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Breast Cancer in Dogs (Canine Mammary Tumor)

Source: PetWave, Updated on August 13, 2015
Breast Cancer

What is Breast Cancer in Dogs

Breast cancer, also known as mammary gland tumors and mammary cancer, is the most common cancer in female dogs, accounting for roughly 50% of all of the tumors in bitches. Breast cancer is uncommon in male dogs, because their mammary glands exist in a very primitive state. “Tumors” are swellings, masses or growths of new tissue that are often referred to as “cancers” or “neoplasms.” They can be malignant or benign. “Malignant” tumors are those that tend to progressively worsen over time and, without treatment (and often even with treatment) almost always eventually result in death. They are invasive, grow uncontrollably and spread (metastasize) to other areas of the body. “Benign” tumors are those that are not malignant – in other words, they typically do not invade nearby tissue, grow uncontrollably or spread widely. The term “breast cancer” encompasses both malignant and benign tumors that originate from mammary gland tissue.

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Disorders Similar to Breast Cancer

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Dog Health Center

Lead Poisoning

Dogs can be poisoned when they ingest lead – especially if they have repeated exposure to the substance. Lead is found in a number of places and in a number of different things

Learn more about: Lead Poisoning