How is an enlarged prostate (BPH) diagnosed?

An enlarged prostate (BPH) is diagnosed through a combination of your medical history, symptom assessment, physical examination, and diagnostic tests. Your urologist may recommend tests such as a Digital Rectal Examination (DRE), urine test, PSA blood test, ultrasound, uroflowmetry, and post-void residual (PVR) urine measurement to confirm the diagnosis and rule out other conditions.

If you experience symptoms such as frequent urination, weak urine flow, difficulty passing urine, or waking up multiple times at night to urinate, your urologist will perform a thorough evaluation to determine whether BPH is the cause.

The diagnosis is not based on a single test. Instead, several assessments are combined to understand your prostate health and urinary function.

1. Medical History and Symptom Assessment

Your doctor will ask about:

• Frequent or urgent urination.
• Weak urine stream.
• Difficulty starting urination.
• Night-time urination (nocturia).
• Feeling that the bladder does not empty completely.
• Previous urinary tract infections or prostate problems.

This helps determine how severely your symptoms affect your daily life.

2. Digital Rectal Examination (DRE)

A Digital Rectal Examination (DRE) allows the doctor to assess the size, shape, and consistency of the prostate gland. It is a quick examination that provides valuable information about prostate enlargement and helps identify whether further evaluation is needed.

3. PSA Blood Test

A Prostate-Specific Antigen (PSA) blood test measures the level of PSA produced by the prostate. While PSA levels may be higher in men with BPH, they can also increase due to other prostate conditions. Your doctor interprets the results along with your symptoms and examination findings.

4. Urine Test

A urine test helps rule out urinary tract infections, blood in the urine, or other conditions that may cause symptoms similar to BPH.

5. Ultrasound

An ultrasound may be performed to assess:

• Prostate size.
• Bladder condition.
• Remaining urine after urination.
• Kidney health, if required.

6. Uroflowmetry and Post-Void Residual (PVR)

These tests help evaluate how well the bladder empties.

• Uroflowmetry measures the speed and strength of the urine stream.
• Post-Void Residual (PVR) measures how much urine remains in the bladder after urination.

These investigations help determine the severity of urinary obstruction.

Why is accurate diagnosis important?

Several conditions can cause symptoms similar to BPH, including:

• Urinary tract infections.
• Overactive bladder.
• Bladder stones.
• Urethral stricture.
• Prostate cancer.

A proper diagnosis ensures that the most appropriate treatment is recommended.

SCI International Hospital / Dr. Gautam Banga

At SCI International Hospital, New Delhi, Dr. Gautam Banga, Senior Consultant Urologist and Andrologist, provides comprehensive evaluation for men with urinary symptoms suggestive of BPH. Using advanced diagnostic tools such as PSA testing, DRE, ultrasound, uroflowmetry, and PVR assessment, he accurately diagnoses the condition and develops a personalized treatment plan tailored to each patient's symptoms, prostate size, and overall health.