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The purpose of this study is to compare the accuracy of using different endoscopic imaging technique (white light, white light with near focus, narrow band imaging (NBI), NBI with near focus) for detection of residual neoplastic tissue at site of prior EMR
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Residual neoplasia after EMR is a common. Optimal surveillance protocols are not clearly defined. There is a need for better imaging modalities to evaluate for residual disease. Suspected residual tissue can be confirmed with repeat colonoscopy or can be empirically treated. However, this can lead to either frequent colonoscopy or overtreatment. This presents more cost and financial burden to the patient. With the introduction of newer colonoscopes that have near focus/zoom capability, it is important to assess whether the near focus technology offers better accuracy for detection of residual neoplastic tissue. With better accuracy to confidently rule out residual neoplasia using newer imaging modality, additional treatment or biopsy at the previous EMR may be avoided. Furthermore, the interval for surveillance colonoscopy can be lengthened.
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230 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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