Canine Prostate Cancer
"Canine Prostate Cancer can occur in every breed. All dogs can get the disease including those that have been neutered/castrated. Treatment options include surgery, chemotherapy, radiation and natural supplements."
There are several types of canine prostate cancer carcinomas including adenocarcinomas (cancer that develops on the inner surface of an organ), transitional cell carcinomas (called TCC and is cancer in the renal or bladder gland), and undifferentiated carcinomas. It is common for the cancer to spread to the bone (bone metastasis) and form on the bone (called osteoproductive lesions).
Canine Prostate Picture
Dog Prostate Cancer SymptomsUrination and Urinary tract problems are often seen with canine prostate cancer. These include an obstruction in the urethra and trouble urinating (dysuria). Other signs may include difficulty urinating or straining when defecating (tenesmus). If bony metastasis is present, pain, abnormal walk or gait, and problems with the muscles (myelopathic signs) may be present.
Detection of Dog Prostate CancerUnfortunately, prostate cancer in dogs is difficult to diagnose since tests for the disease in humans do not work on dogs. The reason is that human prostate cancer is based on test for PSA where dogs give off something called CPSE (canine prostate specific esterase).
Canine Prostate Cancer
Picture: Dog Prostatic Adenocarcinoma
Dog Prostate Cancer TreatmentSince the disease is not caused by the same things as it is in humans, there are limited treatment options (eg; drugs such as antiandrogens do not work).
Treatment includes surgery (prostatectomy), radiation therapy, and adjuvant chemotherapy. The disease is insensitive to chemotherapy, although it is still used as part of the treatment. Radiation therapy has been shown to help slow down the disease.
You could also consider natural supplements that have a track record for slowing prostate growth. A good source to explore is ProsPet for pet prostate problems.
Life Expectancy of Dogs with Canine Cancer ProstateBecause diagnosis is so difficult, the disease usually is not diagnosed until is has fully developed. Because of this the median life expectancy of dogs with the disease is 30 days. This can be extended to just less than a year with the chemotherapy drugs mitoxantrone and carboplatin with anti-inflammatory agents.
National Cancer Institute
Center for Cancer Research
Comparative Oncology Program
Pictures from Washington State University
College of Veterinary Medicine
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