Doctor insights on:
Fecal Test For Colon Cancer
Test for blood in BM: The fobt tests for blood in the stool. Test is performed on spontaneously voided stool on three separate occasions. Presence of blood in any of the samples is a "positive" test. Blood may indicate cancer, hemorrhoids, blood vessel abnormality, local irritation or a host of other non life threatening things. However, blood in the stool is a finding that needs follow up with a more specific test. ...Read moreSee 1 more doctor answer
Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more
How accurately will a fecal test find early stage colon cancer? The one that looks for cancer blood markers. Please help!! Approximate percentage.
Pretty low: Conventional assessment of colorectal cancer (CRC) risk largely involves detection of non-dysplastic adenomatous polyps. Standardized sensitivity was 48.2%, for CRC stages I-IV, values were 35.0%, 63.0%, 46.0% and 77.4%, respectively. Specificity was 91.5%. Sensitivity for advanced adenomas was low (11.2%). Ref: Mol Diagn Ther. 2014 Apr;18(2):127 & Gut. 2014 Feb;63(2):317 ...Read moreSee 1 more doctor answer
No: A fecal occult test tests for blood in the stool. Colon cancer can be a cause but so can colon polyps, hemorrhoids, stomach ulcer and many other causes. Anyone with a positive fobt test should have further work up done to evaluate where the blood is coming from. ...Read moreSee 1 more doctor answer
FOBT is screen: Fobt is designed to test for blood in stool. Blood in stool may be due to any bleeding in the GI tract from the gums to the anus; and there are false positives also. If fobt is positive, colonoscopy is generally recommended to look of colon cancer. Fobt per se is not a diagnostic test for cancer, just blood in stool. ...Read moreSee 2 more doctor answers
No: Occult blood in stool suggests a point of bleeding from area near appendix across the colon to the rectum. This could be AV malformation, bleeding polyp, tumor, hemmorhoid or fissure. When blood is detected it has to be defined as to origin. Occassionally colonoscopy will reveal a lesion. Newer stool tests for tumor protein more accurate. ...Read more
Colon cancer age 30?? RUQ pain, fecal occult test negative- CT- Normal- (GI tract WNL no obstruction or perforation) should I get colonoscopy for pain
Probably: Colon cancer is unlikely in your age group, but other GI and colon diseases can also cause such symptoms. Have you had your gallbladder evaluated? Remember, colon cancer has minimal symptoms and CT is NOT a great test for it. In sum though low yield I would likely recommend colonoscopy to you based on what I've read. ...Read more
How accurate % Is the schebo stool test in colon cancer? I mean how can it miss a tumor since it decects bleeding and nonbleeding tumors
Schebo colon ca test: ScheBo tumor M2-PK Stool Test is a totally new approach for bowel cancer screening. Previously, only non-specific tests for blood in the stool could be used to give an indication of an existing bowel cancer (24% accuracy). With the new ELISA method for Tumor marker M2-PK in the stool it?s now possible to detect bleeding or non-bleeding bowel cancers, as well as polyps (80-90%,sen.- specificity) ...Read moreSee 2 more doctor answers
Not gold standard: It's a pretty good screen but if you're having symptoms, you need to get 'scoped. ...Read more
I heard about new lab test Colourguard that can detect colon cancer in person's stool. How do I request such a test? Is it covered by insurance?
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