Abstract
This paper presents the results of the study of various pathomorphological forms of breast tumors in the population of domestic cats of the Rostov region. 73247 case histories were analyzed in 8 leading veterinary clinics of Rostov-on-Don and Bataysk city, and also 30 resections of a breast were made with the subsequent histological research. The incidence of breast tumors in the population of cats of the Rostov region in 2018 was 438 animals per 100000. According to the results of 187 cytological findings, “malignant neoplasm” was diagnosed in 53% of cases (48% - carcinoma, 5% - sarcoma). The histological examination revealed malignant tumors in 80% of cases (77% - invasive nonspecific carcinoma, 3% – malignant leaf-shaped tumor). Taking into account the fact that about 1.5(±76 thousand) million cats live in the Rostov region, it can be assumed that 0.44% (p-95%, confidence interval 0.38%-0.50%) will have a breast tumor, about 80% (p-95%, confidence interval 55%-94%) of which will be malignant.
Highlights
More than 10,000 years ago, a man from all wild predatory animals chose to domesticate a dog for his ability to guard the territory and help in hunting, and a cat, for his ability to protect food supplies from rodents
Pets have become members of our families, they give us their love in return for food, accommodation and treatment [1,2]. Such close contact between a person and his animal means that our pets are exposed to the same carcinogenic factors that a person is exposed to in a modern house
We chose a domestic cat (Félis cátus) as the object of our study because no other animal lives in such close contact with humans
Summary
More than 10,000 years ago, a man from all wild predatory animals chose to domesticate a dog for his ability to guard the territory and help in hunting, and a cat, for his ability to protect food supplies from rodents. Pets have become members of our families, they give us their love in return for food, accommodation and treatment [1,2]. Such close contact between a person and his animal means that our pets are exposed to the same carcinogenic factors that a person is exposed to in a modern house (exposure to electrical appliances, carcinogens in household chemicals, construction and finishing materials, in plastic products and paint products). Our study is relevant in the field of veterinary medicine, and opens up the possibility of using the domestic cat population as a model of spontaneously arisen forms of breast cancer in the human population [6,7]
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