Sunday, October, 25, 2009
Psa Test Levels
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.
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Expert & Community Posts
By Jay Motola
,
Health Expert
...X-NONE Can sexual activity just before a PSA blood test make PSA results jump from 2 to...
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By Jay Motola
,
Health Expert
...troubling or warrant further tests? PSA cut off levels have been debated for many years....
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By healthgal
,
Health Expert
...undergo a PSA screening test to measure their PSA levels. Ed Randall, a baseball broadcaster,...
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By Jay Motola
,
Health Expert
...as frequently as in the past. Testosterone levels start to fall after age 40. Symptoms...
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By Jay Motola
,
Health Expert
Dear Dr. Motola, If a person has a low PSA can you attribute this to any particular factor or...
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Health Guide
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...
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...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...
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...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....
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...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...
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...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...
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Medications
...and/or medical tests (e.g., blood testosterone level, PSA blood test) should be performed... Read more »
...Laboratory and/or medical tests (e.g., prostate exams, PSA levels) should be performed... Read more »
...medical tests (e.g., prostate specific antigen-PSA levels, liver and kidney function tests,... Read more »
...others. Laboratory and/or medical tests (e.g., hormone levels, PSA blood test for men, bone... Read more »
...(e.g., prostate exams, prostate-specific antigen or PSA) should be performed periodically to... Read more »
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