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AIMS: This article reviews the incidence, etiology, diagnosis, treatment and prognosis of mammary tumors in cats. PRACTICAL RELEVANCE: Approximately 80% of feline mammary masses are malignant, with adenocarcinoma being the most common tumor type. Early diagnosis is, therefore, essential to improve the prognosis and quality of life of affected cats. TREATMENT APPROACHES: Surgery is the most widely used treatment for malignant tumors. However, as mammary tumors are often advanced and metastasis has already occurred by the time of diagnosis, surgery routinely does not provide a cure. Ovariohysterectomy or hormonal therapy are the treatments of choice for fibroadenomatous hyperplasia (the most common benign mass) and usually lead to a successful outcome.
Giménez et al. (Mon,) studied this question.