Can cancer be picked up in a blood test?

Not really. There is no general blood test for cancer, although there are tumor markers such as psa, cea, etc that can be elevated in certain types of cancers. An elevated psa, for instance, can indicate the presence of prostate cancer.

Related Questions

Can cancer show up in a blood test?

Rarely. Unless it a blood cancer(leukemia) it is not likely to show up in the blood. Some of the chemicals produced by cancder (tumor markers) can show up in the blood test and thus can be an indicator for an internal cancer. Read more...

Can my doctor check for any type of cancer in a blood test?

There is no such tes. Blood tests are not diagnostic of cancer. But we have other means to make a diagnosis of cancer. Most of these include a visit to your doctor for physical examination and X-rays and scans. these are called Cancer Screening tests. Ask your doctor for cancer screening tests appropriate for your Age. Read more...

Is there a blood test to r/o cancer?

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 more...
No. There is no single test that can definitely rule out all types of cancer. There are tests, however, which may rule out cancer of specific organs like prostate or pancreas with a good relative degree of certainty. You need not go thru life worrying about cancer. Healthy lifestyle ensures resistance to most cancers. Read more...