Korean J Gastrointest Endosc.  2005 Dec;31(6):404-408.

A Case of Submucosal Tumor-like Early Gastric Adenocarcinoma Diagnosed by Endoscopic Mucosal Resection

  • 1Department of Internal Medicine, Korea University Medical Center Guro Hospital, Korea. gi7pjj@yahoo.co.kr
  • 2Department of Internal Medicine, Seoul Red Cross Hospital, Seoul, Korea.


In rare cases, early gastric cancer resembles the endoscopic features of a submucosal tumor (SMT). A correct histological diagnosis is difficult with repeated biopsy specimens because they are covered with normal mucosa. Some features known to suggest malignant SMT include a size greater than 3 to 5 cm, a rapid growth rate, echoheterogeneity and irregular margins on endoscopic ultrasonography (EUS). Various techniques including US-guided biopsy, partial removal by an endoscopic snare excision, as well as EUS with a fine needle aspiration were used to enhance the diagnostic accuracy. We recently experienced a case of early gastric cancer, presenting as a submucosal tumor-like lesion, which was confirmed by endoscopic mucosal resection. We report this case with a review of the relevant literature.


Early gastric cancer; Submucosal tumor; Endoscopic mucosal resection
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