Duodenal cancer is considered to be a small intestinal carcinoma in terms of
clinicopathology. In Japan, there are no established treatment guidelines based on sufficient …

Endoscopic submucosal dissection (ESD), which enables curative en bloc resection of early
gastrointestinal neoplasms, has been an attractive minimally invasive surgery during the …

Background and aims Endoscopic resection of nonampullary duodenal adenoma is often
challenging, and its technique has not yet been standardized. To overcome the practical …

Although endoscopic submucosal dissection (ESD) is a minimally invasive treatment
method for upper gastrointestinal (GI) tumors, patients undergoing upper GI ESD sometimes …

Background and Aims Nonampullary duodenal adenomas can undergo malignant
transformation, making endoscopic resection, often by hot snare (HSP) or cold snare …

Endoscopic resection (ER) is widely utilized as a minimally invasive treatment for upper
gastrointestinal tumors; however, complications could occur during and after the procedure …

Since the earliest reports, advanced clipping systems have been developed, and it is
possible to choose among many models with different structural and technical features. The …

Although superficial non‐ampullary duodenal epithelial tumor (SNADET) was previously
considered a rare disease, in recent years, the opportunities to detect and treat SNADET are …

Background and Aims Endoscopic submucosal dissection (ESD) for superficial duodenal
epithelial tumors (SDETs) is technically difficult and has a high risk of adverse events …

Abstract Background and Aim Underwater endoscopic mucosal resection (U‐EMR) has
been attracting much attention as treatment for patients with nonampullary duodenal …