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27th March 2024

What is the PSA blood test?


What is the PSA blood test?

PSA stands for prostate specific antigen. This is a protein produced by the cells in your prostate gland. The blood test measures the amount of PSA in your blood. Thus it is normal to have a small amount of PSA in your blood.


What do elevated levels of PSA mean?

As you get older your prostate gland enlarges and this will raise your PSA levels.

Elevated PSA levels could mean that you might have other problems with your prostate and this does not mean you have prostate cancer.

Common causes of elevated PSA include:

  1. An enlarged prostate
  2. Infection or inflammation of the prostate (prostatitis)
  3. Prostate cancer
  4. Vigorous exercise
  5. Urine infection
  6. Ejaculation
  7. Anal sex and prostate stimulation


What are the risk factors for prostate cancer?

  • Your age (50+)
  • If you are Black (1 in 4 will get prostate cancer in their lifetime)
  • Family history (twice more likely if your father or brother has had it)


Benefits of having the PSA blood test:

  1. A minimally invasive test
  2. May pick up cancer before you have symptoms
  3. May pick up fast-growing cancer in its early stages

Limitations/Disadvantages of the PSA test:

  1. It does not always pick up the cancer, 1 in 7 men with a normal PSA level may have cancer; 1 in 50 men with normal levels may have a fast-growing cancer.
  2. If your levels are raised you may need further investigations which includes an MRI and a biopsy. A biopsy has side effects which include pain, bleeding and infection.
  3. If you are diagnosed with a slow-growing localised you might not need treatment but this can cause anxiety.

Want to book a PSA test?

Here at VIDA Clinics we offer a 'Face-the-finger' one stop clinic where we discuss your risk factors, symptoms, examination and blood test.

For further information you can have a look at the following:

Our Locations
VIDA Woodside

1 Pacific Road



CH41 1LJ

Woodsidevida 57
VIDA South Road

18 South Road



L22 5PQ

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VIDA Birchwood
Venturi Cardiology

720 Birchwood Boulevard



VIDA Chester
Total Fitness

53 Liverpool Rd



Internal photo of VIDA Clinic Chester premises
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