Doctor insights on:
Can You Detect Cancer From A Blood Test
Only a few cancers: Unfortunately, there are very few cancers that can be detected through blood tests. These include prostate cancer and leukemia. Some other cancers have tumor marker tests, such as breast cancer, ovarian cancer, colon cancer, pancreatic cancer, and others but these are to monitor, not detect the cancer. ...Read moreSee 1 more doctor answer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
No.: There is no one blood test that screens for all cancers. There are specific tests that can be used to monitor disease status in particular diagnoses such as psa for prostate cancer, ca125 for ovarian cancer or cea for colon cancer, but these tests are not so good for screening a general population. The concern with them is either lack of specificty or detection of lesions that are not risky. ...Read moreSee 1 more doctor answer
Cancer screening: There are blood tests that can screen for certain types of cancer, but they do not necessarily prove that there is cancer, even if abnormal. You should discuss your concerns with your family physician to see IF there is a particular test that you might benefit from having done. There is no value in doing a routine series of tests if there is no indication that they are needed. ...Read more
No screening blood : There is no blood test specifically for cancer. Women are screened with mammograms, cervix pap smears, colonoscopy, and physical exams. When there is suspicion or actual diagnosis of cancer there are some blood tests and tumor markers that can be useful. ...Read moreSee 2 more doctor answers
Yes: Yes, but it is not that straightforward. It is most appropriately used when you know somebody has cancer, the cancer has been treated, and you are looking for regrowth of the cancer. Using the tests any other way can be very misleading. It also depends on what kind of cancer you have (ldh, afp, thyroglobulin, cea, ca19-9, ca 125, and chromogranin are all examples). ...Read more
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