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Updated: May 9, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
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Published on: December 8, 2014

Retroview colonoscopy.

Jerome D Waye1

  • 1Medicine, Icahn School of Medicine at Mount Sinai, Mount Sinai Hospital, 1 Gustave Levy Place, New York, NY 10029, USA. Jdwaye@aol.com

Gastroenterology Clinics of North America
|August 13, 2013
PubMed
Summary
This summary is machine-generated.

Retrograde views during colonoscopy increase adenoma detection rates by 11-25% compared to standard forward views. New technologies enhance this backward-viewing capability for improved colon cancer screening.

Keywords:
ColonoscopyMissed lesionsRetroflexionRetroviewThird Eye Retroscope

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Standard colonoscopy forward view has limitations in adenoma detection.
  • Retrograde views can improve visualization of the colon lining.

Purpose of the Study:

  • To evaluate the impact of retroflexion on adenoma detection rate.
  • To introduce novel technologies for enhanced colon retroflexion visualization.

Main Methods:

  • Utilizing standard colonoscope shaft manipulation and dial controls for retroflexion.
  • Employing a dedicated backward viewing device (Third Eye Retroscope).
  • Investigating new colonoscopes with integrated side vision and illumination for retroflexion.

Main Results:

  • Retroflexion increases adenoma detection rate by 11-25% compared to standard forward view.
  • Retroflexion is achievable in the rectum and proximal colon.
  • New technologies offer near-complete retroflexion visualization.

Conclusions:

  • Retroflexion is a valuable technique to enhance adenoma detection during colonoscopy.
  • Technological advancements are improving the efficacy and ease of performing retroflexion.
  • Enhanced retroflexion improves colon cancer screening and prevention.