Brain Tumors In Dogs (Diagnosis, Treatment & Causes)

Brain Tumors in Dog is the  commonest form of brain cancer in dogs it may be meningioma or a glioma. Brain Tumors are prone to older dogs.

We will provide you with all the information you need to know about the disease including the Signs of Brain Tumor in Dogs as well as the treatments available. Ensure you read through to the end.

Brain Tumors In Dogs (Diagnosis, Treatment & Causes)

Brain Tumors in Dog is a reality that unfortunately occurs in the life of our dear pets. Canine brain tumors occur at any age and in any breed, and both sexes can suffer from the disease.

Brain Cancer in Dog
Brain Cancer in Dog

Types Of Brain Tumour In Dogs.

There are two types of brain tumors in dogs, primary brain tumors and secondary brain tumour.

Primary brain tumors include tumors that originate from the tissues of the brain or immediate surroundings of the brain.

Furthermore, secondary brain tumors are characterized as glial (composed of glial cells) or non-glial (originates on or in the structures of the brain such as the nerves, blood vessels, and glands). They can also be benign or malignant.

#1. Meningiomas Brain Tumour.

Meningiomas brain tumor is responsible for 50% of the brain cancer in dogs. It originates from the brain or spinal cord, and it is overall the most common type of primary brain tumor.

#2. Gliomas.

A glioma brain tumor is responsible for 35% of brain cancer in dogs that originates also from the brain or spinal cord. Plus, it begins in the gluey supportive cells (glial cells) that surround the nerve cells.

#3. Choroid Plexus Tumors.

Choroid Plexus Tumours are primary tumours that begin in the brain or spinal cord. It is a rare brain tumor in dogs compared to the above two.

#4. Ependymoma.

Ependymoma is a type of brain tumor that can form in the brain or spinal cord and it begins in the ependymal cells in the brain and spinal cord that line the passageways where the fluid (cerebrospinal fluid) that nourishes your brain flows.

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#5. Germinoma.

A germinoma is a type of germ cell tumor commonly found in the brain. This occurs when cells typically migrate to the gonads during fetal development and become an egg in female ovaries or sperm in male testes. This is a rare brain tumor in dogs.

#6. Embryonal Tumors.

Embryonal tumors start in the fetal cells in the brain and it can occur at any age, but most often occur in puppies.

Secondary brain tumors include tumours that originate in other body sites and then metastasize (spreads) to the brain. It is considered to be an advanced form of cancer.

As a result, most types of primary cancer have the tendency of spreading to the brain. Secondary cancer includes Hemangiosarcoma, Lymphoma, Metastatic Carcinomas

Causes Of Brain Tumors In Dogs.

Brain Tumors in Dog has been a concern over the years and it has led to several types of research to find out the cause of this disease in dogs, there remains a definitive cause to be found out till-date. Nonetheless, research on the cause of the disease remains ongoing.

Howbeit, it is believed that dietary, environmental, genetic, chemical, viral, traumatic, and immune system factors may also be involved in the cause of the disease.

Signs And Symptoms Of Brain Tumor In Dogs.

pictures of Brain Tumors in Dog
pictures of Brain Tumors in Dog

The Signs of Brain Tumor in Dogs vary depending on the degree of the disease. Overall, there are signs and behavioral patterns your dog will exhibit which serve as a pointer that it suffers from a brain tumor.

The most profound sign of brain tumor in dogs is seizures. Once you observe that your dog has seizures and it has reached 5 years of age or older, a brain tumor must be considered as a possibility.

Other Signs of Brain Tumor in Dogs may include abnormal behavior/mental activity, abnormal vision, circling, wobbly gait, head tilt, hypersensitivity to neck pain, and more.

As a pet owner, you should be observant and monitor your pet for changes in behavior.

Diagnosis Of Brain Tumors In Dogs.

Brain Tumors in Dog is generally diagnosed through medical examinations such as MRI and CT scan.

These examinations make it possible to easily detect brain tumors through the imaging results. It shows clearly the size of the tumor and the position it is in the brain.

Likewise, brain tumour can be diagnosed through laboratory examinations from blood, urine or spinal fluid samples.

Also, Chest X-ray is another method of diagnosing the disease especially to find out whether the tumor has spread to other body areas.

Treatment Of Brain Tumors In Dogs.

Now that you are aware of the possibility of Brain Tumors in Dog and as well get acquainted with the Signs of Brain Tumor in Dogs, it will interest you to find out the available remedy or treatments to rid your dog of the disease.

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Interestingly, there are several treatments approach available. However, effective treatment depends on the stage of the tumor. Also, early detection of the tumor is vital to make any choice of treatment effects.

#1. Neurosurgery.

The common treatment for brain tumour in dogs is neurosurgery. Over time, it has proven to be effective, that is if the tumor is detected early and it has not spread to another area of the body. Also, the tumour can be fully removed during surgery.

#2. Chemotherapy.

Another common tumor or cancer treatment is chemotherapy. it is used ideally to treat cancers that has spread to other body areas, meaning it affects the entire body.

Nonetheless, chemotherapy is not as effective as surgery for primary brain tumors. Also, chemotherapy can shrink the tumor and improve clinical signs.

#3. Palliative.

The next treatment option is Palliative therapies. This is more of managing the cancer situation than treatment. Palliative therapy aims at easing pain and providing comfort for your dog through the use of medications that reduce brain inflammation, reduce seizures, and control pain.

#4. Radiation Therapy.

Radiation therapy is another effective method to treat dogs suffering from a brain tumours. The process can be administered alone or in combination with other treatments.

There are several types of radiation therapy including Stereotactic Radiation (SRS/SRT), and Conventionally Fractionated Radiation Therapy (CFRT).

In addition to the above treatment options, the use of steroids can help to decrease fluid buildup or to slow the growth of a brain tumor.

Life Expectancy Of Dogs With Brain Tumour.

The life expectancy of dogs with brain tumors depends on the type of brain tumor and the method of treatment pursued.

Researchhas shown that the prognosis for a dog with a primary brain tumor may improve significantly by neurosurgical removal of the tumor, radiation therapy, and/or chemotherapy.

But once cancer has spread to other body areas, the chance of lengthy life expectancy is very minimal.

Dogs that suffer from gliomas and have undergone advanced radiation therapy can live up to 20-24 months, while dogs that suffer from meningiomas and have undergone advanced radiation therapy can live 20 – 24 months.

Dog Brain Tumor Natural Treatment.

We also deemed it important to include the other treatment options outside the clinical approaches.

Aside from a medical approach to treat brain tumors in dogs, attempts can be made using Dog Brain Tumor Natural Treatment.

Natural treatment often involves using home remedies and a high omega, low inflammatory cancer diet.

Dog Brain Tumor Natural Treatment is effective to prevent metastasis or the spread of cancer through the bloodstream.

Also, for animals that have lost appetite, which often accompanies cancer, these natural treatments are used to stimulate the appetite.

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There are different varieties of Dog Brain Tumor Natural Treatment produced by various companies. Also, you need to consider the diet of your dog because it is vital to boost its immune system.


following are the commonly asked questions about Brain Cancer in Dogs;

What Are The Symptoms Of A Dog Having A Brain Tumor?

Following are common symptoms associated with Brain Cancer in Dogs;

  • Seizures.
  • Abnormal mental activity or conduct.
  • A vision that is abnormal.
  • Circling.
  • Walking with a shaky stride.
  • The head is tilted to the side.
  • Intolerance for neck pain.

How Long Do Dogs Live With Brain Tumors?

Dogs with brain tumors that were clearly detected at necropsy had a median survival time of two months after brain imaging diagnosis.

The reported median survival time in dogs with surgically removed meningiomas is about seven months.

Do Dogs With Brain Tumors Suffer?

Unfortunately, brain tumors in dogs and cats are just as common as they are in humans. Animal brain tumors can be fatal and, unfortunately, most animals cannot be healed.

Are Brain Tumors In dogs fatal?

Unfortunately, brain tumors in dogs and cats are just as common as they are in humans. Animal brain tumors can be fatal and, unfortunately, most animals cannot be healed.

How Do They Test For Brain Tumors In Dogs?

The only way to definitively diagnose brain tumors in dogs is to take a tissue sample. Radiographs (x-rays) or ultrasonography of other anatomical sites can be utilized to find or rule out initial cancers that have progressed to the brain.

Do Brain Tumor Symptoms Come On Suddenly?

Brain or spinal cord tumor signs and symptoms might appear gradually and worsen over time, or they can appear suddenly, such as during a seizure.

How Do You Treat Brain Tumors In Dogs?

Tips for dealing with a dog who has a brain tumor

  • Medication consistency is important.
  • Food, drink, and a comfortable location are all within easy reach.
  • Brain-boosting diets and substances are available on prescription.
  • Separation from other animals in order to avoid fights or injuries.
  • Handle with caution and avoid making unexpected movements.

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From the discussion above on Brain Tumors in Dog, it is glaring that pets do suffer similar illnesses to humans. W

included in our discussion all that you need to know about the disease as well as the signs and symptoms, treatments, and life expectancy of dogs that suffer from the condition.

Importantly, once your dog is diagnosed of the disease, ensure you visit a professionally certified vet doctor for advice and the best treatment plan.


Author: David Arthur

David's lifelong passion for animals blossomed into a dream profession in 2020. He founded Petscareway Inc., a professional pet care company situated in the Texas. Several veterinarians have educated him in Pet First Aid and CPR since 2003. David decided to become a certified Pet First Aid and CPR instructor in 2011 after completing an instructor training course. David decided he had to be a part of ProPetHero when he discovered them in 2016 and saw how they were offering ER veterinarian-led training to everyone. As a result, he became a member of the ProTrainings family, the designers of ProPetHero. He volunteers and fosters for The Boxer Rescue Inc in his spare time, is a health-conscious Boxer breeder, and is a member of the Middlesex Boxer Club and Wachusett Kennel Club. David has served as a mentor to many people in the pet industry and in the small company world. When he's not working or helping, he's competing with his dogs in agility, lure coursing, and conformation trials across the country. David can be seen training with his puppies, hiking with them on trails, or playing in his backyard when he is not at a trial or trying to find a nice home for a Boxer through the rescue.

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