Monthly Archives October 2019

Feline Mammary Gland Adenocarcinoma

Feline mammary gland tumors are the 3rd most common feline tumor and are most commonly diagnosed in middle-aged to older cats.  Incidence of mammary tumors is dependent on when cats are spayed. Cats who are spayed prior to 6 months of age have a 91% reduced risk of developing mammary cancer. Spaying after 2 years does not decrease the risk of developing mammary tumors. Unfortunately, the majority (80-90%) of mammary gland tumors in cats are malignant, and 80-90% will metastasize (spread to other areas of the body) during the course of disease. The most common sites of metastasis include the
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