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. 2023 Sep 20;67(3):437-446.
doi: 10.2478/jvetres-2023-0048. eCollection 2023 Sep.

Incidence and the risk of occurrence of benign and malignant canine skin tumours in Poland - a five-year retrospective study

Anna Śmiech  1 , Kamila Bulak  1 , Wojciech Łopuszyński  1 , Agata Puła  2
Affiliations

Incidence and the risk of occurrence of benign and malignant canine skin tumours in Poland - a five-year retrospective study

Anna Śmiech et al. J Vet Res. .

Abstract

Introduction: The aim of the study was to compile data on the frequency and distribution of canine skin tumours and determine the risk of these being malignant as opposed to benign. This determination proceeded from tumour histogenesis and gave consideration to the dog's breed, sex, age and the anatomical location of tumours.

Material and methods: This retrospective five-year epidemiological study included 3,139 canine skin tumours collected in Poland. A univariable logistic regression analysis was performed to determine the odds ratios (ORs) with 95% confidence intervals (CIs).

Results: Microscopic analysis showed a significant predominance of benign tumours (65.02%) as well as mesenchymal and melanocytic tumours (59.57%). The most frequently diagnosed were mast cell tumours, accounting for 13.79% of all skin tumours, and other common tumour types were lipomas (6.40%), haemangiopericytomas (5.96%) and malignant melanomas (4.65%). The risk of malignant versus benign tumours was 1.212 times higher in the female than in the male dogs. A higher risk of development of malignant epithelial tumours was found in boxers (OR 4.091), German shepherds (OR 4.085) and flat-coated retrievers (OR 43.596). A higher risk of development of malignant mesenchymal tumours was found in golden retrievers (OR 4.693), boxers (OR 2.342), bulldogs (OR 3.469) and Maltese (OR 2.757).

Conclusion: The results may serve as a reference point for further studies of the complex biology of canine skin tumours.

Keywords: breed predisposition; canine skin tumours; incidence; odds ratio; retrospective study.

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Conflict of interest statement

Conflict of Interests Statement: The authors declare that there is no conflict of interests regarding the publication of this article.

Figures

Fig. 1.
Fig. 1.
The incidence of skin tumours in dogs in 2016–2021
See this image and copyright information in PMC

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