Ultrasonographic features of presumed gastric wall edema in 14 dogs with pancreatitis
2019
Masahiro Murakami | Hock Gan Heng | Chee Kin Lim | Nolie K. Parnell | Nicholas J. Rancilio | Tsang L. Lin | Mario Sola
Abstract Background Gastric wall edema has not been reported as a complication of acute pancreatitis in dogs. Objective To describe the ultrasonographic features of gastric wall thickening in dogs with acute pancreatitis. Animals Fourteen dogs with ultrasonographic evidence and clinical diagnosis of acute pancreatitis, with ultrasonographic evidence of increased gastric wall thickness (>5 mm). Methods A retrospective search in the medical records from 2014 to 2016 was performed to identify dogs that had ultrasonographic evidence of acute pancreatitis, that had increased thickness of the gastric wall and that were diagnosed with acute pancreatitis clinically. The gastric wall changes such as thickness, layering appearance, echogenicity, distribution of lesions, and perigastric changes were recorded. Serial ultrasonographic examination and histopathological findings were recorded if available. Results Mean gastric wall thickness was 9.9 ± 4.0 mm (SD). A complete loss of wall layering was observed in 2 dogs. Thickening of the submucosal layer was observed in 12 dogs, and 5 of them had concurrent muscularis layer thickening. The echogenicity of thickened submucosal layer was intermediate hyperechoic. Lacy appearances were present within the thickened submucosal layer in 7 dogs and in the muscularis layer of 1 dog. Thickening was focal in 12 dogs and adjacent to the diseased pancreas. Subsequent resolution of gastric wall thickening was observed in 3 dogs (range 3‐28 days) via follow‐up ultrasound. One dog underwent necropsy, and gastric wall edema was confirmed histopathologically. Conclusions and Clinical Importance Findings indicated that gastric wall thickening presumably because of edema could be a complication of acute pancreatitis.
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