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Colonoscopic surveillance using narrow-band imaging in patients with hyperplastic polyposis syndrome (HPS)

The aims of this study are to assess the additional value of NBI in comparison to white-light endoscopy (WLE) for the detection and classification of HPs, SAs, MPs and adenomas in patients with HPS.

The use of narrow band imaging versus conventional colonoscopy for the detection of dysplasia and cancer in patients with longstanding ulcerative colitis. A randomized cross-over study

1) to compare NBI and standard White Light Endoscopy (WLE) for the detection of neoplasia during colonoscopic surveillance of patients with longstanding UC2) To determine the accuracy of Kudo*s classification in distinguishing neoplastic from non…

Wide Area Transepithelial sample Esophageal Biopsy combined with Computer assisted 3-Dimensial Tissue Analysis (WATS) for the detection of High Grade Esophageal Dysplasia and Adenocarcinoma: A multicenter prospective, randomized, tandem study

To evaluate the utility of the WATS system, as a potential substitute for the random sampling method that is currently recommended as an adjunct to targeted biopsy