Utility of Kudo Pit Pattern for Distinguishing Adenomatous from Non Adenomatous Colonic Lesions In Vivo: Meta-Analysis of Different Endoscopic Techniques

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Background: The pit pattern classification system proposed by Kudo is being increasingly utilized as a tool to predict histology of colorectal lesions with sensitivities of over 90% reported in expert hands. Chromoendoscopy, magnification endoscopy, narrow band imaging (NBI) and Fuji intelligent chromoendoscopy (FICE) are all techniques adopted to improve pit pattern determination. Accurate colonoscopic assessment in vivo has been advocated to avoid the need for histopathology and reduce costs. Aims: To do a meta-analysis of the utility of Kudo pit pattern classification in distinguishing adenomatous and non adenomatous colorectal lesions.