Normal Adult Colonic Anatomy in Colonoscopy

Abstract: Embryological development of the colon is complex and often unpredictable. This gives rise to variable colonic configurations during colonoscopy. An appreciation of normal colonic anatomy and three-dimensional spatial awareness of the estimated position of the colonoscope by the colonoscopist is important.

Such understanding and awareness helps plan and institute specific maneuvers that are important for safe and complete examination, in addition to carrying out anatomically specific troubleshooting strategies in colonoscopy. This article is part of an expert video encyclopedia.

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http://www.sciencedirect.com/science/article/pii/S2212097113701730

Keywords
Colonoscopy; Intubation; Landmarks; Standard endoscopy; Video