Figure 3. Proposed algorithm of treatment for patients with a diagnosis of PI [prepouch ileitis]. From: Prepouch Ileitis After Ileal Pouch-anal Anastomosis: Patterns of Presentation and Risk Factors for Failure of Treatment J Crohns Colitis. Published online October 09, 2017. doi:10.1093/ecco-jcc/jjx140 J Crohns Colitis | Copyright © 2017 European Crohn’s and Colitis Organisation (ECCO). Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oup.com 1