Doctor insights on:
Can A Blood Test Detect Cancer
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
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
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, may need biopsy.: A blood test can detect some lymphomas with high lymphocyte peripheral blood count, but fine needle aspiration of some lymph nodes, and/or a lymph node biopsy may be needed. This can be used to distinguish between types of lymphoma, like hodgkin's vs. Non-hodgkin's, mantle cell vs. B-cell, t-cell, infection, cancers, etc.. Specific markers for b and t cells are also used. ...Read more
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
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
Yes.: There are many forms of leukemia. Some are "acute" and present quickly. These can be serious / fatal without treatment. Other types of leukemia are "chronic' and can be present for years without the patient knowing / being diagnosed. One of the first tests used to diagnose any leukemia is a complete blood count and review of a peripheral blood smear under the microscope. Hope this helps. ...Read more
Backward: There is no screening test for ovca. However, if you have ovarian cancer, a ca-125 level may or may not be elevated. If it is, it may be one thing monitired for response. Getting ca-125, an expensive blood test of unproven value before knowing you have the cancer is inded backward, costly, non-specific and can led to unnecessary worry. ...Read moreSee 1 more doctor answer
Testing: Chlamydia tests include a culture that may take 5 to 7 days to grow. A direct fluorescent antibody test looks for antigens. A nucleic acid hybridization test or a nucleic acid amplification test looks for chlamydia dna &enzyme –linked immunosorbent assay. Directing sampling uses fluids from cervix, urethra throat, eye (whichever area is impacted). Urine testing is also possible. ...Read more
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