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Doctor insights on: Would Cancer Show In A Blood Test

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Dr. Barry Rosen
4,344 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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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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How does a blood test show cancer in your blood?

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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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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Can a positive ANA mean cancer in the blood?

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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Would a blood test show brain tumour?

Would a blood test show brain tumour?

Not likely : (unless it was doing something weird like pressing on your hypothalamus or secreting pituitary hormones). Brain tumors are suspected based on history and physical exam, confirmed with a head scan (MRI), and classified by a biopsy. ...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 lupus will it show up in a blood test for rheumatology?

If lupus will it show up in a blood test for rheumatology?

Yes, but....: Almost all lupus patients have anti-nuclear antibodies in their blood at significant levels, there are other blood tests, but the whole clinical picture needs to be considered before a diagnosis is made, and since no one truly knows what lupus is, some people carry the diagnosis of "borderline / questionable" lupus, and may or may not get treated. ...Read more

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Does a blood test show for any virus in your body?

Does a blood test show for any virus in your body?

Need specific test: There are different tests for different viruses. Routine blood tests do not show viral infection. You doctor can order tests for one or more viruses that may be suspected of causing a disease. ...Read more

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Do blood tests/CT scans show if you have cancer in the results?

Yes, most times it d: Cancer is not difficult to diagnose but you need to go to an experienced doctor/preferably an oncologist. We look for any abnormal growth in the common sites affected by cancer(such as Lungs, Colon, Breast and Prostate). Blood tests are an aid but only provide indirect support for diagnosis. There is no single blood test that wil reliably show Cancer, at least not yet, but someday soon it is likel ...Read more

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Can cancer always show up in blood tests?

Can cancer always show up in blood tests?

Not all cancers: Most cancers are not detected in the blood initially. There are a few that produce markers that allow us to screen patients for cancer with a blood test. Prostate cancer is the most common. There are some blood markers that are used to detect GI cancers as well as to follow patients with gyn cancers as well as breast. Testicular cancer also has commonly used markers. Must be in context of case. ...Read more

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Can cervical cancer show in a positive ANA test?

Can cervical cancer show in a positive ANA test?

No. An ANA: Ani-nuclear antibody is a lupus test, and can be positive in other rheumatological diseases/ cervix cancer needs to be diagnosed by an internal pelvic exam and a biopsy. ...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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Would a complete patient profile blood test show cancer?

Would a complete patient profile blood test show cancer?

Maybe not: There is no standard "complete patient profile blood test" in the U.S., so what is tested for depends on what a doctor is looking for. A blood chemistry test such as a Comprehensive Metabolic Panel looks at 14-17 items, but isn't looking for cancer. It will, however, detect some side effects of having a widespread cancer problem. Cancers come in all sizes and many types, but need specific testing. ...Read more