Doctor insights on:
Ca 125 Blood Test And Colon Cancer
I had a blood test done at my doctor and everything was normal. He said this means I probably don't have Colon cancer. Could I still have colon cancer?
Ca125 is also known as Cancer antigen 125. Ca-125 (cancer antigen 125 or carbohydrate antigen 125) is a biomarker/tumor marker for ovarian cancer (etc); however, it is not sensitive or specific enough to use as a screening test. Also, a uk study showed that treating based on ca125 level did not improve outcomes. "125" comes from the 125th attempt to develop a marker. It was introduced by bast ...Read more
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: 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
I have stage 2 colon cancer and just had a colectomy the oncologist is performing an expensive blood test to see next steps what is this test?
Depends: A blood count may show anemia than can in turn be traced to a cancer anywhere in the GI tract. Also, if the cancer is advanced, tumor markers or liver enzyme tests may be abnormal. As a rule, blood tests are not good screening methods for cancer, it's mostly luck if they find cancer early. Good question, by the way. ...Read more
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
Not if early: A ct is not sensitive enough to find very small colon growths. There is a blood test the cea that is high in some cancers, but usually only when quite advanced and not specific to colon cancer. Now, a ct might suggest a colon cancer, however, colonoscopy is considered the gold standard for detecting colon growths. There is research into high definition ct but it is not considered a standard. ...Read moreSee 1 more doctor answer
Does a intestinal or colon cancer show in a blood test thru the WBC ? And if there is no bleeding is it possible to be cancer?
Then it is too late: Early intestinal and colon cancers ( GI ) are asymtamatic, WBC not useful , tumor markers like cea is mostly used for follow up for a recurrence of disease. Besides awareness only way for early detection is visit to your doctor, stool for occult blood, and endoscopy to achive the cure. ...Read moreSee 2 more doctor answers
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
- Talk to a doctor live online for free
- Is it possible to have ovarian cancer and have a normal ca 125 blood test?
- Ca 125 blood test male cancer
- Colon cancer and blood test
- Ask a doctor a question free online
- Ca 125 blood test ovarian cancer
- Does pooping blood and being constipated mean colon cancer?
- Colon cancer stage 4 coughing up blood and mucus
- Ca 125 blood test how long for results
- Talk to a pathologist online for free