The Fecal Occult Blood Test (FOBT) Developed

Fecal Occult Blood Test
1967
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The Fecal Occult Blood Test (FOBT) detects blood in feces. The blood is shed into the colon when feces passes by cancers lining the colon or anus.  The test, is used to screen for colon, rectal and intestinal cancers. It is also able to detect some stomach (gastric) cancers. Often, the blood is not visible to the eye - it is hidden or 'occult' - giving the test its name. The test was developed by Dr. David Greegor.1

  • 1. Greegor, D.H. "Diagnosis of Large-Bowel Cancer in the Asymptomatic Patient." JAMA. 201 (1967):123-125. [PUBMED]