Patient and tumour factors influencing canine mast cell tumour histological grade and mitotic index

Reynolds, Benjamin D., Thomson, Maurine J., O'Connell, Kathleen, Morgan, Elizabeth J., and Gummow, Bruce (2019) Patient and tumour factors influencing canine mast cell tumour histological grade and mitotic index. Veterinary and Comparative Oncology, 17 (3). pp. 338-344.

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Abstract

The aim of this study was to identify patient and tumour factors most frequently associated with high histological grades of canine mast cell tumours (MCTs). Search criteria in a shared database of multiple Animal Referral Hospital locations within Australia generated 400 canine MCTs in 286 patients. Patient and tumour data were extrapolated and the association between a tumour being histologically high grade and patient and tumour factors, including: patient breed, patient gender and neuter status, patient age at MCT excision, tumour location and tumour size was assessed using univariate analysis. The study consisted of 90 (21.9%) tumours meeting histological high-grade criteria. Shar peis were the most likely breed to have high grade MCTs, whereas the Pug and the Golden Retriever were the least likely breeds to develop high-grade MCTs. No significant difference in risks could be established between the age at which the tumour was excised, or the gender and neuter status of patients. MCTs of the inguinal region were the most likely single location to be high grade. Tumour size did not influence the likelihood of a tumour being high grade or low grade. The results of this study suggest that patient and tumour factors may play a role in the histological grades of canine MCTs.

Item ID: 60418
Item Type: Article (Research - C1)
ISSN: 1476-5829
Keywords: breed, grade, histopathological, location, MCT, size
Copyright Information: © 2019 John Wiley & Sons Ltd
Date Deposited: 04 Sep 2019 07:33
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070706 Veterinary Medicine @ 100%
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