Nasal Tumours in Dogs: Signs, Diagnosis and Treatment Options
Nasal tumours in dogs can be difficult to recognise in the early stages.
One of the reasons for this is that the first signs can look very similar to much more common nasal problems. A dog who starts sneezing or develops nasal discharge doesn't immediately make us think "nasal tumour", and in many cases there will be another explanation.
But when those signs persist, become progressive or don't respond as we'd expect, it may be time to investigate further.
So, what should we be looking for, how do we investigate a suspected nasal tumour, and what treatment options might be available?
What are the signs of a nasal tumour in dogs?
Nasal tumours often begin with fairly non-specific symptoms.
Signs to watch for include:
Sneezing
Snoring or noisy breathing
Nasal discharge
Nosebleeds
The important point here is that these signs aren't specific to cancer. They can occur with other nasal conditions too.
However, if they persist or become progressively worse, further investigation may be recommended.
It's the pattern of the clinical signs, alongside the individual patient's history and examination findings, that helps us decide what we need to do next.
How are nasal tumours in dogs diagnosed?
If we're concerned about a possible nasal tumour, we need to understand what's happening inside the nasal cavity and how extensive the disease may be.
Depending on the individual case, investigation may involve one or more of:
Radiographs (X-rays)
CT imaging
Rhinoscopy, where a camera is used to examine the nasal passages
These investigations can provide important information to help guide treatment planning and give us a better understanding of prognosis.
This is an important stage of the process because treatment shouldn't be considered in isolation. We need to understand the disease we're dealing with and what we're hoping to achieve for that particular patient.
How are nasal tumours in dogs treated?
For many canine nasal tumours, radiotherapy remains the cornerstone of treatment.
Radiotherapy is delivered through specialist centres, and there are different approaches available depending on the individual dog and the goals of treatment.
This is where conversations around treatment can become very individual.
Some protocols may aim to maximise tumour control and longevity, while others place a greater emphasis on relieving symptoms and maintaining comfort.
When I'm discussing these options with a vet or owner, we're therefore not simply asking: "Can this tumour be treated?"
We're also asking:
"What are we hoping to achieve from treatment for this particular dog?"
Those aren't necessarily the same question.
Is radiotherapy the only treatment option?
No. Treatment isn't always radiotherapy alone.
Depending on the individual patient and clinical circumstances, some dogs may also benefit from COX-2 inhibitor medication or tyrosine kinase inhibitor (TKI) therapy.
These may be considered alongside radiotherapy or, in selected cases, as part of an alternative approach. Research is continuing to establish which patients are most likely to benefit.
Again, this is why an individualised approach is so important.
Choosing the right treatment for an individual dog
One of the difficult things about cancer care is that there is rarely one universal "right" answer.
A treatment plan that makes complete sense for one patient and family may not be appropriate for another.
When considering treatment for a dog with a nasal tumour, we need to balance factors including:
Disease stage
Available treatment options
Quality of life
The owner's goals
Practical considerations surrounding treatment
Travel and logistics can matter too, particularly when treatment needs to take place at a specialist radiotherapy centre.
For me, good oncology care is about helping owners understand those options clearly enough to make a decision that feels right for their pet and their circumstances.
What if an owner doesn't want to pursue radiotherapy?
This is another important conversation.
Choosing not to pursue radiotherapy doesn't mean that there is nothing more we can discuss.
Depending on the case, there may be other approaches that can form part of the treatment plan, and our priorities may shift towards symptom relief, comfort and quality of life.
The important thing is that owners understand what the available options are, what we realistically expect from them, and how those choices relate to the goals they have for their pet.
Specialist support for canine nasal tumour cases
Nasal tumour cases can involve a number of decisions, from determining which investigations are worthwhile through to discussing radiotherapy, alternative treatment approaches and quality of life.
At OncoTails, I work with veterinary teams and pet owners to help make those decisions clearer and support an individualised approach to cancer care.
OncoTails support includes telemedicine consultations, virtual case discussions, pet owner video consultations and face-to-face consultations in Essex.
Managing a suspected or confirmed nasal tumour?
Dr Sarah Mason FRCVS
Veterinary Oncologist & Founder, OncoTails
Frequently asked questions about Canine Nasal Tumours
What are the signs of a nasal tumour in a dog? Signs can include sneezing, snoring or noisy breathing, nasal discharge and nosebleeds. These symptoms can also occur with other nasal conditions, so persistent or progressive signs may warrant further investigation.
How are nasal tumours in dogs diagnosed? Investigation may involve radiographs (X-rays), CT imaging and rhinoscopy, depending on the individual patient. These investigations can help establish the extent of disease and guide treatment planning and prognosis.
What is the main treatment for nasal tumours in dogs? Radiotherapy is a cornerstone of treatment for many canine nasal tumours. Different approaches may be considered depending on treatment goals, expected outcomes, practical considerations and the dog's comfort and quality of life.
Are there treatments other than radiotherapy? Some dogs may also benefit from COX-2 inhibitor medication or tyrosine kinase inhibitor (TKI) therapy. These may be used alongside radiotherapy or as part of an alternative approach in selected cases.
How is the right treatment chosen? Treatment decisions should be individualised and may take into account the stage of disease, available treatment options, quality of life, owner goals and practical considerations.
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