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Create a Free AccountProcedures - Polypectomy
Usefulness and safety of colorectal precutting EMR and hybrid endoscopic submucosal dissection for sessile serrated polyps with use of a novel multifunctional snare
Precutting EMR (defined as a technique in which snaring is done without dissecting the submucosal layer after the circumference of the lesion alone is incised by using a knife or the tip of a snare) and hybrid endoscopic submucosal dissection (ESD) (defined as a technique in which the submucosal layer is dissected and snaring is carried out after the ESD procedure by use of a knife for ESD or the tip of a snare) have the advantages of decreased procedure time and decreased perforation risk over conventional ESD.Precutting EMR with full or partial circumferential incision with a snare tip for the en bloc resection of difficult colorectal lesions
EMR is performed worldwide as a standard therapy for colorectal polyps. It is difficult to achieve en bloc resection by EMR for a colorectal tumor ≥20 mm; the en bloc resection rate for tumors ≥20 mm is reported to be only approximately 30%.1 Additionally, inappropriate elevation resulting from fibrosis and problematic locations can make EMR difficult, even for tumors <20 mm.Endoscopic recognition of the sessile serrated polyp to cancer sequence
Sessile serrated polyps (SSPs), also called sessile serrated adenomas (SSAs), are the precursor lesions of 20% to 30% of colorectal cancers. The serrated polyp to cancer sequence occurs primarily in the proximal colon in the case of SSPs.
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