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Title: Epidemiology of canine cutaneous round cell tumours on the canary archipelago in Spain
Authors: Rodríguez Torres, José 
Santana Del Pino, Ángelo 
Andrada Borzollino, Marisa Ana 
Herráez Thomas, Pedro Manuel 
Killick, David R.
Espinosa De Los Monteros Y Zayas, Antonio 
UNESCO Clasification: 32 Ciencias médicas
3109 Ciencias veterinarias
320713 Oncología
Keywords: Breed
Cutaneous Neoplasia
Histiocytoma, et al
Issue Date: 2023
Journal: Veterinary and Comparative Oncology 
Abstract: In this study we undertook a comprehensive analysis of a Pet Tumour Registry of the Canary Archipelago (PTR-CA) in Spain to investigate the epidemiology of canine cutaneous round cell tumours. From a database of 2526 tumours collected from 2003 to 2020, we conducted a longitudinal analysis of the main trends in diagnosis, age, multiplicity and anatomical distribution as well as a case–control study comparing these cases with the contemporaneous canine population of the Canary Archipelago to analyse breed distribution. In line with former studies, we found histiocytomas mostly affect young dogs (2, IQR 1–5) and mast cell tumours affect middle-to-old dogs (8, IQR 6–10) with grade 1 affecting at younger ages (6.5, IQR 6–8) than both grade 2 (8, IQR 6–10 years) and grade 3 (9, IQR 7–11). Histiocytomas and plasmacytomas showed a similar anatomical distribution appearing mainly on the face, head and neck regions while mast cell tumours occur mainly on limbs and trunk. Higher risk for mast cell tumours and histiocytomas were found for Bulldog-related breeds such as Boxer (ORMCT = 23.61, CI95%: 19.12–29.15, ORHCT = 10.17, CI95%: 6.60–15.67), Boston Terrier (ORMCT 19.47, CI95%: 7.73–49.05, ORHCT 32.61, CI95%: 11.81–90.07) and Pug (ORMCT 8.10, CI95%: 5.92–11.07, ORHCT 7.87, CI95%: 4.66–13.28) while Chihuahua dogs showed significantly less risk (ORMCT 0.18, CI95%: 0.09–0.33, ORHCT 0.41, CI95%: 0.21–0.78). Notably, the Canarian Mastiff, a local breed, had a low risk of suffering from a mast cell tumour which raises the question of whether this relates to a genetic peculiarity of this breed or some husbandry and environmental factor.
ISSN: 1476-5810
DOI: 10.1111/vco.12899
Source: Veterinary and Comparative Oncology[ISSN 1476-5810], (Enero 2023)
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