A 70-year-old woman was found on esophagogastroduodenoscopy (EGD) to have a 25-mm,
isochromatic, flat-type early gastric cancer in the lesser curve of the upper gastric
body of the stomach. White-light endoscopy revealed a subtle lesion (A, arrow). Chromoendoscopy with the use of indigo carmine was then performed to delineate
the extent of the tumor (B, arrow), and texture and color enhancement imaging (TXI) mode 1 was applied to improve the
visibility of the lesion (C, arrow). The lesion was removed by endoscopic submucosal dissection, and histopathologic
examination of the resected specimen showed well-differentiated tubular adenocarcinoma
that retained the negative mucosal resection margins.
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Publication history
Published online: December 28, 2021
Mohamed O. Othman, MD, Associate Editor for Focal PointsIdentification
Copyright
© 2021 by the American Society for Gastrointestinal Endoscopy
