Are there different types of mammary gland tumors in cats?
Between 80% and 90% of mammary gland tumors in cats are malignant. ADC of the mammary gland is most common in cats, with solid carcinoma and sarcoma being less common. Lobular hyperplasia (rapid growth of cells) is a benign condition that can occur in intact female cats of any age (average age 8 years). This condition is due to the development of cysts or dilated ductuals within the mammary gland and which takes on the form of obvious masses in the affected gland. Fibroepithelial hyperplasia is a benign condition of mammary glands of young, intact, cycling or pregnant cats. This condition can also develop in cats treated with megestrol acetate (ovaban). The glands can become extremely enlarged and edematous, with edema affecting the skin of the back legs. Spay after the swelling has been controlled is the treatment of choice for both of these benign conditions of mammary gland tissue. What diagnostic tests should be performed? Complete excisional biopsy and histopathologic analysis of
