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Doctor insights on: What Is The Name Of The Blood Test That Checks For Prostate Cancer

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What is the name of the blood test that checks for prostate cancer?

What is the name of the blood test that checks for prostate cancer?

PSA: The psa (prostate specific antigen) blood test is used to evaluate men for the possibily of prostate cancer. An abnormal level may be due to cancer, infection, or benign prostate enlargement. Also, prostate cancer may be present with a normal psa level. Your physician will determine if you need the test and what should be done when the results are available. ...Read more

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Dr. Barry Rosen
4,224 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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My man has stage 3 prostate cancer even though the blood test was negative. How could the test have been wrong?

My man has stage 3 prostate cancer even though the blood test was negative. How could the test have been wrong?

PSA is not perfect: Blood tests are molecules shed from the surface of a tumor into the blood. The ones available for most tumors are carbohydrate markers that are only of value for tumor response and not diagnosis. The prefix to these markers are CA 125 for ovary and CA 19.9 for pancreatic Ca. The CA refers to carbohydrate antigen. PSA is such an antigen and unreliable in about 40% of patients. ...Read more

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What do you suggest if my man has stage 3 prostate cancer even though the blood test was negative. how can that be?

What do you suggest if my man has stage 3 prostate cancer even though the blood test was negative. how can that be?

Psa normal: Not all prostate cancers express PSA. Therefore, someone can have a prostate cancer but still have a normal PSA. I have heard estimates as high as 5-10% of prostate cancers do not express PSA. This is one of the reasons why a prostate exam should be done in addition to a PSA test for screening. At stage 3, he should proceed for further evaluation and treatment. ...Read more

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I have a high psa count but no prostate cancer. Recently I found that taking ibiprophen for 2 weeks before a psa blood test lowers my psa count. Why?

I have a high psa count but no prostate cancer. Recently I found that taking ibiprophen for 2 weeks before a psa blood test lowers my psa count. Why?

Inflammation: Psa can be elevated in conditions other than cancer. Anti-inflammatory drugs can lower psa by reducing inflammation. Studies that reported lower risk of prostate cancer with asprin use have since been challenged on this basis. ...Read more

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Is a psa blood test for prostate cancer part of an annual physical?

Is a psa blood test for prostate cancer part of an annual physical?

No: Guidelines advise not screening for prostate cancer with the psa test. More information here in my health guide on psa. http://bit.ly/kqdvhz. ...Read more

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What is the most reliable test for the progression of prostate cancer? (other than PSA blood test)

What is the most reliable test for the progression of prostate cancer? (other than PSA blood test)

See below: PSA is a screening test. Other tests such as percent-free PSA and complexed PSA can be done on blood to check for the amount of free PSA present. If your % free PSA is less than 10%, you should definitely consider a prostate biopsy. Levels between 10-25% should be discussed with your Urologist. PSA density/velocity and age-related PSA tests are controversial; therefore discuss with your Urologist ...Read more

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My prostate biopsy came back positive for cancer. Doctor ordered a blood test. Would he possibly be checking my white blood cell count?

My prostate biopsy came back positive for cancer.  Doctor ordered a blood test.  Would he possibly be checking my white blood cell count?

No: blood tests done for prostate cancer are usually done for two reasons. One is to get a baseline PSA. The other is to look for bone metastases. Alkaline Phosphatase can go up if the cancer has spread to the bone. Ask your doctor when you get the results. ...Read more

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When blood test and prostate exams comes back normal, could you still have bone cancer of the iliac?

When blood test and prostate exams comes back normal, could you still have bone cancer of the iliac?

Not sure: Bone cancer has very specific imaging findings as well as symptoms. Metastatic prostate cancer to bone is a late stage disease phenomenon, and most unlikely in a 49 year old. Not sure which blood tests were normal (psa, alkaline phosphotase, ?), so am not positive how to answer this. ...Read more

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My prostate biopsy came back positive for cancer. Urologist has ordered a blood test, bone scan, & CT Scan. What is he looking for in the B/test?

My prostate biopsy came back positive for cancer.  Urologist has ordered a blood test, bone scan, & CT Scan.  What is he looking for in the B/test?

Additional tests: after a positive biopsy for prostate cancer are done to determine if the cancer has spread to other parts of the body. The bones are a common area for prostate cancer to spread (metastasize.) Good luck! ...Read more

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Dr. Moez Khorsandi
524 doctors shared insights

Prostate Cancer (Definition)

Cancer is a new growth of any tissue with an ability to spread - metastasize - along blood vessels and lymphatic channels to near or far sites of the body with never-ending aggressiveness until the host succumbs to death by it or other related problems. Prostate cancer is one of them ranked as #2 cancer (after skin cancer) and & #2 cancer death (after lung cancer). 1 in 6-7 men in ...Read more


Dr. Zahid Niazi
7 doctors shared insights

Prostate (Definition)

The prostate is a gland that lies at the base of the bladder and surrounding a segment of urethra. It secretes a milky fluid that is discharged by excretory ducts into the urethra during the emission of semen. It is clinically important because enlargement of the prostate with age, and prostate cancer are two common ...Read more