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Psa Test False Positives
Several statistical terms are important to understand when trying to make sense of who should have their PSA tested or their prostate biopsied.
- The sensitivity of a test refers to the proportion of individuals in a population that will be correctly identified when tested for a particular disease.
- The specificity of a test refers to the probability that a person who does not have the particular disease and is tested for the disease will be correctly identified as not having the disease.
Thes...
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From Our Experts
PSA Velocity: What Does a Quick Rise in PSA Mean?
Dear Dr. Greenstein: My friend ,who is in his early 50s, just got the results of his annual PSA test - it was between 4-5. The... Read more »
PSA Screening of Informed Patients
PSA Screening of Informed Patients Recently I blogged concern over population-wide research revealing how women, feeling current,... Read more »
Can Sexual Activity before a PSA Test Elevate PSA Level?
Dear Dr. Motola, Can sexual activity just before a PSA blood test make PSA results jump from 2 to 12? PSA testing immediately... Read more »
What is a Normal PSA?: Ask the Expert
Dear Dr. Motola: What is the normal PSA for a 69 year-old man? At what level does the PSA become troubling or warrant further tests? ... Read more »
The Great PSA Debate!!
In a recent Op-Ed in the NY Times, a non-clinician PhD, announces another fix to the health care crisis. Lets do away with PSA testing... Read more »
From Our Sources
PSA Test: Prostate Specific Antigen
Source: ADAM Encyclopedia
PSA stands for prostate-specific antigen. It is a protein produced by prostate cells.This article discusses the blood test to measure the amount of... Read more »
Ultrasound+mammogram increases diagnosis and false positives
A new study tested the theory that using both mammograms and ultrasound scans would make it easier to detect breast cancer. Researchers found that... Read more »
Protonix may give false-positives for marijuana use
Occupational medicine physician Robert Swotinsky shares an article with his Web log readers about Protonix and its link to false-positives for... Read more »
PSA Test Risks
Source: ADAM Encyclopedia
Prostate-specific antigen; Prostatecancer screening testWhat the risks areVeins and arteries vary in size from one patient to another and from one... Read more »
PSA Levels: Normal PSA or Elevated PSA?
Is My PSA Level Normal? The absolute value of PSA has been the long-term standard of care to determine whether one’s PSA elevation is... Read more »
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