Clin Endosc.  2023 Jan;56(1):114-118. 10.5946/ce.2021.203.

Gastric wall abscess after endoscopic submucosal dissection

• Yu SJ
• Lee SH
• Yoon JS
• Lee HS
• Jee SR

• KMID: 2538759
• DOI: http://doi.org/10.5946/ce.2021.203

Abstract

Gastric wall abscess, a localized form of phlegmonous gastritis, is a rare complication of endoscopic resection. We report the first case of gastric wall abscess developing after endoscopic submucosal dissection in Korea. A 72-year-old woman visited our clinic to receive treatment for gastric adenoma. The patient successfully underwent endoscopic submucosal dissection with no complications. The final diagnosis was well-differentiated tubular adenocarcinoma. We performed follow-up endoscopy 10 weeks later and found a large subepithelial lesion on the posterior wall of the gastric antrum. Abdominal computed tomography revealed hypodense wall thickening and a 5 cm heterogenous multilobular mass in the submucosal layer of the gastric antrum. Submucosal invasion with mucin-producing adenocarcinomas could therefore not be excluded. The patient agreed to undergo additional gastrectomy due to the possibility of a highly malignant lesion. The final diagnosis was acute suppurative inflammation with the formation of multiple abscesses in the mural layers and omentum. The patient was discharged with no complications.

Keyword

Early gastric cancer; Endoscopic submucosal resection; Gastric wall abscess; Phlegmonous gastritis