Prostate-Specific Antigen (PSA) Biomarker Test

Prostate-Specific Antigen (PSA) Biomarker Test Guide

The Prostate-Specific Antigen (PSA) biomarker test is commonly used to screen for prostate health issues, particularly prostate cancer, in men. PSA is a protein produced by the prostate gland, and elevated levels can indicate prostate conditions such as cancer, benign prostatic hyperplasia (BPH), or prostatitis.

What Is the Prostate-Specific Antigen (PSA) Biomarker Test?

The PSA test measures the level of PSA in a man’s blood. PSA is a protein made primarily by the prostate, a small gland that sits below the bladder. The test is used mainly to detect prostate cancer in its early stages and monitor the effectiveness of treatment in men already diagnosed with the disease. It can also detect other prostate-related conditions like benign enlargement or inflammation.

Why Get a Prostate-Specific Antigen (PSA) Test?

There are several reasons to get a PSA test:

  • Prostate Cancer Screening: The primary reason for a PSA test is to screen for prostate cancer, particularly in men aged 50 or older or those at higher risk.
  • Monitor Prostate Cancer Treatment: For men diagnosed with prostate cancer, PSA tests can monitor how well treatments like surgery or radiation are working.
  • Detect Benign Prostatic Hyperplasia (BPH): Elevated PSA levels can also indicate BPH, a non-cancerous enlargement of the prostate.
  • Check for Prostatitis: Inflammation or infection of the prostate can cause a rise in PSA levels.
  • Assess Family History Risk: Men with a family history of prostate cancer may opt for regular PSA tests as a preventative measure.

Any Related Health Symptoms and Reasons to Take This Test

The PSA test is often recommended for men experiencing symptoms that might indicate prostate issues, including:

  • Difficulty urinating: A weak or interrupted urine flow.
  • Frequent urination: Especially at night (nocturia).
  • Pain or discomfort: In the pelvic area, lower back, or while urinating.
  • Blood in urine or semen: A possible sign of prostate issues.
  • Erectile dysfunction: May be related to prostate enlargement or cancer.
  • Family history of prostate cancer: Men with a family history are often advised to start screening earlier.

What Are the Normal Ranges for PSA?

PSA levels are measured in nanograms per milliliter (ng/mL). The typical normal ranges for PSA levels are:

  • 0 to 4.0 ng/mL: Considered the normal range, though age, ethnicity, and family history may influence this.
  • 4.0 to 10.0 ng/mL: Indicates a higher risk of prostate cancer, and further tests may be needed.
  • Over 10.0 ng/mL: Suggests a significantly higher risk of prostate cancer.

It’s important to note that PSA levels can fluctuate due to factors like infection, recent ejaculation, or even certain medications.

What Type of Health Professionals Can Use the Results?

The PSA test results can be used by:

  • Urologists: Specialists in male reproductive health and urinary tract issues, particularly for diagnosing and treating prostate-related conditions.
  • Oncologists: For diagnosing and managing prostate cancer.
  • Primary Care Physicians: For routine screening and monitoring prostate health.
  • Geriatricians: For assessing prostate health in older men.
  • Radiologists: In interpreting imaging results in conjunction with PSA levels to better understand prostate abnormalities.

How to Prepare for the Test

Preparation for a PSA test is straightforward:

  • Avoid ejaculation: Refrain from sexual activity for 24-48 hours before the test, as it can temporarily raise PSA levels.
  • Avoid physical activity: Strenuous exercise, particularly activities like cycling that put pressure on the prostate, should be avoided before testing.
  • Inform your doctor about medications: Certain drugs, such as finasteride or dutasteride (used to treat BPH), can lower PSA levels.
  • No special fasting: You don’t need to fast before the test unless your doctor orders other blood tests that require fasting.

How Often Should the Test Be Taken?

The frequency of PSA testing depends on several factors:

  • Men aged 50 and older: A yearly test is often recommended for prostate cancer screening, especially if there is a higher risk.
  • High-risk individuals: Men with a family history of prostate cancer may start screening earlier, around age 40 or 45, with annual follow-ups.
  • Ongoing cancer monitoring: If you are being treated for prostate cancer, your healthcare provider may recommend more frequent PSA testing (every few months) to monitor progress.
  • Benign conditions: If you’ve been diagnosed with BPH or prostatitis, your doctor may suggest regular monitoring depending on your symptoms.

What’s the Next Step After Testing?

After receiving the PSA test results, the following steps might be taken:

  • Interpretation of Results: If your PSA level is within the normal range, no immediate action may be required, but regular monitoring might be advised.
  • Further testing: If your PSA is elevated, your doctor may recommend additional tests like a digital rectal exam (DRE), prostate ultrasound, or a biopsy to determine the cause.
  • Monitoring over time: If your PSA is slightly elevated, your healthcare provider may suggest monitoring PSA levels over time to see if they rise further.
  • Treatment options: If prostate cancer is diagnosed, treatment options may include surgery, radiation, hormone therapy, or active surveillance, depending on the stage and aggressiveness of the cancer.

Questions Related to Prostate-Specific Antigen (PSA) Tests and Results

  1. What do high PSA levels mean?
    • High PSA levels can indicate prostate cancer, but they can also be caused by benign prostatic hyperplasia (BPH), prostatitis, or other non-cancerous conditions.
  2. Should I get a PSA test if I don’t have symptoms?
    • Many healthcare providers recommend routine PSA screening for men over 50 or those at higher risk, even if no symptoms are present, to catch prostate cancer early.
  3. Can PSA levels fluctuate over time?
    • Yes, PSA levels can vary due to infection, recent sexual activity, prostate manipulation, or even certain medications. It’s important to monitor trends over time.
  4. Is an elevated PSA always a sign of prostate cancer?
    • No, elevated PSA levels can result from BPH, infections, or inflammation, so further testing is needed to determine if cancer is the cause.
  5. What are the risks of PSA testing?
    • False positives (elevated PSA without cancer) and false negatives (normal PSA despite having cancer) are potential risks, leading to unnecessary tests or missed diagnoses.
  6. What should I do if my PSA level is high?
    • If your PSA is elevated, your healthcare provider may recommend additional tests, such as a biopsy, to determine if the cause is prostate cancer or a benign condition.

 

 


The Prostate-Specific Antigen (PSA) biomarker test is an essential tool for screening prostate cancer and monitoring prostate health. Urologists, oncologists, and primary care physicians frequently use PSA levels to diagnose and manage prostate-related conditions. While elevated PSA levels do not always mean cancer, they do warrant further investigation. Regular testing and follow-up can help detect prostate cancer early and improve treatment outcomes, especially in high-risk men. Preparing for the test is simple, and understanding the results can lead to better management of prostate health. 

The Hosst.com Platform uses a Digital Twin to help users manage their health by tracking, organising, and optimising healthcare activities. It provides personalised insights and assists with scheduling checkups, tests, and doctor visits.

Key features include:

  • Symptom management: Recommends tests and treatments based on user input.
  • Health data tracking: Monitors glucose, blood pressure, and more from health devices or manual inputs. Connects with your favorite apps and health monitors.
  • Alerts: Warns of abnormal health signs and suggests corrective actions.
  • Lifestyle recommendations: Offers diet, medication, and lifestyle tips based on health trends.
  • Test result interpretation: Simplifies complex results and explains what they mean for the user.
  • Preventive care: Sends reminders for checkups and suggests actions to prevent illness.
  • Health scenario simulations: Predicts potential health outcomes based on current data.
  • Product and service finder: Helps users find the right healthcare product or service.
  • Doctor visit preparation: Gathers vitals, history, insurance, and questions for productive visits, with easy sharing to doctors.
  • User-friendly: Ask in your own words, available on tablets, desktops, and mobile devices.

 

The platform simplifies health management and improves well-being. Free and easy to use and no installation required, get started today.

 


Disclaimer: The information provided in these articles is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare professional before making any decisions about your health or starting any treatments.

 

Photo credits Freepik.com

Lab Tests App
Logo