COMMENTARY
Colorectal cancer
What is the role of iFOBT in screening for colorectal cancer?
Correspondence to:
Correspondence to:
David F Ransohoff
CB7080, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7080, USA; ransohof@med.unc.edu
Policy makers will need to consider if it has one, not only as an adjunct to gFOBT screening, but also as a primary screening test
Keywords: colorectal cancer; screening; faecal occult blood test
| The first 150 words of the full text of this article appear below. |
Screening for colorectal cancer (CRC) using gFOBT (guaiac based faecal occult blood test) has been shown in randomised controlled trials (RCTs) to reduce CRC mortality.1–3 gFOBT testing is endorsed as an option for CRC screening in the United States4–7 and is being implemented in the United Kingdom. People with a positive gFOBT receive colonoscopy to detect early cancers and advanced adenomas that, if untreated, might cause CRC mortality. Because gFOBT has a high rate of false positive results, however, gFOBT screening can incur substantial cost and use of colonoscopy resources. A method that could determine which people with a positive gFOBT have false positive results—and do not need colonoscopy—would make gFOBT screening more practical.
A study in this issue of Gut8 Fraser et al(see p 1415) shows that doing iFOBT (human haemoglobin immunochemical based FOBT) in people with a positive gFOBT will detect almost all clinically
Relevant Article
- Evaluation of a card collection-based faecal immunochemical test in screening for colorectal cancer using a two-tier reflex approach
- Callum G Fraser, Catriona M Mathew, N Ashley G Mowat, John A Wilson, Francis A Carey, and Robert J C Steele
Gut 2007 56: 1415-1418.[Abstract] [Full Text] [PDF]
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