Prostate PSA Cancer Test
When should I have a PSA test?
Generally, men who are screened for prostate cancer have the PSA test beginning at age 50. There are men who get this test earlier, for example, those men who have a family history of prostate cancer, or in black men.
What does a PSA level indicate?
Well, PSA will be higher in cases of prostate cancer. However, other factors may artificially elevate the PSA, such as a large prostate, or inflammation, including prostatitis.
What factors can increase or decrease PSA levels?
Local factors of the prostate or adjacent organs can affect the PSA levels. For example, bed rest may lower PSA levels, but inflammation or enlargement of the prostate can make the PSA rise. Recent sexual activities may increase the PSA, as will other factors, including things such as a recent prostate exam.
How accurate is a PSA test?
One of the controversies about the use of PSA to detect prostate cancer is its wide variations. Sometimes it varies in different labs or with the local factors such as recent prostate exams or recent sexual activity.
What are the drawbacks of an early PSA test?
Doing a PSA test early, if it's abnormal, may lead to additional testing. Some of which may be invasive and have potential for side effects or complications.
What are age-specific PSA tests?
Age-specific PSA tests are those that are looked at given the patient's age. For example, the younger man should have a lower PSA to be considered normal and an older man may have a PSA higher than four and still be considered normal.
What is PSA density?
PSA density is a measurement of the PSA value against the size or volume of the prostate. A larger prostate, therefore, could have a higher PSA but still be considered normal.
