Where, anatomically, is the predominant abnormality located in these radiographs from an 11-year-old English sheepdog?
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The stomach is markedly enlarged and filled with fluid and gas. There is mineral opacity material with a sharp edge in the body and pylorus.
There are small mineral opacities (gravel sign) in the dependent portion of the stomach. The enlarged stomach is causing a mass effect and displacing the other organs caudally, however peritoneal detail is good.
The radiographs show evidence of pyloric outflow obstruction such as a mass, stricture, polyp, or granuloma.
Radiographic interpretation and images courtesy, Dr A. Zwingenberger and Veterinary Radiology. Normal radiograph links courtesy, Imaging Anatomy Univ. of Illinois Vet Med.
