A lab test called the fecal occult blood test (FOBT) is used to examine stool samples for undetectable blood (occult blood).
What is fecal occult blood test?
- A lab test called the fecal occult blood test (FOBT) is used to examine stool samples for undetectable blood (occult blood).
- Though not all tumors or polyps bleed, occult blood in the stool may be an indication of colon cancer or polyps in the colon or rectum.
- Typically, occult blood is passed in such minute amounts that a fecal occult blood test is the only way to detect it.
- A fecal occult blood test may reveal blood, in which case other tests may be required to identify the cause of the bleeding.
- The fecal occult blood test cannot determine what is causing the bleeding; it can only detect the presence or absence of blood.
- It's not advised to get a fecal occult blood test if you have colon cancer symptoms. Make an appointment with your doctor if you experience abdominal pain, notice blood in your stools or in the toilet, or if your bowel habits change.
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