COMPARATIVE ASPECTS OF MONITORING ONCOLOGICAL DISEASES IN DOGS IN THE CONDITIONS OF THE CITY OF KAMIANETS- PODILSKY
Keywords:
tumor, mammary gland, blastogenesis, dog, sex hormones, oncology, castration, cancer.Abstract
According to reports from leading domestic and foreign specialists, cancer in dogs occupies a significant share of all non-communicable diseases, in which 4 million new cases of cancer are detected annually. The most common in dogs are spontaneous mammary tumors, which are similar in their biological, clinical, pathological and other features to human breast cancer. The paper presents the results of monitoring the spread of certain forms of cancer in dogs over the past five years in the city of Kamianets-Podilskyi. The features of the organ localization of tumors, the age dynamics of mammary gland neoplasms in bitches, and the clinical manifestation of neoplasms were studied. The pattern of the frequency of tumor lesions in individual organs in dogs (organ localization) was established. According to the results of the monitoring, the leading place belongs to mammary tumors, the second and third places were shared by tumors of the skin and subcutaneous tissue and genital organs. Mammary tumors in bitches account for about half of all neoplasias in dogs, and their frequency increases with the age of the animals, the peak of which was in the age range from 7 to 12 years. Malignant tumors were more common in the first half of life (up to 6-7 years), while benign tumors prevailed in older individuals (after 8-10 years). Single mammary tumors were diagnosed in 62.5% of bitches, multiple lesions of various sizes - in 37.5%. Uncastrated females were mainly affected, which confirms the leading role of sex hormones in the development of mammary tumors in bitches. The data obtained can be used for further study of the nature of neoplasms in mammals, prediction of their genesis and prevention.
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