Feline mammary tumors: a case-control study of hormonal factors.

摘要: Feline mammary carcinomas are, like human breast cancers, spontaneous, locally infiltrative and metastasizing tumors. Therefore, this tumor disease in the cat can serve as a pathogenetic experimental-therapeutic model for counterpart. In cat, woman, little is so far known with certainty about hormonal background of order to elucidate role endogenous exogenous factors, case-control study was conducted. Data on age, history castration, parity progestogen administration were compared cats malignant or benign tumors one hand, control group other. The statistical relative risks their significance assessed using conditional logistic regression analysis. our there tendency be found that older than those bearing Ovariectomy protect against but not No association between risk found. Regular progestogens associated an increased both carcinoma However, true irregular and, general, earlier appearance