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Prof. Dr. Basri Çakıroğlu

Oncology7 min readSeptember 18, 2026

High PSA: Getting a Second Opinion Before a Prostate Biopsy

Prof. Dr. Basri ÇakıroğluOnaylı Uzman

Üroloji & Robotik Cerrahi Uzmanı | Hisar Hospital Intercontinental

A raised PSA is not a cancer diagnosis. Learn what pushes PSA up, how free PSA, PSA density and multiparametric MRI refine the decision, and how MRI-fusion biopsy avoids unnecessary procedures — including how to get an expert review of your results remotely.

PSA Is Prostate-Specific, Not Cancer-Specific

Prostate-specific antigen is a protein made by all prostate tissue. Anything that enlarges, inflames or presses on the prostate raises it. Among men biopsied for a PSA between 4 and 10 ng/mL, the majority turn out not to have cancer. A raised PSA is therefore the start of a structured evaluation, not a verdict.

Common Non-Cancer Causes

  • Benign prostatic hyperplasia — the larger the gland, the more PSA it makes
  • Prostatitis or urinary infection — can multiply PSA several-fold; repeat 6-8 weeks after treatment
  • Ejaculation within 48 hours, long cycling, recent rectal examination, cystoscopy, catheter or biopsy
  • Urinary retention
  • A single raised value should be repeated under proper conditions before any decision. Men taking finasteride or dutasteride (for prostate or hair loss) have their PSA roughly halved — the measured value must be doubled for interpretation.

    Age Matters More Than a Fixed Cut-Off

    The traditional 4 ng/mL threshold is only a rough guide. Approximate age-specific upper limits are 2.5 (40-49), 3.5 (50-59), 4.5 (60-69) and 6.5 ng/mL (70+). Equally important is the trend: a rise of more than 0.75 ng/mL per year deserves attention even within the "normal" range.

    Refining the Picture Before Biopsy

  • Free/total PSA ratio: above 25% favours benign disease; below 10% raises suspicion.
  • PSA density (PSA ÷ prostate volume): values above 0.15 are more concerning.
  • Blood or urine biomarkers such as PHI, 4Kscore or PCA3 in selected cases.
  • Multiparametric MRI (mpMRI) — now recommended by European guidelines before a first biopsy. Findings are graded PI-RADS 1-5: scores 1-2 make clinically significant cancer unlikely and allow biopsy to be deferred in many men; 4-5 call for targeted biopsy; 3 is decided with density and other factors.
  • MRI's greatest contribution is avoiding unnecessary biopsies and the over-diagnosis of small, slow-growing tumours that would never need treatment.

    MRI-Fusion Biopsy

    When biopsy is indicated, the MRI images are fused with live ultrasound so that cores are taken precisely from the suspicious area, in addition to a limited systematic sampling. Compared with the traditional 12-core "blind" biopsy this detects more clinically significant cancers with fewer cores. The transperineal route (through the skin rather than the rectum) markedly reduces infection risk. The procedure takes 15-20 minutes under local anaesthesia or light sedation; a few days of blood in urine and semen is expected.

    How a Remote Second Opinion Works

    1. Send your PSA results with dates, prostate volume (from ultrasound or MRI), any MRI report with PI-RADS score, and previous biopsy reports.

    2. Prof. Dr. Çakıroğlu reviews them and explains, in writing or by video call, whether repeat PSA, MRI, biopsy or simple follow-up is appropriate.

    3. If MRI or fusion biopsy is advised, both can be completed during a 2-3 day visit to Istanbul, with the pathology result sent to you electronically within days.

    Who Should Be Screened at All?

    Screening is a shared decision. It is generally offered from age 50, from 45 in men with a father or brother affected or with BRCA mutations, and is usually not recommended when life expectancy is under 10-15 years. The interval depends on the first PSA: every 2-4 years when very low, yearly when close to the threshold.

    The Right Response to a High PSA

    Neither panic nor neglect. Repeat the test properly, exclude infection, add free PSA and density, obtain an MRI when suspicion persists, and biopsy only what the MRI shows. Following this sequence catches significant cancer early while sparing most men an unnecessary procedure.

    This article is for general information only and does not replace a medical consultation. Treatment decisions are made after an individual evaluation of your reports and examination.

    Topic Tags:
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    Related Treatment

    Urologic Oncology

    Frequently Asked Questions

    Does a PSA above 4 mean I have prostate cancer?
    No. Most men with a PSA between 4 and 10 ng/mL who undergo biopsy do not have cancer; benign enlargement and inflammation are far more common causes. The value should be repeated, interpreted with free PSA and prostate volume, and followed by MRI when suspicion persists.
    Should I have an MRI before a prostate biopsy?
    Yes. European guidelines recommend multiparametric MRI before a first biopsy. A PI-RADS 1-2 result allows many men to defer biopsy; a PI-RADS 4-5 lesion is biopsied with MRI-fusion targeting.
    Can I get a second opinion on my PSA results online?
    Yes. Send your PSA history, prostate volume, MRI report and any biopsy results via WhatsApp or e-mail. You receive a written assessment or a video consultation explaining the recommended next step.
    How long would I need to stay in Istanbul for MRI and fusion biopsy?
    Typically 2-3 days: MRI on the first day, targeted transperineal fusion biopsy on the second, and the pathology report sent electronically within days after you return home.
    What should I avoid before a PSA test?
    Avoid ejaculation for 48 hours and long cycling; postpone the test during a urinary infection and for several days after a rectal examination, cystoscopy or catheter. Tell your doctor if you take finasteride or dutasteride, which halve PSA.

    Sources & Guidelines

    Looking for an Expert Opinion or Consultation?

    You can schedule an appointment or get second opinion on surgical options with Prof. Dr. Basri Cakiroglu.

    +90 533 207 89 03

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