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Doctor insights on: Can A Blood Test Detect Cancer In The Body

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Dr. Barry Rosen
4,421 doctors shared insights

Cancer (Definition)

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


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Is there a blood test that can detect inflammation in the intestines?

Is there a blood test that can detect inflammation in the intestines?

Not specifically: A number of general tests (Sedimentation Rate, C-Reactive Protein) can indicate inflammation but is not specific for intestinal inflammation. Hope this helps! Dr Z ...Read more

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Can a simple blood test show if candidemia is present in the blood?

Can a simple blood test show if candidemia is present in the blood?

The blood: test is not simple it would be a blood culture for fungi. if there is any fungemia it is a slower culture process than checking for a bacteremia so in a nut shell no simple test ...Read more

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If standard test results show blood in the urine could that be because of menstrual blood? Or can the test decipher the difference?

If standard test results show blood in the urine could that be because of menstrual blood? Or can the test decipher the difference?

It could be from : Menstrual blood or infection . The latter would show additional positive results on leucocytes/ white blood cells and nitrates on urine test. A repeat urine test is warranted for reassurance. Take care! ...Read more

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How quickly can a blood test show changes in tsh?

How quickly can a blood test show changes in tsh?

Depends on med: It depends on which type of medication, those containing T3 (liothyronine) will change the TSH quite rapidly whilet4 will take longer. Either way we usually wait at least a month to retest so that the result is stabilized to the current dose. Tsh changes in those not on medication will depend on the medical condition, if any, that is present. ...Read more

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Can blood in the urine cause a false positive for protein in the urine?

Can blood in the urine cause a false positive for protein in the urine?

Yes: Because the hemoglobin in red blood cells is a protein, if there is blood in the urine it can test positive for protein. You would need to have your urine retested when there is no blood in it to make sure about the protein. ...Read more

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Could hemoglobin blood test or any kind of blood test show cancer if the person has in it?

Could hemoglobin blood test or any kind of blood test show cancer if the person has in it?

Yes.: There are blood tests that can be very useful in detecting some forms of malignancy. A complete blood count (CBC) can be very helpful in diagnosing blood malignancies like leukemias. Measurements of certain makers / proteins in blood can help in diagnosing and following some solid tumors. One example is the marker 'psa' for prostate cancer. Hope that this helps. ...Read more

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Is there a blood test that can detect excessive inflammation in the body in more than one area at a time with one test?

Is there a blood test that can detect excessive inflammation in the body in more than one area at a time with one test?

Why do you ask?: I'm a pathologist and specialist in lab medicine. The sed rate and C-reactive protein rise when there some serious inflammation over a few weeks, and in some other situations, but by this time it'll be symptomatic and you'll know something's wrong. Is someone trying to sell you something? There's no substitute for a good history and physical exam ...Read more

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Can cancer show up in a blood test?

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

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Which cancerous cells be detected in a blood test without knowing where the tumor is?

Which cancerous cells be detected in a blood test without knowing where the tumor is?

Not usually: Cancer cells do circulate in the blood. But they can be difficult to capture unless the cancer is affecting the blood cells themselves(leukemia). There are more modern tests being developed to check the blood for circulating tumor cells(ctcs) but they are quite new and still underging research as to their ultimate full usefulness as a new test. ...Read more

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What type of blood test is used to check for nicotine in the bloodstream? And how long is nicotine detectable in blood stream?

What type of blood test is used to check for nicotine in the bloodstream? And how long is nicotine detectable in blood stream?

Nicotine: Either blood nicotine levels or its presence or absence can be determined. The length of time that nicotine stays in the body and that can be a reliable indicator of nicotine use, depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months. ...Read more

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Dr. Liawaty Ho Dr. Ho
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How does a blood test show cancer in your blood?

Dr. Liawaty Ho Dr. Ho
1 doctor agreed:
How does a blood test show cancer in your blood?

What blood test?: You can not see cancer on regular blood test. With a very sophisticated test like a flow cytometry for leukemia and lymphoma panel- sometimes you can detect population of abnormal leukemia cells or other blood cancer like lymphoma. ...Read more

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Can you detect bone cancer through a blood test?

Can you detect bone cancer through 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 more

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Will a urine infection test detect something in your blood?

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

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Can a positive ANA mean cancer in the blood?

No: A low-titer ANA usually means nothing. A higher titer is helpful in confirming the diagnosis of several common diseases including lupus and type i autoimmune hepatitis, but is not a cancer screen. ...Read more

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What is the earliest time to detect HIV in the blood?

What is the earliest time to detect HIV in the blood?

HIV detection: Hiv is most commonly diagnosed by testing your blood or saliva for the presence of antibodies to the virus. Unfortunately, these types of HIV tests aren't accurate immediately after infection because it takes time for your body to develop these antibodies, usually up to 12 weeks. In rare cases, it can take up to six months for an HIV antibody test to become positive.Ask about the HIV antigen test. ...Read more

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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 more

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Can a blood test detect cancer?

Can a blood test detect cancer?

Yes: However the best way to diagnose cancer is to go to your doctor and have an examination. Blood tests can give clues to how well your organs are functioning and what is happening inside of your body. ...Read more

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Which body/blood test is the best test for cancer in the body?

Which body/blood test is the best test for cancer in the body?

None of them: None of the routine labs are a general cancer screen. There are some "alternative and holistic" practitioners that offer supposed blood tests for general cancer, but these don't meet scientific standards and haven't stood up to horst testing. ...Read more

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Is there a blood test to detect cancer in the blood/body?

Is there a blood test to detect cancer in the blood/body?

No: There is not single test for cancer. Cancer is unlikely at your age.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Is there a blood test that can detect possibly hidden cancer in my body ?

Is there a blood test that can detect possibly hidden cancer in my body ?

No: All so called blood tests that are available ie. Ca125 et.al are approved for monitoring a patients condition once diagnosis is established and one uses a rising marker to show failure of treatement and decreasing marker to indicate response to treatment. No test available today can diagnose the presence or absence of an undiagnosed malignancy. ...Read more

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Would blood tests show cancerous tumors, or even benign one's in the body? OR Would a regular blood test show indications of cancer / a tumor inside?

Would blood tests show cancerous tumors, or even benign one's in the body? OR Would a regular blood test show indications of cancer / a tumor inside?

Not very helpful: We don't have reliable blood tests to look for the common cancers. Your best bet is cancer surveillance (in your case, I trust you get pap smears if you have ever had someone special), and know the usual warning signs and get seen if they come up. ...Read more

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I recently had a thyroid blood test done. It was normal. If I have cancer in my body would it show up with the blood test?

I recently had a thyroid blood test done. It was normal. If I have cancer in my body would it show up with the blood test?

No: A blood test for thyroid function will not reveal cancer, not even thyroid cancer. There are virtually no reliable blood tests for cancer, exceptions being cancers of blood. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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1 Morning stool test done.2-3 pus cells.SGOT 62,No blood.Blood test-mild eosinophilia.I have lipomas in my body.sonography normal.Colon cancer,lipoma?

1 Morning stool test done.2-3 pus cells.SGOT 62,No blood.Blood test-mild eosinophilia.I have lipomas in my body.sonography normal.Colon cancer,lipoma?

Sketchy information: Not a picture if colon cancer, also not the age, you need a Gastroenterologist to evaluate your condition better and do more comprehensive liver enzymes workup, goodluck ...Read more

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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 more

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Can a blood test detect cancer?

Yes: However the best way to diagnose cancer is to go to your doctor and have an examination. Blood tests can give clues to how well your organs are functioning and what is happening inside of your body. ...Read more

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Is it ever that a regular blood test detect cancer cells?

Won't happen soon: There are so many different kinds of cancers, most do not get into the bloodstream, and lab tests to screen for particular cancers have proved so insensitive and nonspecific. We won't see blood work for cancer detection in our lifetime. ...Read more

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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

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Does a CBC blood test detect cancer? Specifically lymphoma?

Does a CBC blood test detect cancer? Specifically lymphoma?

CBC & Lymphoma: There are a few lymphomas which can be detected on a CBC but most will not show up that way. In other words, if your CBC is normal doesn't mean you don't have lymphoma. A biopsy of any enlarged lymph node is suggested. ...Read more

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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

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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

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Can cancer be picked up in a blood test?

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. ...Read more

Dr. Liawaty Ho Dr. Ho
1 doctor agreed:
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How does a blood test show cancer in your blood?

Dr. Liawaty Ho Dr. Ho
1 doctor agreed:

What blood test?: You can not see cancer on regular blood test. With a very sophisticated test like a flow cytometry for leukemia and lymphoma panel- sometimes you can detect population of abnormal leukemia cells or other blood cancer like lymphoma. ...Read more

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Is there a blood test to detect any/all cancers?

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