Association Between Indefinite Dysplasia and Advanced Neoplasia in Patients With Inflammatory Bowel Diseases Undergoing Surveillance复制标题

接受监测的炎症性肠病患者中不稳定发育与晚期肿瘤的相关性

We conducted a retrospective cohort analysis of patients with IBD undergoing colonoscopic surveillance between January 2001-December 2017 at a tertiary IBD referral center (The Mount Sinai Hospital (MSH), New York, NY, United States of America). Eligible patients were identified as described previously. Inclusion criteria were: an endoscopically and histologically confirmed diagnosis of IBD (Crohn’s disease [CD], ulcerative colitis [UC] or IBD-unclassified [IBD-U]); at least left-sided colonic involvement (UC patients, Montreal classification E2 or E3) or >30% involvement of colonic mucosa (CD, IBD-U); disease duration of > 8 years, or any disease extent or duration in patients with concomitant PSC; an “index” surveillance  colonoscopy (defined below) that was followed at least 3 months later by a procedure that allowed for colonic histologic assessment (i.e. at least one subsequent surveillance colonoscopy or colectomy specimen, or any type of procedure yielding a diagnosis of IND or CRN) and; histology analyzed by specialized IBD pathologists at MSH. Patients were excluded if ACRN or colectomy occurred prior to or within 3 months of the index colonoscopy. Patients with a history of IND or LGD prior to the index colonoscopy (henceforth referred to as “prior dysplasia”) were not excluded.

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