Case series summary Gastric diverticulum (GD) is a rare condition that is described adequately in humans but has not been reported in cats. This case series describes six cats with GD, including three that were published in a previous abstract. All cats presented for a variety of gastrointestinal disorders, including chronic vomiting, weight loss and anorexia, and underwent negative contrast radiography to diagnose GD. All but one cat underwent surgical resection of the GD via partial gastrectomy, while the remaining cat was euthanized. Resection of the GD was associated with reduction of reported clinical signs. Relevance and novel information Gastric diverticula have never been reported in the cat. Negative contrast radiography appears to be a superior imaging technique in the diagnosis of feline GD. In cats with a vague chronic history, including vomiting, anorexia and weight loss, GD should be considered among the differential diagnoses. Further study and more cases need to be identified to better assess clinical problems referable to GD in the absence of other comorbidities. Maine Coon cats with GD appear to be over-represented.

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Objective: To describe the successful management of a cat with an intrathoracic sewing needle foreign body and septic pericardial effusion.