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Sunday, October, 25, 2009

Psa Test Levels

Obesity may interfere with prostate cancer blood test

September 14, 2009
Blood tests that screen for prostate cancer may not be able to accurately diagnose the disease in obese men, new studies show. Obese men have lower concentrations of prostate-specific antigen (PSA) in their blood, either because they have higher blood volume or lower levels of testosterone, researchers suggest. Because most cases of prostate cancer are diagnosed after a blood test registers high PSA levels in the blood, obesity could cause the test to miss the presence of the disease. Read more »

Expert & Community Posts

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Can Sexual Activity before a PSA Test Elevate PSA Level?
By Jay Motola , Health Expert

...X-NONE   Can sexual activity just before a PSA blood test make PSA results jump from 2 to... Read more »

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What is a Normal PSA? - Ask the Expert
By Jay Motola , Health Expert

...troubling or warrant further tests?     PSA cut off levels have been debated for many years.... Read more »

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Baseball, Hot Dogs, Apple pie and Prostate Screening???
By healthgal , Health Expert

...undergo a PSA screening test to measure their PSA levels.  Ed Randall, a baseball broadcaster,... Read more »

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What is a Normal Testosterone Level?
By Jay Motola , Health Expert

...as frequently as in the past.     Testosterone levels start to fall after age 40.  Symptoms... Read more »

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Low PSA: Can Your PSA Level Be Too Low?
By Jay Motola , Health Expert

Dear Dr. Motola, If a person has a low PSA can you attribute this to any particular factor or... Read more »

Health Guide

PSA Test: How it Works and What Your PSA Level Means
What Does PSA Mean?PSA is a blood test that is commonly used to help predict the presence of prostate cancer.  It stands for Prostate Specific Antigen (PSA) and refers to a protein first identified... Read more »
PSA Levels: Normal PSA or Elevated PSA?
...for varying age ranges, but there is not universal agreement about the accuracy of the age-adjusted levels. Many times urologists are faced with the dilemma of the young patient with the... Read more »
PSA Test Accuracy
...sensitivity of 86%, specificity of 33%, and positive predictive value of 41% have been identified for PSA levels higher than 4.0.  Free PSA testing is associated with higher specificity.... Read more »
New Early Dectection Method for Prosate Cancer Developed
...cancer has led to a dramatic increase in the number of prostate cancer cases discovered. However, PSA levels are not exact and many men with elevated PSA levels do not have cancer while some men... Read more »
Prostate Cancer Diagnosis and Screening
...following:Men ages 50 to 70 should be offered annual screening. (Some experts believe that men whose PSA levels are under 1.0 and possibly under 2.0 may safely be screened only every two years... Read more »

Medications

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...and/or medical tests (e.g., blood testosterone level, PSA blood test) should be performed... Read more »

Proscar_254518_4

...Laboratory and/or medical tests (e.g., prostate exams, PSA levels) should be performed... Read more »

Znc07050_149688_5

...medical tests (e.g., prostate specific antigen-PSA levels, liver and kidney function tests,... Read more »

Eon74000_117210_5

...others. Laboratory and/or medical tests (e.g., hormone levels, PSA blood test for men, bone... Read more »

Uroxatral_291622_4

...(e.g., prostate exams, prostate-specific antigen or PSA) should be performed periodically to... Read more »

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Men who take daily doses of aspirin or other non-steroidal anti-inflammatory drugs have significantly lower levels of prostate-specific antigen... Read summary »

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