DOP37 Neoplastic lesions outside diseased area in inflammatory bowel disease patients: A national cohort study

Background Patients with inflammatory bowel diseases (IBD) are at increased risk of dysplasia and colitis-associated cancer (CAC). The presentation of (pre)neoplastic lesions (low-grade dysplasia (LGD), high-grade dysplasia (HGD) or colorectal cancer (CRC) is reported to vary depending if the lesions are located inside disease area (IDA) or outside diseased area (ODA). The primary aim was to analyse the characteristics and prognostic of IDA...