Abstract
Superficial non-ampullary duodenal epithelial tumors (SNADETs) are precancerous lesions [1], so early detection and treatment are the best strategy for improving patient’s survival. Endoscopic resection (ER) is preferred to surgery because it is associated with less morbidity. However, indications and methods of ER for SNADETs are currently controversial. The duodenum has specific anatomical features that make the ER procedure difficult. The narrow and more deeply located lumen forces an endoscopic maneuver that makes it difficult to maintain an adequate visual field during the procedure. In addition, the duodenal wall is the thinnest in the gastrointestinal tract. Thus, ER for SNADETs has higher complication rate than ER for the esophagus, stomach, and colon. The safety of ER for SNADETs is not established, and there is no adequate evidence of therapeutic strategy.
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Tamashiro, A., Yoshimizu, S. (2020). Adenocarcinoma ESD and EMR. In: Fujisaki, J. (eds) Endoscopic Treatment Strategy for Upper GI Tract Neoplasms. Springer, Singapore. https://doi.org/10.1007/978-981-32-9737-1_9
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DOI: https://doi.org/10.1007/978-981-32-9737-1_9
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