Doctor insights on:
Can You Detect Cancer From A Blood Test
No.: Bone cancers are typically diagnosed by biopsy after noticing an abnormality on x-ray or mri. There typically have no abnormalities of blood work. Leukemia is a bone marrow disorder. This is not a bone cancer, but can be confused, as the abnormal marrow is inside the bone. Leuekemias often have abnormal blood work. ...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
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
Can doctors detect if you have had any radiation xrays?, in a test like blood or other. Can a blood test detect any cancer ?
No and Maybe.: There is no test that can see if you have been exposed to X rays. Some blood tests can detect cancer: a complete blood count can detect leukemia. Some substances secreted by tumors can be detected in the blood, but this is not a powerful or precise way of finding cancers in general. biopsy of tissue or collection of tissue or direct visualization is a much better method. ...Read more
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
It depends...: If we are talking of the specific cancer type: leukaemia or lymphoma (depending on the type) than, yes, these cancers can be detected in routine blood test. Cancers of solid organs do not present as abnormality in the routine blood test.However, certain changes (anemia) can trigger a search for possible cause, bleeding from colon cancer, for example. ...Read moreSee 1 more doctor answer
No. But,: Urine infection test is urinalysis with added culture if urine has blood, white cells(pus cells), or bacteria. If there is infection in blood, this test dose not detect it. But, sometimes, urine infection goes to blood in cases of kidney infection or urosepsis (sepsis from urine source). In these cases the bacteria that is found in the urine usually, not always, matches what's in the blood. ...Read more
Need other tests.: Blood tests might show signs pointing to lymphoma, like many lymphocytes, and lymphoblasts, but other signs are seen, like lymphadenopathy (enlarged lymph nodes). Also, there are many kinds of lymphomas, like follicular, and mantle cell, and they need tests like biopsy and flow cytometry to distinguish them, so other tests are needed. ...Read more
Heterophile antibody: Presence of heterophile antibodies can affect results of blood tests for many items. It usually does not affect the urine test. If you miss your period by 4-5 days, do a home pregnancy test. If the result is negative repeat the test 4-5 days later unless you get a period by then. Use first morning urine and follow the instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine. ...Read more
Can a doctor see you are pregnant thru a pelvic exam before a blood test or a urine test can come back positive?
No: This would require powers beyond the skills of even the best examiners. ...Read more
No.: It's very unlikely. First the donor, who appears completely healthy, would have to have cancer cells in their blood, such as with leukemia, and not know it. The donated unit must pass the all the lab tests. Finally the donor and the recipient would have to be a tissue match, not just have compatible blood. The odds there are less than 1 in 10, 000 if the blood is not from a relative. ...Read more
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