Comparative epidemiological analysis of tumors of the digestive system in dogs and cats.

ABSTRACT:

Introduction

Gastrointestinal (GI) disorders are a leading reason for veterinary care.

Methods

This study analyzed digestive tract tumors in dogs and cats in Portugal using data from the Vet-OncoNet database, focusing on frequency, risk factors, and geographic distribution.

Results and discussion

A total of 1,213 cases were included: 617 dogs (50.9%) and 596 cats (49.1%), with a higher proportion of males (54.9%) than females (45.1%). The most affected organs overall were the small intestine (26.5%) and liver/intrahepatic bile ducts (16.7%). In dogs, tumors were mainly located in the liver and bile ducts (25.8%), rectum (19.0%), small intestine (13.8%), and stomach (8.9%). In cats, the small intestine was the primary site (39.6%), followed by liver/bile ducts (7.4%),

SUBMITTER: Araujo D 

PROVIDER: S-EPMC12661348 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature