A case of inflammatory fibroid polyp of the stomach diagnosed by endoscopic submucosal dissection

Abstract

This case report describes a 67-year-old female who underwent upper gastrointestinal endoscopy in 2005, demonstrating a 10-mm sized tumor at the greater curvature of the antrum. In 2010, a second endoscopy showed that the tumor had increased slightly in size. In October 2012, the tumor size had increased to 20 mm and its shape had changed. At this point, the tumor was further investigated. EUS showed a homogeneous low-echoic mass located in the second and third layers (mucosa and submucosa) . In February 2013, endoscopic submucosal dissection (ESD) was performed in order to resect the tumor. The pathological diagnosis was inflammatory fibroid polyp (IFP) . Recently, the standard method of diagnosis of IFP has been endoscopic mucosal resection (EMR) . However, ESD is useful to diagnose IFP effectively in cases where it is difficult to perform en-bloc resection using conventional EMR. We report a case in which ESD was used to diagnose IFP of the stomach.