7 Scopus citations


A retroview in the colon permits an 11-25% increase in the adenoma detection rate when compared with a standard straight forward view during colonoscopy. This can often be accomplished in the rectum or the proximal colon by using dial controls and shaft manipulation to turn the tip of a standard colonoscope 180°. A special slim caliber instrument, the "Third Eye Retroscope" (a backward viewing device) has been developed which is inserted through the working channel of a colonoscope. New colonoscopes are being developed that have the capability of side vision with accompanying light illumination which, with wide angle lenses, provide an almost complete retroview of the colon.

Original languageEnglish
Pages (from-to)491-505
Number of pages15
JournalGastroenterology Clinics of North America
Issue number3
StatePublished - Sep 2013


  • Colonoscopy
  • Missed lesions
  • Retroflexion
  • Retroview
  • Third Eye Retroscope


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