Screening and surveillance of colorectal cancer

Charles J. Kahi, Douglas K. Rex

Research output: Contribution to journalReview articlepeer-review

8 Scopus citations


Although colorectal cancer (CRC) is the second leading cause of cancer deaths in the United States, it is preventable. Screening modalities include fecal occult blood testing, flexible sigmoidoscopy, double-contrast barium enema, and colonoscopy. Colonoscopy allows effective detection and removal of precursor adenomatous polyps and is the dominant CRC screening modality. Emerging technologies include CT and MR colonography and fecal DNA tests. Effective and cost-effective surveillance after polypectomy and curative CRC resection requires balancing the protective effect of polypectomy while maximizing intervals between examinations; thus, estimation of the risk of recurrence determines the intensity of surveillance for individual patients.

Original languageEnglish (US)
Pages (from-to)533-547
Number of pages15
JournalGastrointestinal Endoscopy Clinics of North America
Issue number3
StatePublished - Jul 1 2005

ASJC Scopus subject areas

  • Gastroenterology

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