Gastric neoplasia accounts for less than 1% of all canine malignancies. Malignant epithelial tumours are the most common gastric neoplasm in dogs and are referred to as carcinoma or adenocarcinoma. Dogs with gastric carcinoma usually present with vomiting, anorexia, and weight loss. The duration of clinical signs is from weeks to months. 1 Survey and contrast radiography, endoscopy, and ultrasonography have been used in the diagnosis of gastric carcinoma in dogs. This report describes a case of gastric carcinoma in which the survey and contrast radiographs and endoscopic findings were normal. Gastric neoplasia was suspected on ultrasound examination and confirmed histologically.
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