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 significant. Previously, the magic number of “4” was defined as being the upper limit of “normal.” However, this may not be a good rule of thumb since approximately 15% of prostate cancers can occur in men with a “normal” PSA. When interpreting a PSA value, several factors need to be taken into consideration—not just the absolute value of the PSA. Some of these factors include: Age adjustment of the PSA PSA density Percent free PSA PSA velocity Age-Adjusted PSA Recent data has redefined the way that urologists look at PSA, and what is considered a "normal" PSA. Age-adjusted PSA values take into account that a 40-year-old should not have the same PSA as an 80-year-old. Accepted age-adjusted PSA rates are below 2.4 ng/ml for men under...
Dear Dr. Motola,
Four years ago I had surgery for a left inguinal
hernia, which unfortunately resulted in uncorrected internal post-op bleeding
causing ischemia and subsequent atrophy to the left testicle. Until
recently, I've never had my testosterone level checked against the reference
range. I am 83 years old and in very good health. I am told the normal
reference range is 200 to 900, hence my question ... is 259 good or bad
and is it dependent upon both testes functioning? My PSA level averages
3.5 and DRE tests are always normal. I have BPH . I am sexually active but not
as frequently as in the past.
start to fall after age 40. Symptoms
associated with decreased levels include memory loss, mood changes, depression ,
increased fat mass, loss of muscle mass, and a decrease in sexual function. These
symptoms are also associated with the aging process. Many times patients may
experience some of these symptoms, h...
Dear Dr. Motola,
If a person has a low PSA can you attribute this to any particular factor or factors? In other words are there any medical reasons for a low PSA? A friend told me that there has to be mitigating factors for this low score.
A low PSA is usually desirable as it will be associated with a lower likelihood of prostate cancer . Prostate cancer is not always associated with an elevated PSA as tumors that are very high grade may be associated with normal PSA . This occurs because high-grade tumors are very dissimilar to normal prostate, and as a result lose their ability to secrete PSA. Most often these patients will have very abnormal digital rectal examination. Patients taking Proscar or Avodart may often have low PSA values. This group of patients needs to have careful scrutiny of the interpretation of their PSA.
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