Rectal neuroendocrine neoplasms (NEN) are increasingly diagnosed worldwide Compared to colonic NEN's, they are commonly smaller, less aggressive, with a low to intermediate grade of differentiation. A 5-year survival rate as high as 88% has been reported[1,2]. The risk of malignancy is closely related to tumour size, depth of invasion and lymph node involvement [1-3]. The incidence of lymph node metastasis increases with tumour (1-10mm 5.4%, 10-20mm 30%, >21mm 70%). The risk of lymph node metastasis increases with tumour depth (12% if submucosa is involved and 56% when the muscolaris propria is involved) [3-5]. This article is protected by copyright. All rights reserved.

Trans-anal full-thickness endoscopic resection of a rectal neuroendocrine neoplasia performed with TEO(®) (Karl-Storz microsurgery device) and laparoscopic ICG-guided lymphatic sampling - video vignette

LEON, PIERA;BALDUZZI, ALBERTO;TROIAN, MARINA;de Manzini, Nicolo'
2017-01-01

Abstract

Rectal neuroendocrine neoplasms (NEN) are increasingly diagnosed worldwide Compared to colonic NEN's, they are commonly smaller, less aggressive, with a low to intermediate grade of differentiation. A 5-year survival rate as high as 88% has been reported[1,2]. The risk of malignancy is closely related to tumour size, depth of invasion and lymph node involvement [1-3]. The incidence of lymph node metastasis increases with tumour (1-10mm 5.4%, 10-20mm 30%, >21mm 70%). The risk of lymph node metastasis increases with tumour depth (12% if submucosa is involved and 56% when the muscolaris propria is involved) [3-5]. This article is protected by copyright. All rights reserved.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2894868
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