PSA/Free PSA, Free PSA/PSA values
Hello Dr.
Du, I recently received my company health check report, which indicated a PSA level of 4.430 (I am 50 years old, PSA <4).
I was advised to undergo further examination.
During the follow-up examination, the doctor performed an ultrasound and a digital rectal exam, and found no significant tumors or hard masses, only benign prostatic hyperplasia.
I was also advised to have a follow-up blood test in six weeks.
During the second blood draw, I wanted to check the results through the National Health Insurance health passbook.
The test results were: Free PSA: 0.525 (normal); PSA: 2.811 (normal); Free PSA/PSA: 18.66 (abnormal).
Given these values, should I consider a biopsy? Or can I discuss with my doctor the possibility of a biopsy or a CT scan? Could the results be influenced by having sexual intercourse five days ago or by jogging for ten minutes two days ago? I am feeling anxious, so I would like to know in advance how my doctor might proceed and what mindset I should have moving forward.
Du, 50~59 year old female. Ask Date: 2023/12/06
Dr. Du Shixi reply Urology
Hello: There are many factors that can influence this.
If the examination and ultrasound show no abnormalities, we will proceed with regular follow-up in three months.
Most cases are benign.
Wishing you good health.
Reply Date: 2023/12/06
More Info
Understanding PSA (Prostate-Specific Antigen) and Free PSA results can be quite complex, especially when considering the various factors that can influence these values. Your recent health check revealed a PSA level of 4.430, which is above the generally accepted normal range of less than 4.0 ng/mL for men. This prompted further investigation, including a digital rectal exam (DRE) and ultrasound, which did not reveal any tumors or hard masses, but indicated benign prostatic hyperplasia (BPH), a common condition in older men.
Your subsequent blood tests showed a PSA level of 2.811 ng/mL and a Free PSA of 0.525 ng/mL, with a Free PSA to Total PSA ratio of 18.66%. While your Free PSA level is considered normal, the ratio is below the threshold that many clinicians use to assess the risk of prostate cancer. Generally, a Free PSA percentage greater than 25% is associated with a lower risk of prostate cancer, while a lower percentage can indicate a higher risk.
Several factors can influence PSA and Free PSA levels, including recent sexual activity, vigorous exercise, and certain medications. For instance, ejaculation can temporarily elevate PSA levels, and while the exact impact on Free PSA ratios is less clear, it is plausible that recent sexual activity could affect your results. Similarly, physical activities like running may also have a minor impact, although this is less well-documented.
Given your situation, the next steps depend on a combination of your PSA results, Free PSA ratio, and clinical findings from your examinations. Since your ultrasound and DRE did not indicate any abnormalities, and your PSA levels have fluctuated, your doctor may recommend a watchful waiting approach with regular monitoring. This is often the case when there are no alarming signs of cancer, especially in the context of BPH.
However, if you are feeling anxious about your results, it is entirely reasonable to discuss further testing options with your physician. This could include a prostate biopsy, which is a more definitive test for prostate cancer, or imaging studies like a CT scan if there are concerns about other underlying issues. It is crucial to communicate your worries and preferences with your healthcare provider, as they can help tailor the follow-up plan to your specific situation.
In terms of mindset, it is important to remain proactive but also to understand that elevated PSA levels do not automatically mean cancer. Many men experience elevated PSA levels due to benign conditions like BPH or prostatitis (inflammation of the prostate). Regular follow-up and open communication with your healthcare provider can help alleviate concerns and ensure that any potential issues are addressed promptly.
In summary, while your Free PSA ratio is lower than the ideal threshold, the absence of significant findings during your physical examination and imaging suggests that immediate invasive procedures may not be necessary. Regular monitoring and discussions with your doctor about your results and any changes in your health will be key in managing your prostate health moving forward.
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