Healthy Dogs-Tumors and Cancers in DogsNews — By nygal on June 21, 2010 at 3:44 am
A tumor is any sort of lump, bump, growth, or swelling. Tumors that are true cancers are called neoplasms. Tumors can be divided into two broad categories: benign and malignant.
Benign tumors grow slowly, don’t invade or destroy neighboring tissue, and don’t spread to other parts of the body. These cancers aren’t usually life-threatening. They are cured by surgical removal, provided that the entire tumor can be removed. Malignant tumors are potentially life-threatening cancers, and are also called carcinomas, sarcomas, or lymphomas, depending on the tissue where they originated.
Cancers invade neighboring tissue and continue to grow in an unrestricted way. At some point, malignant cells part from the primary tumor and enter the lymphatic system or the circulatory system, and establish new colonies in other areas. This process is called metastasizing.
Any new growth on your dog should be examined by a veterinarian.
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