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Korean J Helicobacter  Up Gastrointest Res > Volume 15(1); 2015 > Article
The Korean Journal of Helicobacter  and Upper Gastrointestinal Research 2015;15(1):9-16.
DOI: https://doi.org/10.7704/kjhugr.2015.15.1.9    Published online March 10, 2015.
Diagnosis of Gastric Subepithelial Tumor: Focusing on Endoscopic Ultrasonography
Eun Young Kim
Department of Internal Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea. kimey@cu.ac.kr
위상피하 종양의 진단: Endoscopic Ultrasonography를 중심으로
대구가톨릭대학교 의과대학 내과학교실
Gastric subepithelial mass denotes any protruded lesion covered with normal mucosa found during upper gastrointestinal endoscopy or barium study. It can imply various diseases or even impression of normal extraluminal structures. For further evaluation of gastric subepithelial lesion (SEL), endoscopic ultrasonography (EUS) will be the smartest choice. EUS can delineate layered structure of gastric wall and adjacent extraluminal structure making it easy to differentiate extraluminal cause of SEL from intramural lesion. EUS examination of the intramural SEL to look for the origin of the mass, echo characteristics, size, and relationship with the extraluminal structure can assist in an approach to diagnosis. EUS findings can also provide a guide on making therapeutic decisions. When pathologic examination is necessary for a definite diagnosis, EUS-guided tissue sampling is an excellent and safe tool. This article reviewed the diagnosis of gastric subepithelial mass focusing on EUS.
Key Words: Endosonography; Subepithelial tumor; Diagnosis; Fine-needle aspiration; Biopsy

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