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    PeterDobias.com / Blog / Health Knowledge

    Holistic approach to perianal tumours in dogs

    By Dr. Peter Dobias, DVM

    Dr. Peter Dobias, DVM has 30 years of experience as a veterinarian. His love of dogs and passion for natural healing and nutrition led him to writing, teaching and helping people create health naturally, without drugs, chemicals and processed food.

    Why your dog’s rear end matters

    Today I'd like to write about the topic of perianal gland tumors, sometimes called circumanal gland tumors. These tumors can be benign perianal adenoma or the much less common form, malignant hepatoid gland carcinoma.

    Perianal tumors are three times as common in intact male dogs and their formation is directly linked to the production of testosterone. Some breeds such as Huskies, Pekingese, Cockers and Samoyeds are predisposed to the condition and senior dogs are also commonly affected.

    Beware of this mistake

    A few years ago, a client came to me very upset because her other veterinarian found an anal gland tumor and suggested removing it. This surgery can sometimes end up with anal sphincter weakness and dysfunction and my client wanted my opinion to see if such an invasive surgery was necessary.

    When I reviewed the histology report, it became clear that there was a mistake made in interpreting the results and the dog actually did not suffer from an anal gland tumor, but had a perianal adenoma. Obviously, removing the anal gland itself would be contraindicated.    

    What is the difference between anal and perianal tumors?

    There are several different types of tumors around the anal area.

    Anal glands resemble little blister packs tucked under the skin at the 8 and 4 o'clock position around the anus. There are only two anal glands and their main functions are to detox and for scent marking. You can read more about anal gland problems in dogs here.

    Perianal glands are numerous little openings around the anus, similar to sweat glands. They are very small and cannot be felt on examination. They are located around the anus at the very edge of the skin and the lining of the anus. Their histology, tissue and cell anatomy is different from anal glands. 

    Why do perianal gland tumors happen?

    Similar to any other types of tumors, many factors play a role. 

    Nutrition, deficiencies and toxicity contribute to cancer formation. However, there is one more factor that, in my opinion, adds to increased rates of tumor formation.

    A lesser-known factor in perianal and anal gland tumors

    The second, third and fourth lumbar vertebrae neurologically and energetically supply the anal area. Perianal and anal gland health depends on this region as a source of blood, nerve and energy flow. When the sacral region gets injured, the flow to the anus decreases and cells in the area start deteriorating. Such situation may lead to anal gland problems in dogs and later on to anal and perianal gland tumors. 

    Based on the opinion of my colleague, Dr. Catherine Lavoie, an animal chiropractor, dogs most commonly injure the sacral region by an overextension of the leg and hip joints. High jumping and leaping often cause such injuries. The other cause may be slipping to the side. Based on Dr. Lavoie's opinion, the lumbar-sacral region is one of the top three weakest points of the canine spine.

    Unless a dog is regularly adjusted by an experienced chiropractor, such injuries often remain unrecognized for years. This results in a chronic decrease in energy flow to the anal area, which leads to the increased likelihood of tumors.

    What to do when you see a bump under the skin of your dog's anus?

    The most likely cause is a blocked or abscessed anal gland, but anal and perinatal tumors are also a possibility. In either case, you should see your veterinarian to determine the diagnosis. Such assessments should always include a rectal examination.

    If your dog has a firm growth under the skin, the next step is a fine needle aspirate of the lump to obtain cells for the growth evaluation.

    If your vet is suggesting an immediate biopsy or direct removal of the growth, I suggest you ask for a fine needle aspirate first. It is much less invasive and there is a relatively high chance of getting a conclusive diagnosis. In other words, the histology results will help you determine the right treatment.

    Surgery or not?

    This decision is never easy. Each dog and case are different. Based on reports, 95 percent of male dogs with perianal tumors respond to being neutered. Some people don't like the idea of neutering their dog, but my experience is this may be the best compromise.

    The biggest challenge is the dogs that have not responded to such treatment - neutered dogs and females. Surgery has to be evaluated from several points of view. If perianal growth is small and not growing, I'd recommend monitoring it instead of removal.  

    If it appears to grow rapidly or is ulcerated, there is not much choice but to remove the diseased tissue. I usually recommend herbal Skin Spray to help healing and reduce scarring and discomfort. 

    Post-surgical care and prevention of perianal tumors

    You may find it interesting that I've put these two together. The reason is that to prevent tumor formation, it's important to adjust and reduce the congestion of the sacral region and the same applies for post-surgical care.

    Read more here on general principles of natural cancer prevention. 

    © Dr. Peter Dobias, DVM

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    Dr. Peter Dobias, DVM has 30 years of experience as a veterinarian. He graduated as a Doctor of Veterinary Medicine in 1988 in the Czech Republic and obtained the Canadian Certificate of Qualification in 1995. He is currently licensed in the European Union, and his unique approach to healing and nutrition helps holistically minded dog lovers worldwide.

    Dr. Dobias strongly believes that disease prevention, natural nutrition and supplements, the right exercise and a drug free approach to medicine can add years to your dog's life.

    As a formulator of his all-natural vitamin and supplement line and co-inventor of natural, chemical free flea and tick control, FleaHex® and TickHex®, his unique healing system and products currently hold the highest independent five star customer rating. For more information click here.

    Any general recommendations that Dr. Dobias makes are not a substitute for the appropriate veterinary care and are for informational and educational purposes only.

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