Prostate

Prostate

The prostate is a vital organ in the male reproductive system, responsible for producing seminal fluid that, when combined with sperm from the testicles and fluids from other glands (the seminal vesicle and the bulbourethral gland), makes up semen.

As men age, the prostate can develop different conditions, such as urinary problems, inflammation, and cancer. Understanding how the prostate works and its associated conditions helps in the early detection and management of prostate-related issues.

Dr Michael Wong
Medically reviewed by Dr Michael Wong, Medical Director & Senior Consultant Urologist
FAMS (Urology), FICS (USA), FRCS (Edinburgh), M Med (Surgery), MBBS (S’pore)

What Is the Prostate?

The prostate is a small gland found in men and is about the size and shape of a walnut. It is positioned below the bladder and surrounds the urethra, the tube that carries urine out of the body.

What Is the Role of the Prostate?

The prostate’s primary function is the production of seminal fluid that nourishes and transports sperm. The prostate muscles contract and block the opening between the bladder and urethra to prevent urine from mixing with semen, and only seminal fluid is expelled during ejaculation.

Additionally, the prostate secretes an enzyme called 5-alpha reductase that converts testosterone into dihydrotestosterone (DHT). DHT is a potent androgen necessary for male sexual function and the development of male characteristics such as facial hair.

Study and analysis of the prostate

Common Prostate Conditions

Unfortunately, prostate problems are some of the most common conditions in men. Common prostate conditions include:

Prostate Cancer

Prostatitis (Inflammation of the Prostate)

Enlarged Prostate (Benign Prostatic Hyperplasia – BPH)

Prostate Cancer

Prostate cancer is the most common type of cancer affecting men in Singapore. At-risk groups include men above 50 and those with a family history of the disease. Prostate cancer usually progresses very slowly, may not display obvious symptoms, and may only require minimal or even no treatment for a long time. However, some types of prostate cancer can be aggressive. Even if you have no symptoms, a prostate exam and/or prostate-specific antigen (PSA) blood test are still generally recommended after the age of 45, particularly for those with a family history of prostate cancer.

Prostatitis (Inflammation of the Prostate)

Prostatitis occurs when your prostate becomes inflamed and swollen. However, it is not cancerous and should not be confused with the condition known as an enlarged prostate. Prostatitis is a common urinary tract issue particularly among men between the ages of 30 and 50. There are generally four types of prostatitis: acute bacterial prostatitis, chronic bacterial prostatitis, chronic prostatitis/chronic pelvic pain syndrome, and asymptomatic inflammatory prostatitis.

Enlarged Prostate

An enlarged prostate (benign prostatic hyperplasia – BPH) is very common, as the prostate naturally increases in size once a man passes the age of 40. When the increase becomes excessive, however, the prostate presses on the urethra, narrowing it and causing patients to suffer from difficulty urinating and emptying their bladders fully.

If left untreated, it can result in urinary tract infections (UTIs) or even a sudden inability to urinate—a painful medical emergency. While medical and surgical treatments for severe cases of BPH are available, treatment is usually not required. However, annual exams will be conducted annually to ensure no complications develop.

Man going to the toilet

Common Symptoms of
Prostate Problems

The symptoms of prostate problems vary depending on the condition, but they may include:

Frequent urge to urinate, particularly at night

Trouble emptying the bladder fully after urinating

Having a weak urine stream

Presence of blood in urine or semen

Pain or burning sensation during urination or ejaculation

Persistent pain or stiffness in the lower back, hips, or pelvic or rectal region

Urine leakage or dribbling

Early detection is key to keeping your kidneys healthy. If you notice any abnormal urinary symptoms, consult a kidney specialist today.
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How Are
Prostate Conditions Diagnosed?

During the examination, the doctor will ask the patient to describe their symptoms and review their medical and family histories.

Additionally, they can perform further tests, including:

Health checkup with doctor

Digital Rectal Exam (DRE)

In this procedure, the doctor inserts a gloved, lubricated finger into the rectum to look for lumps or nodules in the prostate gland, which could indicate signs of cancer or other conditions.

Prostate-Specific Antigen (PSA) Test

This test measures the amount of PSA, a protein produced by the prostate gland, in the bloodstream. High levels may reveal the presence of prostate cancer, prostatitis, or other issues.

Prostate Biopsy

If the PSA results are high, the doctor may obtain small tissue samples from the prostate gland using a thin needle for a microscopic examination to detect cancerous cells.

Prostate Ultrasound

Also called transrectal ultrasound, this procedure involves inserting a probe into the rectum to visualise the prostate gland and check for any abnormalities, such as tumours or cysts.

Prostate MRI Scan

This advanced imaging technique uses powerful magnetic fields and radio waves to produce images of the prostate and identify areas suspicious for prostate cancer.
The International Urology, Fertility & Gynaecology Centre offers a wide range of treatments for various prostate conditions, including radiation therapy, chemotherapy, surgery, and ESWL for chronic prostatitis.
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