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International Journal of Colorectal Disease

Published in:

01-05-2009 | Original Article

Detection of colonic polyps according to insertion/withdrawal phases of colonoscopy

Authors: Sergio Morini, Cesare Hassan, Angelo Zullo, Roberto Lorenzetti, Marina de Matthaeis, Francesca Stella, Salvatore M.A. Campo

Published in: International Journal of Colorectal Disease | Issue 5/2009

Abstract

Background and aims

Issues on colonoscopy quality are crucial to reduce the advanced neoplasia miss rate of colonoscopy. Recently, a >6-min withdrawal time has been recommended. However, the relative prevalence of polyp detected during insertion and withdrawal phases of colonoscopy is unknown. Therefore, we designed this prospective, endoscopic study.

Materials and methods

Three hundred and sixty-eight patients with 396 adenomas were selected from a consecutive colonoscopic series of 1,205 cases. Detection rates of adenomas, advanced adenomas, and cancer according to withdrawal and insertion phases of colonoscopy, also subgrouping polyps for size and location, were compared.

Results

Thirty-two (74%) advanced adenomas and 21 (95%) cancers were detected during the insertion, being only 11 (26%) and one (5%) identified during withdrawal, respectively. This was mainly due to a higher detection of >10 mm polyps during insertion than during withdrawal (75% versus 25%).

Conclusions

Most advanced neoplasia are detected during the insertion. Although withdrawal time has been shown to be important, the scope insertion phase related to polyp detection should be specifically addressed.

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Title: Detection of colonic polyps according to insertion/withdrawal phases of colonoscopy
Authors: Sergio Morini
Cesare Hassan
Angelo Zullo
Roberto Lorenzetti
Marina de Matthaeis
Francesca Stella
Salvatore M.A. Campo
Publication date: 01-05-2009
Publisher: Springer-Verlag
Published in: International Journal of Colorectal Disease / Issue 5/2009
Print ISSN: 0179-1958
Electronic ISSN: 1432-1262
DOI: https://doi.org/10.1007/s00384-009-0633-2

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Detection of colonic polyps according to insertion/withdrawal phases of colonoscopy

Abstract

Background and aims

Materials and methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background and aims

Materials and methods

Results

Conclusions

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