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What Is A Dog Oncologist And What Do They Do?

A Dog Oncologist Is A Veterinarian Who Specializes In Diagnosing And Treating Cancer In Dogs
A Dog Oncologist Is A Veterinarian Who Specializes In Diagnosing And Treating Cancer In Dogs

If your dog has been diagnosed with cancer, you might feel scared and unsure about what to do next. This is when a dog oncologist can help. 

This post will look at what a dog oncologist is, what they do, and how they can help your dog if they have been diagnosed with cancer. 


Table of Contents:

What Is A Dog Oncologist?
Scope Of Work For Dog Oncologists
The Importance Of Early Detection And Parent Education

Related: Acute Myeloid Leukemia In Dogs: Diagnosis And Treatment Options, Dog Skin Cancer: Signs, Prevention, And Treatment Options


Disclaimer: This post is meant to be informative and should not be taken as medical advice. Talk to your veterinarian regarding any health concerns you may have for your dog.


What Is A Dog Oncologist?

A dog oncologist is a veterinarian who specializes in diagnosing and treating cancer in dogs. These professionals have advanced training that allows them to offer specialized care for dogs facing various types of cancer.

Specialized Veterinary Training

Dog oncologists begin as general veterinarians before pursuing additional education in oncology. After completing veterinary school, they undergo several more years of training specifically focused on cancer treatment. This includes internships and residency programs that typically take 3-4 years to complete.

During this specialized training, they learn to identify different cancer types common in dogs such as lymphoma, mast cell tumors, and osteosarcoma. They become experts in various treatment modalities including:

  • Surgery.
  • Chemotherapy.
  • Radiation therapy.
  • Immunotherapy.
  • Targeted drug therapies.

This specialized knowledge helps them create comprehensive treatment plans tailored to each dog’s specific condition, age, and overall health status.

Board Certification And Expertise

To become board-certified, veterinary oncologists must pass rigorous examinations after completing their residency. This certification verifies their expertise in cancer diagnosis, staging, and treatment planning specifically for animals.

Board-certified oncologists stay current with the latest research and treatment advances through continuing education. They have the expertise to:

  • Interpret complex diagnostic tests.
  • Develop personalized treatment protocols.
  • Manage treatment side effects.
  • Provide palliative care when needed.

Unlike general veterinarians who treat various conditions, oncologists focus exclusively on cancer cases. When you take your dog to an oncologist, you’re consulting with someone who sees and treats cancer daily, giving them unparalleled experience with even rare cancer types.

Their specialized knowledge often allows them to offer treatment options that might not be available through your regular veterinarian.


Scope Of Work For Dog Oncologists

Dog oncologists have specialized training to handle cancer in dogs. They work with primary veterinarians to provide comprehensive cancer care using advanced diagnostic tools and treatment approaches tailored to each dog’s specific condition.

Cancer Diagnosis In Dogs

Dog oncologists use various methods to diagnose cancer accurately. They perform physical examinations and analyze blood work to check for abnormalities that might indicate cancer. Advanced imaging techniques like X-rays, ultrasounds, CT scans, and MRIs help them locate tumors and determine if cancer has spread.

Tissue sampling is important for diagnosis. Oncologists perform biopsies to collect cells or tissue for examination under a microscope. This helps identify the type of cancer, its grade, and its stage.

Staging is another important step where oncologists determine how far the cancer has progressed. This typically involves checking lymph nodes and examining other organs for signs of spread. Proper staging guides treatment decisions and helps predict outcomes.

Treatment Options And Modalities

Dog oncologists offer several treatment approaches based on your dog’s specific cancer type and overall health:

  • Surgery: Often the first treatment choice to remove tumors when possible.
  • Chemotherapy: Uses drugs to kill cancer cells or slow their growth.
  • Radiation therapy: Uses targeted radiation to destroy cancer cells.
  • Immunotherapy: Helps your dog’s immune system fight cancer. 
  • Targeted therapies: Attacks specific features of cancer cells.

Treatment plans are typically customized for each dog. Factors considered include:

  • Cancer type and stage.
  • Your dog’s age and overall health.
  • Potential side effects.
  • Your goals and preferences for your pup’s care.

Many dogs receive combination therapy using multiple treatment types for better results.

Palliative And Supportive Care

When a cure isn’t possible, dog oncologists focus on improving quality of life. Palliative care manages pain and discomfort using medications, alternative therapies, and supportive techniques.

Nutritional support is important during cancer treatment. Oncologists may recommend special diets or feeding strategies to maintain strength and weight. They also help manage side effects from treatments like nausea, decreased appetite, or digestive issues.

Emotional support extends to pet parents as well. Oncologists help you understand what to expect and how to care for your dog at home. They can guide difficult decisions about continuing treatment or considering humane euthanasia when appropriate.

Regular follow-up visits allow oncologists to adjust care plans as needed and address new concerns promptly.


The Importance Of Early Detection And Parent Education

Finding cancer early in dogs significantly improves treatment success rates. When pet parents know what signs to watch for and maintain regular veterinary check-ups, they can help catch potential issues before they progress too far.

Educating Dog Parents

As a dog parent, you need to know the common signs of cancer. These include unusual lumps or swelling, sores that don’t heal, weight loss, decreased appetite, bleeding, and changes in bathroom habits. Dogs can’t tell you when they feel unwell, so your observations are important.

Regular home checks can help spot problems early. Once a week, gently run your hands over your dog’s body to feel for any new lumps or tender areas. Pay attention to changes in your dog’s energy levels, eating habits, and behavior.

Preventive care is important. Schedule regular veterinary check-ups—at least annually for younger dogs and twice yearly for senior dogs. Some veterinarians now offer cancer screening tests that can detect signs of cancer before symptoms appear.

Collaborative Decision Making

Working together with your dog’s oncologist creates the best outcomes. The oncologist will explain your dog’s diagnosis, treatment options, potential side effects, and prognosis in terms you can understand.

Come prepared to appointments with questions. Ask about different treatment approaches, success rates, quality of life considerations, and costs. Good oncologists welcome your questions and involve you in the decision-making process.

Treatment decisions should balance medical benefits with your dog’s comfort and quality of life. Consider your dog’s age, overall health, and temperament when weighing options. Sometimes, the least aggressive treatment may be the kindest choice.

Discuss realistic goals with your oncologist. In some cases, complete cure is possible. In others, the focus may be on extending quality time with your pup and ensuring comfort.


A dog oncologist is a veterinarian who specializes in diagnosing and treating cancer in dogs. They can help you decide on the best treatment plan for dog’s specific condition and help you provide the best quality of life for them. 

For more information on dog oncologists, please see: Veterinary Cancer Society, Vet Specialists, Dog Cancer, and American Kennel Club Canine Health Foundation.


Please check out our other posts on Health, Indoor, Outdoor, and Travel accessories for your dog, as well as Reviews of various products and travel destinations.