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pubmed-article:1397910pubmed:dateCreated1992-11-19lld:pubmed
pubmed-article:1397910pubmed:abstractTextOne hundred colonoscopies were done. The colonoscopist noted whether the cecum had been intubated as well as the markers used to make this determination. With the colonoscope in position at maximum penetration, a radiologist independently determined its position using fluoroscopy, with a contrast agent delivered through the colonoscope. The cecum was entered in 86 of 100 cases. The tip of the colonoscope was at the level of the ileocecal valve in nine additional cases; the colonoscopist judged that the cecum was well seen in five of these nine. In one case, the colonoscopist overestimated the extent of the examination when transillumination in the right lower quadrant was the only confirming marker. When the more reliable markers (ileocecal valve, appendiceal orifice, converging indentations of the taenia coli in the cecal pole) were seen, no errors were made. Experienced colonoscopists are accurate in assessing the extent of colonoscopy and fluoroscopic confirmation is not routinely needed. When reliable markers are not seen during the examination, a barium enema, preferably with air contrast, should be done.lld:pubmed
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pubmed-article:1397910pubmed:authorpubmed-author:CollinsJ MJMlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:ParensHHlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:MuhmJ RJRlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:McKeeG SGSlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:AndersonM LMLlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:McCoyG AGAlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:HeighR IRIlld:pubmed
pubmed-article:1397910pubmed:authorpubmed-author:EversmanW GWGlld:pubmed
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pubmed-article:1397910pubmed:volume38lld:pubmed
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pubmed-article:1397910pubmed:pagination560-3lld:pubmed
pubmed-article:1397910pubmed:dateRevised2004-11-17lld:pubmed
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pubmed-article:1397910pubmed:articleTitleAccuracy of assessment of the extent of examination by experienced colonoscopists.lld:pubmed
pubmed-article:1397910pubmed:affiliationSection of Gastroenterology, Mayo Clinic Scottsdale, Arizona 85259.lld:pubmed
pubmed-article:1397910pubmed:publicationTypeJournal Articlelld:pubmed
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