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Recent advances in chromoscopic colonoscopy and endomicroscopy

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Abstract

The basic rationale for secondary prevention of colorectal carcinoma is by endoscopic polypectomy. New technologies in the form of high-magnification or "zoom" colonoscopy complemented by chromoscopic agents permit early detection of neoplastic colorectal lesions, particularly flat and depressed types. Detailed morphologic characteristics of the surface crypt or "pit pattern" can be obtained with these techniques, enabling an in vivo "optical biopsy" and staging tool. Establishing suitability for endoscopic resection or surgical excision can be enhanced using these techniques. Furthermore, chromoscopic colonoscopy may have a role in routine endoscopic colorectal cancer surveillance programs in patients at high risk for colorectal neoplasia, such as those with long-standing ulcerative colitis and familial colorectal cancer syndromes. This review summarizes recent data regarding the prevalence and histopathologic characteristics of flat and depressed colorectal lesions in Western cohorts and describes how their detection and management can be improved by chromoscopy and magnification technology. We outline these techniques from a clinical perspective and describe the basic principles of endoscopic mucosal resection.

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Authors and Affiliations

  1. Royal Hallamshire Hospital, Room BD 82/B Floor Endoscopy, Sheffield, South Yorkshire, UK

    David P. Hurlstone MRCP, MD (Dist)

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  1. David P. Hurlstone MRCP, MD (Dist)
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  2. David S. Sanders FRCP, MD
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Correspondence to David P. Hurlstone MRCP, MD (Dist).

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Hurlstone, D.P., Sanders, D.S. Recent advances in chromoscopic colonoscopy and endomicroscopy. Curr Gastroenterol Rep 8, 409–415 (2006). https://doi.org/10.1007/s11894-006-0027-3

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  • DOI: https://doi.org/10.1007/s11894-006-0027-3

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