Real-life chromoendoscopy for dysplasia surveillance in ulcerative colitis
Pasquale Klepp, Anita Tollisen, Arne Røseth, Unger-Vetlesen Institute, Department of Internal Medicine, Lovisenberg Diaconal Hospital, Oslo 0456, Norway
Pasquale Klepp, Milada Cvancarova Småstuen, Morten Vatn, Bjørn A Moum, Stephan Brackmann, Institute of Clinical Medicine, University of Oslo, Oslo 0317, Norway
Solveig N Andersen, Department of Pathology, Akershus University Hospital, Lørenskog 1474, Norway
Bjørn A Moum, Department of Gastroenterology, Oslo University Hospital, Oslo 0450, Norway
Stephan Brackmann, Department of Gastroenterology, Akershus University Hospital, Lørenskog 1474, Norway
Author contributions: Klepp P contributed to acquisition, analysis and interpretation of the data, and drafting and revision of the manuscript; Tollisen A contributed to planning and collection of the data; Røseth A contributed to conception and design of the study, and performed critical revision of the manuscript for important intellectual content; Cvancarova Småstuen M contributed to the statistical analysis and critical revision of the manuscript for important intellectual content; Andersen SN provided technical support and contributed to revision of the histopathological material; Vatn M provided critical revision of the manuscript for important intellectual content and performed study supervision; Moum BA and Brackmann S contributed to conception and design of the study, and performed critical revision of the manuscript for important intellectual content and study supervision; all authors have approved the final draft.
Supported by the Unger-Vetlesen Institute, Department of Internal Medicine, Lovisenberg Hospital.
Institutional review board statement: The study protocol was designed according to the combined knowledge and expertise of Assistant Professor Stephan Brackmann (Akershus University Hospital), Professor Bjørn A Moum (Oslo University Hospital) and Professor Morten Vatn (University of Oslo). The study protocol was approved by the Regional Committee for Medical and Health Research Ethics (REC Project NO. 2010/1093).
Informed consent statement: Written informed consent was collected from subjects prior to study inclusion.
Conflict-of-interest statement: The authors have no conflicts of interest.
Data sharing statement: No additional data are available.
STROBE statement: The authors have read the STROBE Statement, and the manuscript was prepared and revised according to the STROBE Statement.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Pasquale Klepp, MD, Attending Doctor, Department of Internal Medicine, Lovisenberg Hospital, Lovisenberggt.17, Oslo 0456, Norway. email@example.com
Received: May 30, 2018
Peer-review started: May 30, 2018
First decision: July 4, 2018
Revised: August 6, 2018
Accepted: August 24, 2018
Article in press: August 24, 2018
Published online: September 21, 2018