Colonoscopy: a review of its yield for cancers and adenomas by indication.

  title={Colonoscopy: a review of its yield for cancers and adenomas by indication.},
  author={Douglas K. Rex},
  journal={The American journal of gastroenterology},
  volume={90 3},
  • Douglas K. Rex
  • Published 1995 in The American journal of gastroenterology
Colonoscopy for bleeding indications (positive fecal occult blood test, emergent or nonemergent rectal bleeding, melena with a negative upper endoscopy and iron deficiency anemia) has a substantial yield for cancers (1 per 9 to 13 colonoscopies), although slide rehydration of fecal occult blood tests decreases the yield (1 per 45 colonoscopies). Prospective studies indicate that nonbleeding colonic symptoms have a substantially lower yield for cancer than bleeding symptoms (1 per 109… CONTINUE READING
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