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TRUS Biopsy vs MRI Fusion Biopsy

Comparative evaluation of prostate biopsy techniques.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Üroloji department. Book Appointment →

What is TRUS Biopsy vs MRI Fusion Biopsy?

Transrectal ultrasound-guided (TRUS) biopsy is the historical standard, sampling the prostate systematically with 10-12 cores via random anatomical templates. MRI-fusion biopsy combines pre-biopsy multiparametric MRI (PI-RADS) with real-time ultrasound to target visible suspicious lesions in addition to systematic sampling.

MRI-targeted biopsy increases detection of clinically significant cancer (Gleason ≥3+4) while reducing detection of insignificant disease, supporting current EAU and AUA guidelines that recommend pre-biopsy mpMRI for biopsy-naïve patients with elevated PSA.

Symptoms

Indications: elevated PSA, abnormal DRE
Active surveillance progression evaluation
Persistent suspicion after negative initial biopsy
Genetic high-risk screening (BRCA1/2 carriers)
Imaging-detected suspicious focal lesion

Risk Factors

Age over 50 (over 45 if family history)
African ancestry
Family history of prostate cancer in first-degree relative
BRCA1/BRCA2 germline mutation
PSA above age-adjusted threshold
Suspicious DRE finding

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • PSA elevation with PI-RADS 3-5 lesion on mpMRI
  • Continuous PSA rise despite negative TRUS biopsy
  • Active surveillance protocol scheduled re-biopsy
  • DRE-detected hard nodule with PSA elevation
  • Suspected cancer in patient with hereditary syndrome

Treatment Methods

01
Pre-biopsy multiparametric MRI for biopsy-naïve patients (PI-RADS reading)
02
MRI-fusion targeted biopsy for PI-RADS 3-5 lesions (3-5 cores per lesion)
03
Combined targeted plus systematic 10-12 core biopsy for first biopsy
04
Transperineal approach to reduce sepsis risk
05
Antibiotic prophylaxis (fluoroquinolone or fosfomycin) and rectal preparation
06
Repeat biopsy with saturation or targeted approach for negative initial biopsy
07
Discussion of risks: bleeding, infection, urinary retention, false-negative findings

Which Department to Visit?

You can visit our Üroloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.