Eye-related neoplasms in dogs: a retrospective study

Keywords: adenoma, canine, dog, eyelid, eye globe, eye-related neoplasms, Meibomian gland, ocular neoplasia, tumor

Abstract

Background: Eye-related neoplasms in dogs have a significant impact on visual ability, comfort, and longevity. Therapeutic alternatives and prognosis vary according to type of neoplasm and its anatomical location. Objective: To describe the frequency and distribution of eye-related neoplasms affecting dogs in Aburrá valley (Antioquia province, Colombia). Methods: A retrospective collection of eye-related neoplasms in dogs, diagnosed at the Animal Pathology Laboratory of Universidad de Antioquia (Colombia), was conducted. Data spanning from years 2005 to 2017 were used. Records included age, sex, breed, neoplasm type and location, and cellular origin of neoplasm. A total of 250 eye-related-neoplasm reports affecting 246 dogs were analyzed -one report per animal, with the exception of four animals with both eyes simultaneously affected by the same type of neoplasm. Results: Animals between 8 and 11 years of age were more frequently affected by eye-related neoplasms (43.9%). Labrador retriever (19.1%), mixed-breed dogs (13.4%), and Poodle (12.2%) were the most frequently affected breeds. Neoplasms affected the eyelid in 76.8% of cases. Meibomian gland adenoma was the most frequent neoplasm (22.8%), followed by Meibomian gland epithelioma (20.0%), squamous cell carcinoma (8.8%), and melanocytoma (7.2%). The cellular origin of neoplasms [i]was epithelial in 73.6% of the cases. Conclusion: Meibomian gland adenoma was the most common eye-related neoplasm. To our knowledge, this is the first retrospective report aimed to eye-related neoplasms in dogs published in Colombia.

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Author Biographies

Julián D. Muñoz-Duque, University of Antioquia

Quirón Pathobiology Research Group, School of Veterinary Medicine, Faculty of Agrarian Sciences, University of Antioquia, Colombia.

María C. Ramírez-Rojas, University of Antioquia

Quirón Pathobiology Research Group, School of Veterinary Medicine, Faculty of Agrarian Sciences, University of Antioquia, Colombia.

Santiago Duque-Arias, University of Antioquia

Quirón Pathobiology Research Group, School of Veterinary Medicine, Faculty of Agrarian Sciences, University of Antioquia, Colombia.

Nathalia M. Correa-Valencia, University of Antioquia
Research Line in Epidemiology and Veterinary Public Health, Centauro Research Group, School of Veterinary Medicine, Faculty of Agrarian Sciences, University of Antioquia, Colombia.  

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Published
2019-11-07
How to Cite
Muñoz-Duque J. D., Ramírez-Rojas M. C., Duque-Arias S., & Correa-Valencia N. M. (2019). Eye-related neoplasms in dogs: a retrospective study. Revista Colombiana De Ciencias Pecuarias, 32(4), 298-311. https://doi.org/10.17533/udea.rccp.v32n4a07
Section
Original research articles