CANINE BLADDER CANCER
Source: www.vet.purdue.edu
Topic: Bladder
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Sort Desciption: Article from Purdue University about this ailment. ... system, the bladder is the location most frequently affected with cancer. ...
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Cancer of the urinary tract in dogs can affect the kidneys, ureters, urinary bladder, prostate, or urethra (see Figure 1). Within the urinary system, the bladder is the location most frequently affected with cancer. Compared to cancer in other locations in the body, bladder cancer is unusual, comprising 1-2% of all cancers in the dog. With more than 65 million pet dogs in the United States, however, even unusual cancers like bladder cancer, are problems for numerous dogs and their families. What is bladder cancer? The most common cancer of the dog urinary bladder is invasive transitional cell carcinoma (TCC) of intermediate to high grade. TCC is a malignant tumor, i.e. cancer, that develops from the transitional epithelial cells that line the bladder. In dogs, this tumor invades into the deeper layers of the bladder wall including the muscle layers. As the cancer enlarges in the bladder, it can cause obstruction to the flow of urine from the kidneys to the bladder or from the bladder to the outside of the body. Canine TCC also has the ability to spread to lymph nodes and to other organs in the body (lung, liver, others). TCC most frequently is found in the bladder, but can also develop in the kidneys, ureters, prostate, and urethra. In regards to human bladder cancer, most cases fall into two general categories: (1) lower grade, superficial tumors, and (2) higher grade, invasive tumors. It is fortunate that the majority of people ...
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