I-scan optical enhancement for the in vivo prediction of diminutive colorectal polyp histology: Results from a prospective three-phased multicentre trial

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Details zur Publikation

Autorinnen und Autoren: Klenske E, Zopf S, Neufert C, Naegel A, Siebler J, Gschossmann J, Muehldorfer S, Pfeifer L, Fischer S, Vitali F, Iacucci M, Ghosh S, Rath MG, Klare P, Tontini GE, Neurath M, Rath T
Zeitschrift: PLoS ONE
Jahr der Veröffentlichung: 2018
Band: 13
Heftnummer: 5
ISSN: 1932-6203


Abstract

BACKGROUND AND AIMS: Dye-less chromoendoscopy is an emerging technology for colorectal polyp characterization. Herein, we investigated whether the newly introduced I-scan optical enhancement (OE) can accurately predict polyp histology in vivo in real-time.
METHODS: In this prospective three-phased study, 84 patients with 230 diminutive colorectal polyps were included. During the first two study phases, five endoscopists assessed whether analysis of polyp colour, surface and vascular pattern under i-scan OE can differentiate in vivo between adenomatous and hyperplastic polyps. Finally, junior and experienced endoscopists (JE, EE, each n = 4) not involved in the prior study phases made a post hoc diagnosis of polyp histology using a static i-scan OE image database. Histopathology was used as a gold-standard in all study phases.
RESULTS: The overall accuracy of i-scan OE for histology prediction was 90% with a sensitivity, specificity, positive (PPV) and negative prediction value (NPV) of 91%, 90%, 86% and 94%, respectively. In high confidence predictions, the diagnostic accuracy increased to 93% with sensitivity, specificity, PPV and NPV of 94%, 91%, 89% and 96%. Colonoscopy surveillance intervals were predicted correctly in ≥ 90% of patients. In the post hoc analysis EE predicted polyp histology under i-scan OE with an overall accuracy of 91%. After a single training session, JE achieved a comparable diagnostic performance for predicting polyp histology with i-scan OE.
CONCLUSION: The histology of diminutive colorectal polyps can be accurately predicted with i-scan OE in vivo in real-time. Furthermore, polyp differentiation with i-scan OE appears to require only a short learning curve.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Fischer, Sören
Transfusionsmedizinische und Hämostaseologische Abteilung in der Chirurgischen Klinik
Neufert, Clemens PD Dr.
Medizinische Fakultät
Neurath, Markus Prof. Dr.
Lehrstuhl für Innere Medizin I
Pfeifer, Lukas PD Dr.
Medizinische Klinik 1 - Gastroenterologie, Pneumologie und Endokrinologie
Vitali, Francesco Dr.
Medizinische Klinik 1 - Gastroenterologie, Pneumologie und Endokrinologie
Zopf, Steffen PD Dr.
Medizinische Fakultät


Einrichtungen weiterer Autorinnen und Autoren

IRCCS Policlinico San Donato
Klinikum Bayreuth
Klinikum Forchheim
Ruprecht-Karls-Universität Heidelberg
Technische Universität München (TUM)
University of Birmingham


Zitierweisen

APA:
Klenske, E., Zopf, S., Neufert, C., Naegel, A., Siebler, J., Gschossmann, J.,... Rath, T. (2018). I-scan optical enhancement for the in vivo prediction of diminutive colorectal polyp histology: Results from a prospective three-phased multicentre trial. PLoS ONE, 13(5). https://dx.doi.org/10.1371/journal.pone.0197520

MLA:
Klenske, Entcho, et al. "I-scan optical enhancement for the in vivo prediction of diminutive colorectal polyp histology: Results from a prospective three-phased multicentre trial." PLoS ONE 13.5 (2018).

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Zuletzt aktualisiert 2019-21-07 um 08:02