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GE-Portuguese Journal of Gastroenterology

Print version ISSN 2341-4545


SANTOS, Carlos Eduardo Oliveira dos; PEREIRA-LIMA, Júlio Carlos  and  ONOFRIO, Fernanda de Quadros. Large Colorectal Lesions: Evaluation and Management. GE Port J Gastroenterol [online]. 2016, vol.23, n.4, pp.197-207. ISSN 2341-4545.

In the last years, a distinctive interest has been raised on large polypoid and non-polypoid colorectal tumors, and specially on flat neoplastic lesions ≥20 mm tending to grow laterally, the so called laterally spreading tumors (LST). Real or virtual chromoendoscopy, endoscopic ultrasound or magnetic resonance should be considered for the estimation of submucosal invasion of these neoplasms. Lesions suitable for endoscopic resection are those confined to the mucosa or selected cases with submucosal invasion ≤1000 μm. Polypectomy or endoscopic mucosal resection remain a first-line therapy for large colorectal neoplasms, whereas endoscopic submucosal dissection in high-volume centers or surgery should be considered for large LSTs for which en bloc resection is mandatory.

Keywords : Endoscopy; Gastrointestinal; Colorectal Neoplasms; Colonic Polyps.

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