Colon Cancer: Tests & Diagnosis

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  • Which test should I have to screen for colorectal cancer?

    10/01/08, Healthwise

    Colorectal cancer is the out-of-control growth of cells in the colon or rectum. These cells grow into masses, or tumors. Most colorectal cancers begin as polyps, which are growths attached to the inside of the colon or rectum. Colon polyp

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  • Stool Analysis

    04/11/08, Healthwise

    A stool analysis is a series of tests done on a stool (feces) sample to help diagnose certain conditions affecting the digestive tract. These conditions can include infection (such as from parasites, viruses, or bacteria),

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  • Fecal Occult Blood Test (FOBT)

    08/11/08, Healthwise

    A fecal occult blood (FOBT) test finds blood in the stool by placing a small sample of stool on a chemically treated card, pad, or cloth wipe. Then a special chemical solution is put on top of the sample. If the card, pad, or cloth turns

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  • Colon Polyps - Exams and Tests

    05/14/07, Healthwise

    Unless colon polyps are large and cause bleeding or pain, the only way to know if you have polyps is to have one or more tests that explore the inside surface of your colon.

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  • Colon Cancer Genetic Testing

    05/28/08, Healthwise

    Colon cancer genetic testing is a blood test that can tell you whether you carry rare changed, or mutated, genes that can cause colon cancer. Although most people who get colon cancer do not have one of these mutated genes, having the

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  • Barium Enema

    05/02/07, Healthwise

    A barium enema, or lower gastrointestinal (GI) examination, is an X-ray examination of the large intestine (colon and rectum). The test is used to help diagnose diseases and other problems that affect the large intestine. To make the

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  • Colonoscopy

    08/11/08, Healthwise

    Colonoscopy is a test that allows your doctor to look at the inner lining of your large intestine (rectum and colon). He or she uses a thin, flexible tube called a colonoscope to look at the colon. A colonoscopy helps find ulcers,

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  • Sigmoidoscopy (Anoscopy, Proctoscopy)

    05/08/07, Healthwise

    Anoscopy, proctoscopy, and sigmoidoscopy tests allow your health professional to look at the inner lining of your anus, rectum, and the lower part of the large intestine (colon). These tests are used to look for abnormal growths (

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  • Virtual Colonoscopy

    08/11/08, Healthwise

    A virtual colonoscopy uses X-rays and computers (computed tomography [CT] or magnetic resonance imaging [MRI]) to take two- or three-dimensional images of the interior lining of your large intestine (colon) and rectum. A virtual colon

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  • Carcinoembryonic Antigen (CEA)

    04/30/07, Healthwise

    The carcinoembryonic antigen (CEA) test measures the amount of this protein that may appear in the blood of some people who have certain kinds of cancers, especially large intestine (colon and rectal) cancer. It may also be present in people

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