Primary Solid and Cystic Tumours of the Exocrine Pancreas in Cats

Publication date: May 2019Source: Journal of Comparative Pathology, Volume 169Author(s): K. Törner, H. Aupperle-Lellbach, A. Staudacher, M. Staudacher, K. SteigerSummaryTumours of the exocrine pancreas are rare in cats and few cases are described in the literature. Cystic tumours of the pancreas are not included in the World Health Organization (WHO) international histological classification of tumours of domestic animals. The aim of this study was to characterize the pathology of primary epithelial tumours of the feline exocrine pancreas, with emphasis on cystic tumours. We reviewed tumours of the exocrine pancreas in 70 cats, including complete tumours or the entire pancreas (n = 18) and excisional biopsy samples of pancreatic tumours (n = 52). Macroscopically, the tumours were grouped as solid (n = 45) or cystic (n = 25). Solid tumours were subdivided into adenomas (n = 5) and carcinomas (n = 40) and cystic neoplasms into adenomas (n = 15), carcinomas (n = 7) and cases with diverse growth patterns (n = 3). All five grossly solid adenomas had acinar morphology, while the macroscopically solid carcinomas showed acinar (n = 17), tubular (n = 14) or mixed (n = 9) growth microscopically. Cystic adenomas had acinar (n = 2), tubular (n = 12) or mixed (n = 1) growth, while cystic carcinomas had exclusively tubular growth (n = 7). Three cases with cystic lesions showed diverse histopathological growth patterns. The clinical outcome was available in ...
Source: Journal of Comparative Pathology - Category: Pathology Source Type: research