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Sadly, lymphoma is a fairly common disease in dogs — out of all canine cancer diagnoses, lymphoma makes up a good portion. Pet Cancer Awareness Month is the perfect time to learn about this scary yet treatable disease. Here’s what you need to know about canine lymphoma.
Every year there is one day also set aside within the Month of November to highlight Canine Lymphoma. National Canine Lymphoma Awareness Day was founded by a dog trainer whose dog passed away from canine lymphoma. It’s an important time for pet owners to educate themselves about the signs and symptoms of lymphoma and to make sure their dogs are safe and healthy.
Lymphoma is a cancer of the lymphocyte, the major white blood cell that’s found in lymph nodes. The lymphatic system includes lymph nodes, spleen, and tonsils, and it works to carry fluid throughout the body and defend the body from infections. Lymphoma can either be centered in a specific area or spread through the whole body; often, cancer starts in the lymph nodes and then spreads to other organs.
Main Types of Lymphoma
We can concentrate this section to the four main types of lymphoma in dogs:
There are many types of canine lymphoma. Some are easy to treat because they are slow-moving, while others can be very dangerous if not caught soon enough. Canine lymphoma is very similar to non-Hodgkins lymphoma in humans.
For most dogs who have lymphoma, the first symptom they can exhibit is enlarged lymph nodes. You can find lymph nodes under your dog’s jaw and behind the knee; the lymph nodes will feel like hard lumps to the touch. Loss of appetite and general lethargy will also present as symptoms. Dogs will also exhibit different symptoms based on the specific type of lymphoma they have. Gastrointestinal lymphoma can produce symptoms such as diarrhea, vomiting, and weight loss. Mediastinal lymphoma can come with difficulty breathing as well as increased thirst.
Lymphoma can be diagnosed through a simple needle aspiration, a painless procedure where a needle removes cells from a lymph node. Often, dogs may undergo additional tests that help the veterinarian tell how far cancer has progressed. These tests are generally non-invasive, such as a chest X-ray or a urine analysis.
Most cases of canine lymphoma are treated with chemotherapy; surgery or radiation therapy might be part of the treatment plan too. Chemotherapy attempts to kill all of the cancer cells so the patient goes into remission.
According to the VCA Animal Hospital, there are also several breeds that may be predisposed to this type of cancer:
The cause of canine lymphoma is not known. Immune suppression might be a factor; viruses and bacteria could also play a role.
Nothing in this article should be construed as financial, legal or veterinary advice. Please consult your own advisors for questions relating to your and your pet’s specific circumstances.
1 Pet Insurance offered by MetLife Pet Insurance Solutions LLC is underwritten by Independence American Insurance Company (“IAIC”), a Delaware insurance company, headquartered at 485 Madison Avenue, NY, NY 10022, and Metropolitan General Insurance Company (“MetGen”), a Rhode Island insurance company, headquartered at 700 Quaker Lane, Warwick, RI 02886, in those states where MetGen’s policies are available. MetLife Pet Insurance Solutions LLC is the policy administrator authorized by IAIC and MetGen to offer and administer pet insurance policies. MetLife Pet Insurance Solutions LLC was previously known as PetFirst Healthcare, LLC and in some states continues to operate under that name pending approval of its application for a name change. The entity may operate under an alternate, assumed, and/or fictitious name in certain jurisdictions as approved, including MetLife Pet Insurance Services LLC (New York and Minnesota), MetLife Pet Insurance Solutions Agency LLC (Illinois), and such other alternate, assumed, or fictitious names approved by certain jurisdictions.