Journal of Gastric Cancer

The Korean Gastric Cancer Association (대한위암학회)
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Endoscopic Resection of Undifferentiated-type Early Gastric Cancer

  • Lee, Ayoung (Department of Internal Medicine, Ewha Women's University College of Medicine) ;
  • Chung, Hyunsoo (Division of Gastroenterology, Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine)
  • Received : 2020.11.08
  • Accepted : 2020.12.09
  • Published : 2020.12.31
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Abstract

Early detection of gastric cancer is crucial because the survival rate can be improved through curative treatment. Although surgery and gastrectomy with lymph node dissection remain as the gold standard for curative treatment, early gastric cancer (EGC) with negligible risk of lymph node metastasis can be treated with endoscopic resection (ER), such as endoscopic submucosal dissection. Among gastric cancers, undifferentiated-type cancer is distinguished from differentiated-type cancer in various aspects in terms of clinical features and pathophysiology. The undifferentiated-type cancer is also known to be associated with an aggressive behavior and a poor prognosis. Therefore, the indication of ER for undifferentiated EGC is limited compared with differentiated-type. Recent studies have reported that ER for undifferentiated EGC is safe and shows favorable short- and long-term outcomes. However, it is necessary to understand the details of the research results and to selectively accept them. In this review, we aimed to evaluate the current practice guidelines and the short-term and long-term outcomes of ER for undifferentiated type EGC.

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References

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