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Transperineal Prostate Biopsy in Singapore

For men facing possible prostate cancer or elevated PSA levels, an accurate diagnosis is essential for determining appropriate treatment options. A transperineal prostate biopsy is a method for sampling prostate tissue that may help reduce infection risks compared to traditional approaches. This diagnostic procedure accesses the prostate through the perineum (the area between the scrotum and anus) rather than through the rectum, providing tissue sampling for analysis. Understanding what this procedure entails can help you feel more prepared about your diagnostic journey.

Individual results and experiences may vary. This procedure is administered as part of a comprehensive plan supervised by a urologist.

Dr. Nor Azhari Bin Mohd Zam
Dr. Nor Azhari Bin Mohd Zam

MBBS (NUS)|MRCS (Edin.)|MMed Surgery (NUS)|FAMS (Urology)

Prostate disease and treatment. Male reproductive system anatomical model in doctors hands close up during consultation of male patient with suspected bacterial prostatitis Transperineal Prostate Biopsy in Singapore

What is Transperineal Prostate Biopsy?

A transperineal prostate biopsy is a diagnostic procedure where tissue samples are taken from the prostate gland by inserting biopsy needles through the perineal skin. This approach allows urologists to systematically sample different regions of the prostate to detect cancer cells or other abnormalities. The procedure uses ultrasound guidance to help with needle placement and coverage of the prostate gland.

Unlike the transrectal approach, which passes through the rectal wall, the transperineal route avoids contact with the rectum entirely. This may help reduce the risk of introducing bacteria into the prostate and bloodstream. The procedure can sample areas of the prostate, including the anterior zone, which can be accessed with this biopsy method.

The transperineal approach is recognised as a diagnostic tool, particularly when previous biopsies were inconclusive or when there’s continued suspicion of cancer despite negative results. Modern techniques allow either template-guided or freehand approaches, both of which provide systematic sampling of the prostate gland.

Who is a Suitable Candidate?

Ideal Candidates

Ideal Candidates

  • Men with elevated or rising PSA (prostate-specific antigen) levels requiring tissue diagnosis
  • Patients with abnormal digital rectal examination findings suggesting prostate irregularities
  • Individuals with suspicious MRI findings requiring histological confirmation
  • Men requiring repeat biopsy after previous negative results with ongoing clinical suspicion
  • Patients at higher risk of infection from transrectal biopsy
  • Those with rectal pathology preventing a transrectal approach
  • Men requiring extensive systematic sampling of the prostate
  • Patients needing targeted biopsy of the anterior prostate zones
Contraindications

Contraindications

  • Severe bleeding disorders or uncorrected coagulopathy
  • Active urinary tract infection requiring treatment first
  • Inability to tolerate anaesthesia required for the procedure
  • Severe anal stenosis preventing ultrasound probe insertion
  • Active perianal or perineal infections
  • Uncontrolled medical conditions requiring stabilisation

The decision to proceed with a transperineal prostate biopsy requires careful evaluation by a urologist who can assess your individual circumstances, medical history, and specific diagnostic needs. Your urologist may review your PSA trends, imaging results, and clinical findings to determine whether this procedure is appropriate for your situation.

Treatment Techniques & Approaches

  • Template-Guided Biopsy

    Template-guided transperineal biopsy uses a brachytherapy grid template placed against the perineum to guide needle insertion. This systematic approach aims to provide uniform sampling throughout the prostate gland. The template has predefined holes that correspond to specific prostate zones, enabling mapping of biopsy locations. This technique may be used for saturation biopsies that require extensive sampling.

  • Freehand Transperineal Biopsy

    The freehand technique involves the urologist manually directing the biopsy needle through the perineum using ultrasound guidance without a template. This approach offers flexibility in targeting specific areas of concern identified on MRI or ultrasound. The technique requires experienced operators and allows for cognitive or software-assisted fusion of MRI images with real-time ultrasound for targeted sampling.

  • Technology & Equipment Used

    Modern transperineal biopsies utilise high-resolution transrectal ultrasound probes for visualisation, despite the biopsy needles entering through the perineum. Spring-loaded biopsy guns are used to extract tissue cores. Some centres employ MRI-ultrasound fusion technology, which overlays MRI images onto real-time ultrasound, allowing targeting of suspicious areas identified on pre-procedure MRI scans. Specialised stabilisation devices help maintain probe position throughout the procedure.

Wondering which approach might be suitable for you?

Dr Azhari can evaluate your specific needs and discuss the available techniques.

The Treatment Process

Pre-Treatment Preparation

Before your transperineal prostate biopsy, you may undergo a pre-procedure assessment, including blood tests to check clotting function. Anticoagulant medications may need to be stopped several days before the procedure. You may receive antibiotics, typically starting the night before or morning of the procedure. Some patients may require bowel preparation with an enema to clear the rectum for ultrasound visualisation.

On the day of the procedure, arrange transportation, as sedation may affect your ability to drive. Wear comfortable, loose-fitting clothing. You may be asked to empty your bladder before the procedure begins. The medical team may verify your identity and confirm the planned procedure before proceeding.

During the Procedure

The procedure typically takes 20-40 minutes, depending on the number of samples required. You may be positioned in the lithotomy position (on your back with legs elevated) for access. After administering anaesthesia (either general anaesthesia or spinal block), the perineal area is cleaned and draped sterilely.

The ultrasound probe is inserted into the rectum for visualisation whilst the urologist inserts the biopsy needle through the perineum. Multiple tissue cores are systematically obtained from different regions of the prostate. You may hear clicking sounds from the biopsy gun, but you may not feel pain under anaesthesia. Each sample is immediately preserved in formalin for pathological analysis.

Immediate Post-Treatment

After the procedure, you may be monitored in recovery until the anaesthesia effects subside. The medical team may check for immediate complications such as bleeding or urinary retention. Patients typically resume normal urination within a few hours. You may notice blood in your urine, which is expected and resolves typically within days.

Before discharge, you may receive instructions about activity restrictions and warning signs to monitor. Antibiotics may be continued for several days. Pain medication may be prescribed if needed, though patients typically experience only mild discomfort. You can go home the same day once you have recovered from anaesthesia and can urinate satisfactorily.

Recovery & Aftercare

First 24-48 Hours

During the initial recovery period, rest is essential, though complete bed rest isn’t necessary. Apply ice packs to the perineum for 20 minutes at a time to reduce swelling and discomfort. Drink plenty of fluids to help flush the urinary system and minimise blood clot formation. Avoid strenuous activities, heavy lifting, and vigorous exercise.

Blood in the urine (haematuria) is typical and expected during this period. You may also notice blood in semen, which can persist for several weeks. Take prescribed antibiotics as directed to prevent infection. Monitor for signs of urinary retention, fever, or excessive bleeding that would require medical attention.

First Week

Continue avoiding strenuous activities and heavy lifting during the first week. Patients may return to desk work within a few days, though individual recovery timelines vary. Maintain good hydration to help clear any residual blood from the urinary tract. Sexual activity should be avoided for at least one week or as advised by your urologist.

Your biopsy results typically become available within several days. A follow-up appointment may be scheduled to discuss the pathology findings and any necessary treatment plans. Continue monitoring for signs of infection such as fever, chills, or worsening urinary symptoms.

Long-term Recovery

Patients may experience recovery within several weeks, though individual timelines vary. Blood in semen may persist for several weeks, gradually decreasing over time. Everyday activities, including exercise and sexual activity, can typically resume after consultation with your urologist.

The biopsy sites heal without visible scarring. If cancer is detected, your urologist can discuss treatment options based on the grade and extent of disease. If results are negative but clinical suspicion remains, your urologist may recommend continued monitoring or additional testing.

Our urologist provides post-procedure support to help with recovery.

Schedule your consultation to learn more about what to expect.

Benefits of Transperineal Prostate Biopsy

The transperineal approach may help reduce infection risk compared to transrectal biopsy. This method can provide access to the anterior and apical regions of the prostate, where cancers may be located but could be challenging to reach transrectally.

The procedure aims to enable systematic sampling of the prostate gland, which may support cancer detection, particularly for clinically significant cancers. The ability to obtain tissue samples can help with risk assessment if cancer is detected. MRI fusion capability may enhance the targeting of suspicious areas identified on imaging.

Patients may benefit from reduced concerns about antibiotic resistance, as extended antibiotic prophylaxis may not be required. The procedure can be repeated if necessary. The sampling approach aims to reduce the need for repeat procedures due to inconclusive results. Recovery varies by individual, with patients typically experiencing temporary side effects.

Risks & Potential Complications

Common Side Effects

Patients may experience blood in urine, which gradually clears without intervention. Blood in semen may occur and can persist. Mild perineal bruising and tenderness may resolve over time. Temporary mild discomfort with urination can affect some patients.

Some men may experience temporary difficulty starting urination due to prostate swelling. Mild perineal discomfort when sitting may occur. These effects are generally managed with measures like pain relief and increased fluid intake.

Rare Complications

Urinary retention requiring catheterisation may occur and typically resolves. Significant bleeding requiring intervention is rare. The risk of infection is lower with the transperineal approach than with transrectal biopsy.

Patients may develop prostatitis despite the sterile approach. Erectile dysfunction is not typically associated with the procedure itself. Fistula formation or chronic pain are rare complications.

Dr Azhari uses meticulous sterile technique and appropriate patient selection to help minimise risks. The transperineal approach’s reduced complication profile makes it a recognised option for prostate tissue diagnosis.

Cost Considerations

The cost of transperineal prostate biopsy in Singapore varies based on several factors, including the number of cores taken, whether MRI-fusion technology is used, and the type of anaesthesia required. The procedure cost typically includes the urologist’s fees, facility charges, anaesthesia services, and basic pathology examination.

Additional specialised pathology tests, such as immunohistochemistry, may incur extra charges if required. Pre-procedure investigations, such as MRI or blood tests, are usually billed separately. The type of facility (public hospital, private hospital, or day surgery centre) also affects overall costs.

The quality of care and the medical team’s experience are important considerations beyond cost alone. Comprehensive pre-procedure counselling and post-procedure support are part of standard care. During your consultation, the medical team can provide a detailed cost estimate based on your specific requirements.

Frequently Asked Questions

How long does a transperineal prostate biopsy take to perform?

The procedure may take approximately 20-40 minutes, depending on the number of tissue samples required and whether targeted biopsies are being performed. However, you should expect to be at the facility for several hours in total, including pre-procedure preparation and post-procedure recovery. The actual time under anaesthesia is usually less than an hour.

Is transperineal biopsy more accurate than transrectal biopsy?

Transperineal biopsy offers improved access to all areas of the prostate, particularly the anterior zone. This approach can provide systematic tissue sampling and may offer diagnostic value in some instances.

Will I need general anaesthesia for the procedure?

Transperineal prostate biopsy can be performed under general anaesthesia or spinal anaesthesia, depending on patient preference and medical suitability. Some centres offer sedation with local anaesthetic blocks. The choice depends on factors including the number of cores needed, patient anxiety levels, and medical conditions. Your anaesthetist and urologist may recommend the most appropriate option during your pre-procedure assessment.

How soon will I get my biopsy results?

Pathology results may become available within several working days after the procedure. Complex cases requiring additional staining or review may take longer. Your urologist can schedule a follow-up appointment to discuss the results in detail, explain their significance, and outline any recommended next steps. Results are not usually given over the phone for proper explanation and support.

Can I return to work after the procedure?

Return to work timing varies by individual and occupation type. Those with desk jobs may be able to return within a few days after the procedure, while those with physically demanding jobs need to wait longer before resuming heavy activities. You also need to avoid driving for 24 hours after general anaesthesia.

What happens if the biopsy finds cancer?

If cancer is detected, your urologist can explain the pathology findings, including the Gleason score, number of positive cores, and cancer volume. Additional staging investigations may be recommended. Treatment options ranging from active surveillance to definitive therapy can be discussed based on cancer characteristics, your age, and overall health. You’ll have time to consider options and may benefit from multidisciplinary team input for treatment planning.

How often does the procedure need to be repeated?

Some patients only require one transperineal biopsy for diagnosis. Repeat biopsy may be recommended if initial results are inconclusive, PSA continues to rise despite negative results, or for active surveillance. The transperineal approach’s low complication rate makes repeat procedures safer if needed.

Conclusion

Transperineal prostate biopsy represents an approach in prostate cancer diagnosis, offering comprehensive tissue sampling with reduced infection risk. This procedure provides diagnostic information that may be essential for determining appropriate treatment strategies whilst maintaining patient safety and comfort. The systematic approach aims to thoroughly evaluate the entire prostate gland, thereby reducing the likelihood of missing clinically significant cancers. For men requiring prostate tissue diagnosis, understanding this procedure may help in making informed decisions about their healthcare journey.

Ready to Take the Next Step?

If you’re considering a transperineal prostate biopsy, Dr Azhari can help you understand if it may be an appropriate choice for your diagnostic needs. With experience in transperineal prostate biopsy procedures, we provide personalised care throughout your journey.

Dr. Nor Azhari Bin Mohd Zam

Dr. Nor Azhari Bin Mohd Zam

MBBS (NUS)|MRCS (Edin.)|MMed Surgery (NUS)|FAMS (Urology)

Former Director of Endourology (Urinary stone service) Singapore General Hospital 2016 to 2023

With more than 20 years experience as a certified Urologist, Dr Nor Azhari specializes in treating a wide range of kidney, bladder and prostate conditions as well as disorders of the male reproductive organs. He offers minimally invasive treatment options and provides same-day appointments for convenience.

  • Skilled urologist and kidney stone surgeon
  • Recognized with the College of Surgeons Gold Medal and Singapore Urological Association Book prize
  • Minimally invasive treatment options available (non-invasive and endoscopic/key-hole techniques)

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