Case Report
Copyright ©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Mar 21, 2017; 23(11): 2090-2094
Published online Mar 21, 2017. doi: 10.3748/wjg.v23.i11.2090
Dynamic enhanced computed tomography imaging findings of an inflammatory fibroid polyp with massive fibrosis in the stomach
Eun Jung Shim, Sung Eun Ahn, Dong Ho Lee, Seong Jin Park, Youn Wha Kim
Eun Jung Shim, Sung Eun Ahn, Dong Ho Lee, Seong Jin Park, Department of Radiology, Kyung Hee University Hospital, Graduate School, Kyung Hee University, Seoul 130-872, South Korea
Youn Wha Kim, Department of Pathology, Kyung Hee University Hospital, Graduate School, Kyung Hee University, Seoul 130-872, South Korea
Institutional review board statement: This study was reviewed and approved by the Institutional Review Board of Kyung Hee University Hospital.
Informed consent statement: The patient was not required to give informed consent to this case report. Because this retrospective case report used the past clinical data that was obtained after this patient agreed to treatment before initiation of the treatment.
Conflict-of-interest statement: All the authors have no conflicts of interests to declare.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Sung Eun Ahn, MD, Director, Department of Radiology, Kyung Hee University Hospital, Graduate School, Kyung Hee University, Dongdaemun-gu, Hoegi-dong, Seoul 130-872, South Korea. 83ahnse@hanmail.net
Telephone: +82-2-9589502 Fax: +82-2-9680787
Received: October 21, 2016
Peer-review started: October 25, 2016
First decision: November 9, 2016
Revised: December 1, 2016
Accepted: January 11, 2017
Article in press: January 11, 2017
Published online: March 21, 2017
Processing time: 149 Days and 1.1 Hours
Abstract

Inflammatory fibroid polyp (IFP) is a rare benign lesion of the gastrointestinal tract. We report a case of computed tomography (CT) imaging finding of a gastric IFP with massive fibrosis. CT scans showed thickening of submucosal layer with overlying mucosal hyperenhancement in the gastric antrum. The submucosal layer showed increased enhancement on delayed phase imaging. An antrectomy with gastroduodenostomy was performed because gastric cancer was suspected, particularly signet ring cell carcinoma. The histopathological diagnosis was an IFP with massive fibrosis. The authors suggest that when the submucosal layer of the gastric wall is markedly thickened with delayed enhancement and preservation of the mucosal layer, an IFP with massive fibrosis should be considered in the differential diagnosis.

Keywords: Inflammatory fibroid polyp; Gastric polyp; Gastric submucosal tumor; Signet ring cell carcinoma; Computed tomography imaging finding

Core tip: In our case, computed tomography imaging findings of markedly thickened submucosal layer with delayed enhancement made inflammatory fibroid polyp difficult to differentiate from malignant cancer, particularly signet ring cell carcinoma.