The Efficacy of Endoscopic Submucosal Dissection of Type I Gastric Carcinoid Tumors Compared with Conventional Endoscopic Mucosal Resection
Figure 3
(a) A hyperemic polypoid subepithelial lesion measuring approximately 1 cm was detected at the greater curvature side of the upper body. (b) Submucosal injection was performed. After then, an endoscopic mucosal resection was performed using a snare. (c) A small artificial ulcer produced by endoscopic mucosal resection was detected. (d) Endoscopic en bloc resection was achieved, but a yellowish vertical resection margin that was not covered with submucosal tissue was manifested (blue arrow). (e) The histologic findings (H&E stain, ×10) showed a positive deep resection margin (red arrow).
