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  2. Stool guaiac test - Wikipedia

    en.wikipedia.org/wiki/Stool_guaiac_test

    Either the patient or medical professional smears a small fecal sample on to the film. The fecal sample is obtained by catching the stool and transferring a sample with an applicator. Digital rectal examination specimens are also used but this method is discouraged for colorectal cancer screening due to very poor performance characteristics. [10]

  3. Stool test - Wikipedia

    en.wikipedia.org/wiki/Stool_test

    The American College of Gastroenterology has recommended the abandoning of gFOBT testing as a colorectal cancer screening tool, in favor of the fecal immunochemical test (FIT). [3] The newer and recommended tests look for globin , DNA , or other blood factors including transferrin , while conventional stool guaiac tests look for heme .

  4. Fecal occult blood - Wikipedia

    en.wikipedia.org/wiki/Fecal_occult_blood

    Fecal occult blood testing (FOBT), as its name implies, aims to detect subtle blood loss in the gastrointestinal tract, anywhere from the mouth to the colon.Positive tests ("positive stool") may result from either upper gastrointestinal bleeding or lower gastrointestinal bleeding and warrant further investigation for peptic ulcers or a malignancy (such as colorectal cancer or gastric cancer).

  5. New colorectal cancer blood test approved by FDA: What to know

    www.aol.com/colorectal-cancer-blood-test...

    The Food and Drug Administration (FDA) has recently approved a blood test screening for colorectal cancer that has an over 83% success rate at detecting the presence of this form of cancer.

  6. FDA approves new blood test to screen for colon cancer

    www.aol.com/news/fda-approves-blood-test-screen...

    The test would need to be given at least every three years, starting at age 45 — the same age it's recommended to begin colorectal screening. A positive test isn’t necessarily a diagnosis.

  7. Colonoscopy - Wikipedia

    en.wikipedia.org/wiki/Colonoscopy

    The examination of the colon, to rule out a lesion contributing to blood loss, along with an upper gastrointestinal endoscopy (gastroscopy) to rule out oesophageal, stomach, and proximal duodenal sources of blood loss. Fecal occult blood is a quick test which can be done to test for microscopic traces of blood in the stool. A positive test is ...

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