The Role of Endoscopy in Small Bowel Neuroendocrine Tumors

다국어 초록 (Multilingual Abstract)

Small bowel neuroendocrine tumors (NETs) represent approximately one-third of NETs of the gastrointestinal tract, and theirincidence is increasing. When determining if endoscopic resection is appropriate, endoscopic ultrasound is used to assess the lesionsize and depth of invasion for duodenal NETs. A number of techniques, including endoscopic mucosal resection (EMR), bandassistedEMR (band-EMR), endoscopic submucosal dissection (ESD), and over-the-scope clip-assisted endoscopic full-thicknessresection (EFTR), have been studied; however, the best technique for endoscopic resection remains unclear. The vast majority ofcurrently available data are retrospective, and prospective studies with longer follow-up times are required. For jejunal and ilealNETs, endoscopic techniques such as video capsule endoscopy (VCE) and balloon enteroscopy (BE) assist in diagnosis. This includeslocalization of the primary NET in metastatic disease where initial workup has been negative, and the identification of multifocaldisease, which may change management and prognostication.

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