Retroflexion In The Ascending Colon Is A Costless Endoscopic Maneuver Increasing Adenoma Detection Rate

Prospective evaluation of an every day technique (retroflexion) used in our department for many years. The protocol of ascending colon examination encompassed 2 phases: A first phase (1) divided in Forward view (1a) videlicet insertion from the right flexure to the caecum followed by a second forward view (1b) namely withdrawal till the right flexure and reinsertion to the caecum maintaining the endoscope straight and a second phase (2, Retroflexion) with U-turn of the colonoscope in the caecum till the right flexure and then redressing to the forward view and reinsertion to the caecum.