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About the size and shape of a walnut, it is sited below your bladder and above the base of your penis, between your pubic bone and your rectum. It encircles the urethra (the tube through which urine passes from the bladder).
The most common sign of a prostate problem is difficulty in passing urine. Changes in the prostate narrow the urethra, the tube which carries urine from the bladder.
You might experience:
Go to your GP. They may want to examine your prostate. This involves inserting a gloved finger into your anus to feel the size and shape of your prostate. They may also want to do a blood test?
The blood test measures something called Prostate Specific Antigen (PSA). PSA is a protein produced by normal cells in the prostate and also by prostate cancer cells. It is normal for all men to have a small amount of PSA in their blood. A raised PSA level may show that you have a problem with your prostate, but not necessarily prostate cancer.
There are generally three conditions that affect the prostate.
Prostate enlargement is a common condition associated with ageing. About a third of all men over 50 years of age will have symptoms of prostate enlargement. If the prostate becomes enlarged it can place pressure on the urethra, making it more difficult for the bladder to empty.
A simple treatment for prostate enlargement is to reduce the amount you drink before you go to bed.
Medications, such as alpha blockers, are also available to help relax the prostate gland muscles, or reduce its size, making it easier to urinate.
In more severe cases that fail to respond to medication, the inner part of the prostate gland that is blocking the urethra can be surgically removed using laser surgery.
Research into the best surgical techniques continues with doctors looking for maximum effectiveness and minimum side-effects. In September 2015, NICE approved the UroLift technique which rather than cutting parts of the prostate away uses small implants to prevent the prostate pressing against the urethra (pee-tube) and making peeing difficult. Research into other techniques continues too.
Prostatitis is a poorly understood condition where the prostate gland becomes inflamed (red and swollen). Inflammation often occurs as a response to infection, but in most cases of prostatitis no evidence of infection can be found. Prostatitis is thought to affect up to 3 in 20 men (15%) at some point in their lives. Although it can affect men of any age, it is more common in men between 30-50 years of age. Prostatitis can be treated using a combination of painkillers and a type of medication known as an alpha-blocker, which can help relieve the symptoms.
Prostate cancer is the most common type of cancer in men, with over 40,000 new cases diagnosed every year.Your chances of developing prostate cancer increase with age. Most cases occur in men who are 50 years of age or older. The causes of prostate cancer are unknown, but risk factors include age, ethnic origin and family history.
The outlook for prostate cancer is generally good because, unlike many other types of cancer, it usually progresses very slowly. Many men die with prostate cancer, rather than as a result of having it.
If treated early, prostate cancer can often be cured. Treatments include:
Prostate Specific Antigen (PSA) is a chemical produced normally by prostate cells. It is a type of chemical known as an enzyme, and it is believed to have a role in liquefying semen after ejaculation (which may help in sperm motility).
PSA is only produced by prostate cells (it is prostate specific), but is produced by both cancerous and non-cancerous prostate cells (it is not cancer specific). Although PSA is the best example we have of a marker for prostate cancer this non-specificity for cancer means that there are reservations about the interpretation of raised values.
Essentially, one of the following scenarios may commonly occur:
Â· A man with prostate cancer may not have a raised PSA test (this is known as a false-negative result)
Â· A man with a raised PSA may not have prostate cancer (this is known as false-positive result)
The recent introduction of age-specific ranges for normal PSA values was an attempt to make the PSA test a better one. Rather than use the absolute limit of more than 4 ng/ml most urologists now use the following values:
Age (Years) Reference Range (ng/ml)
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Date of last review 03/04/14
Date of next review 03/04/17