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Histologic Features Predicting Postoperative Crohnʼs Disease Recurrence

Abstract : Recurrence of Crohn's disease (CD) after ileal or colonic resection is common. Many studies have tried to identify predictors of postoperative recurrence (POR) in CD. A wide range of histologic features have been identified, but for most of them, the literature provided conflicting data. In last years, several studies have suggested that histologic findings including inflammatory changes within the enteric nervous system of the resection margin may be associated with CD recurrence. Herein, after briefly summarizing pathophysiology of POR, we review all histological features that have been studied so far: granulomas, histologic appearance at the margin of resection, plexitis, lymphatic vessel density in proximal margin of resection, and morphological analysis of Paneth cells. Granulomas and chronic inflammation at the margin of resection do not seem to predict POR in CD. Active disease at the margin of resection, plexitis, lymphatic vessels density, morphological analysis of Paneth cells may predict POR. Most of these histological features await replication in independent studies. Available evidence indicates that histological findings may be taken into account when developing strategies aimed at preventing postoperative CD recurrence.
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https://hal.univ-lorraine.fr/hal-01679701
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Submitted on : Wednesday, January 10, 2018 - 10:44:11 AM
Last modification on : Tuesday, October 13, 2020 - 10:46:06 AM

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Aude Bressenot, Laurent Peyrin-Biroulet. Histologic Features Predicting Postoperative Crohnʼs Disease Recurrence. Inflammatory Bowel Diseases, Lippincott, Williams & Wilkins, 2015, 21 (2), pp.468 - 475. ⟨10.1097/MIB.0000000000000224⟩. ⟨hal-01679701⟩

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