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Fecal Occult Blood Testing

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October 2011

Colorectal cancer is the third most common cancer in the United States and accounts for 9% of cancer deaths.  Most colorectal cancers originate from adenomatous polyps as a precursor lesion. Early detection is essential to a positive outcome. Drs. Saenger and Ahlquist describe a new immunochemical assay for the testing of fecal occult blood, which can lead to earlier detection of colorectal cancer. They address this and other fecal blood tests in the context of appropriate clinical utilization.


  • David A. Ahlquist, MD, Professor of Medicine and Consultant in Gastroenterology at Mayo Clinic in Rochester, Minnesota
  • Amy K. Saenger, PhD, Assistant Professor of Laboratory Medicine and Pathology and Director of Cardiovascular Laboratory Medicine in the Department of Laboratory Medicine and Pathology at Mayo Clinic in Rochester, Minnesota

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