Canine gastric polyps are predominantly hyperplastic, and endoscopic polypectomy is a safe and effective treatment associated with no recurrence during follow-up.

Canine gastric polyps are universally hyperplastic; endoscopic polypectomy is safe, effective, and associated with no recurrence.

This retrospective study from the University of Bologna characterized gastric polyps in dogs over a 5-year period (2020–2024), evaluating clinical presentation, endoscopic features, histopathology, and outcomes of endoscopic polypectomy. Among 574 canine gastroscopies performed, 57 dogs were diagnosed with gastric polypoid lesions, yielding a detection rate of 9.9%. Polyps were solitary in 54.4% of cases and multiple in 45.6%, with the gastric antrum being the most common location (77.2%). Notably, all polyps were confirmed as hyperplastic on histopathology, with no cases of primary gastric neoplasia included. Endoscopic polypectomy was performed in 17 of 57 dogs using either cold biopsy forceps or electrosurgical snare. No intraoperative complications were reported, and mild postoperative complications occurred in 5 of 17 dogs. Clinical signs resolved in all but one case, with no recurrences documented over a median follow-up of 16 months. Polyps exceeding approximately 10 mm were more likely to require electrosurgical snare removal, while smaller lesions were managed with cold biopsy forceps. The study highlights that gastric polyps in dogs are uncommon, typically benign and inflammatory in nature, and associated with chronic gastritis. Endoscopic polypectomy is a safe, minimally invasive option offering clinical resolution with low morbidity, making it a viable alternative to surgical intervention in appropriately selected patients.

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