal to swallow
•Heavy oral bleeding that does not noticeably subside
•Rapid swelling and obvious deformity of the face or lower jaw

Schedule a veterinary visit soon (within 24–72 hours)

•Frequent drooling or choking while eating
•Often stopping while chewing or reduced food intake
•Gradual, noticeable weight loss over several weeks

01What symptoms indicate a problem?

In dogs and cats, ameloblastoma typically presents as a localised oral abnormality or non-specific systemic changes. Owners most often notice alterations in appetite, activity, and weight first. The following are commonly observable symptoms.

Changes in mental alertness, appearing more lethargic or inactive
Decreased appetite or noticeably reduced food intake at mealtimes
Reduced activity levels, reluctance to run, jump, or play
Changes in toileting habits, such as occasional constipation or diarrhoea
Gradual weight loss or progressive wasting over time

02How to assess an abnormality at home: key observations and criteria for seeking emergency care

Careful observation and record-keeping before your vet visit helps the veterinarian assess the condition and plan appropriate tests — note the timing and trends of any changes.

Record changes in mental alertness and interaction with people daily
Log food intake, dietary preferences, and ease of eating at each meal
Monitor changes in urination and defecation frequency and stool consistency
Observe activity level, ability to jump, and ability to hold or chew food
Weigh your pet at the same time each week and record any changes
If there is oral discharge, bleeding, or any noticeable change in the mouth, seek veterinary care promptly

03How will my vet make a diagnosis? Common diagnostic tests

At the clinic, the veterinarian will perform a full physical examination followed by imaging and histological tests to confirm the location and extent of the lesion and assess any systemic involvement — forming the basis for treatment and monitoring.

Physical examination

oral inspection, palpation, and assessment of the cervical lymph nodes

Radiographs (X-rays)

to evaluate changes in the jaw or surrounding bone and assess spread

CT / MRI

to determine tumour extent and its relationship to bone and adjacent tissues

Haematology and biochemistry

to assess overall health and surgical risk

Cytology or tissue biopsy (histopathology) to confirm tumour type

04What treatment and care are needed after diagnosis? Medications, diet adjustments, and home care guide

Treatment is tailored to the tumour's location, size, and the pet's overall condition, and may include local surgical excision or other localised therapies. Post-operative monitoring and pain management are the cornerstones of aftercare.

Arrange a specialist consultation to discuss the feasibility of surgery or local intervention
Medications or supportive therapy to manage symptoms and improve appetite
Adjust diet or provide nutritional support as directed by your veterinarian
Post-operative home care focuses on pain control and providing a calm, restful environment
Regular imaging or blood tests to monitor tumour changes and treatment side effects
Discuss a long-term monitoring plan and quality-of-life assessment with your veterinarian

05What should I prepare before the vet visit? Key information to help your vet quickly identify the cause

Note when symptoms first appeared and create a timeline of daily changes

List your pet's daily diet, portion sizes, and any food preferences

Compile records of urination and defecation frequency and stool or urine characteristics for your vet

Bring a list of all current medications, supplements, and feeding records

Bring original or digital copies of any previous imaging or test reports

Consider booking a consultation with a vet experienced in oral or oncology cases

This content is for reference only and cannot replace a professional veterinary diagnosis. If your pet shows signs of illness, please seek veterinary care promptly.