CASE REPORT article
Front. Vet. Sci.
Sec. Veterinary Imaging
Volume 12 - 2025 | doi: 10.3389/fvets.2025.1634049
Case Report: Ultrasonographic and Computed Tomographic Features of Presumed Gastric Plasmacytoma (Plasma Cell Tumor) with Ulceration in Two Dogs
Provisionally accepted
- 1Departement of Veterinary Medical Imaging, College of Veterinary Medicine, Jeonbuk national University, Iksan, Republic of Korea
- 2VIP Animal Medical Center,, Republic of Korea, Republic of Korea
- 3Veterinary Diagnostic Laboratory, Michigan, United States
- 4Antech Asia, Kowloon, Hong Kong, SAR China
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Gastric plasmacytoma is rare in dogs, with only four previous reports providing limited descriptions of abdominal ultrasound (AUS) and computed tomography (CT) findings. This study presents the AUS and CT imaging features of two histopathologically suspected gastric plasmacytomas. Combining the four previous and two new cases, these tumors predominantly occurred in the greater curvature and pyloric antrum as solitary round masses connected to the submucosal or transmural layers. Pre-and post-contrast tissue attenuation (Hounsfield unit; HU) differences exceeded 40, with variable AUS echogenicity and echotexture. Imaging features may resemble those of spindle cell tumors, requiring histological and immunohistochemical examinations for definitive diagnosis.
Keywords: canine, Gastric tumor, Plasmacytoma, ultrasound, computed tomography
Received: 23 May 2025; Accepted: 24 Jul 2025.
Copyright: © 2025 Park, Jeung, Ji, Kiupel, Lee and Yoon. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Hakyoung Yoon, Departement of Veterinary Medical Imaging, College of Veterinary Medicine, Jeonbuk national University, Iksan, Republic of Korea
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