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Histopathological frequency of feline hepatobiliary disease in the UK

Author:
Bayton, W. A., Westgarth, C., Scase, T., Price, D. J., Bexfield, N. H.
Source:
Thejournal of small animal practice 2018 v.59 no.7 pp. 404-410
ISSN:
0022-4510
Subject:
biopsy, cats, confidence interval, gender, hepatitis, histopathology, liver, neoplasms, odds ratio, United Kingdom
Abstract:
OBJECTIVES: To determine the histopathological frequency of feline hepatobiliary diseases in the UK and to identify breed, age and gender predispositions to developing individual diseases. METHODS: Histopathology results from 1452 feline liver biopsies were assessed. A control population of microchipped cats was used for breed comparison. Data were retrospectively categorised into hepatobiliary diseases according to World Small Animal Veterinary Association standards. Odds ratios and 95% confidence intervals were calculated to determine breed predispositions to the 10 most frequent diseases. Gender and age distributions were also evaluated. RESULTS: The most frequent diseases based on histopathology were neutrophilic cholangitis (20·5%), reactive hepatitis (20·4%), reversible hepatocellular injury (8·4%), lymphocytic cholangitis (6·8%), biliary cysts (5·7%), acute hepatitis (5·6%), haematopoietic neoplasia (5·6%), hepatocellular neoplasia (4·9%), congenital portosystemic shunt (3·8%) and cholangiocellular neoplasia (3·1%). Some previously unreported breed and age predispositions were identified. CLINICAL SIGNIFICANCE: This is the first study to document the histopathological frequency of hepatobiliary diseases in a large cohort of cats in the UK, as well as novel breed and age predispositions. These data may help increase the index of suspicion of a particular disease in the absence of a biopsy‐confirmed diagnosis.
Agid:
6010877