Guideline decision tool · Radiology
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Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) — free guideline decision tool

One-click prostate mpMRI report: volume, PSAD, index lesion location and PI-RADS, EPE grade, seminal vesicles, nodes and bone, with a biopsy cue. Instant, browser-side.

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Computed locally — no data uploaded. For licensed clinicians.
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Guideline-based

Implements the decision logic from published clinical guidelines.

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Runs in your browser

No installation. Enter the patient's values and get a guideline recommendation instantly.

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Data stays local

Nothing is uploaded. Results are for licensed clinicians only.

Worked calculation

The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.

PSA7.8 ng/mL
Prostate length4.4 cm
Width4.9 cm
Height3.5 cm
Index lesion PI-RADSPI-RADS 3
Zonetransition zone
Sideright
Levelmid-gland
Lesion maximum diameter14 mm
Lesion ADC (optional)720 µm²/s
Extraprostatic extension (Mehralivand)Grade 1: capsular contact ≥1.5 cm or bulge/irregularity
Seminal vesicle invasionNo
Pelvic nodesNone suspicious
Pelvic bonesNo suspicious lesion

→PI-RADS3· PSAD 0.20

  • Report block:Prostate 4.4 × 4.9 × 3.5 cm, volume 39.2 mL, PSA 7.8 ng/mL, PSAD 0.20. A lesion in the right transition zone at the mid-gland, 14 mm, ADC 720 µm²/s, PI-RADS 3, possible EPE (grade 1). Seminal vesicles not involved; no suspicious pelvic nodes; no suspicious pelvic bone lesion.
  • Impression / recommendation:PI-RADS 3, possible EPE (grade 1). PI-RADS 3 with PSAD 0.10–0.20: intermediate; decide biopsy vs surveillance with clinical factors and patient preference.
  • Volume formula:4.4×4.9×3.5×0.52 = 39.2 mL
PSA7.8 ng/mL
Prostate length4.4 cm
Width4.9 cm
Height3.5 cm
Index lesion PI-RADSPI-RADS 1
Zoneperipheral zone
Sideleft
Levelbase
Lesion maximum diameter14 mm
Lesion ADC (optional)720 µm²/s
Extraprostatic extension (Mehralivand)Grade 0: none
Seminal vesicle invasionNo
Pelvic nodesNone suspicious
Pelvic bonesNo suspicious lesion

→PI-RADS1· PSAD 0.20

  • Report block:Prostate 4.4 × 4.9 × 3.5 cm, volume 39.2 mL, PSA 7.8 ng/mL, PSAD 0.20. No PI-RADS ≥3 lesion (overall PI-RADS 1). Seminal vesicles not involved; no suspicious pelvic nodes; no suspicious pelvic bone lesion.
  • Impression / recommendation:PI-RADS 1. PI-RADS 1–2 with PSAD <0.20: low csPCa risk; immediate biopsy can often be avoided.
  • Volume formula:4.4×4.9×3.5×0.52 = 39.2 mL

Common questions

What is Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE)?

One-click prostate mpMRI report: volume, PSAD, index lesion location and PI-RADS, EPE grade, seminal vesicles, nodes and bone, with a biopsy cue. Instant, browser-side.

How is Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) calculated? What is the core formula?

Volume = L × W × H × 0.52; PSAD = PSA / volume; EPE grade 0–3 (Mehralivand).

When is Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) used?

Prostate MRI reporting and harmonized structure between urology and radiology.

What are the key clinical points for Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE)?

Ellipsoid ×0.52. PSAD with PI-RADS. EPE per Mehralivand. Always report SV, nodes, bone.

What are the limits and cautions when using Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE)?

For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.

Does Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) upload patient data? Where is it calculated?

Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.

How is Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) calculated in practice? Can you show a worked example?

Inputs: PSA 7.8 ng/mL, Prostate length 4.4 cm, Width 4.9 cm, Height 3.5 cm, Index lesion PI-RADS PI-RADS 3, Zone transition zone, Side right, Level mid-gland… → Result: PI-RADS 3 · PSAD 0.20(Report block: Prostate 4.4 × 4.9 × 3.5 cm, volume 39.2 mL, PSA 7.8 ng/mL, PSAD 0.20. A lesion in the right transition zone at the mid-gland, 14 mm, ADC 720 µm²/s, PI-RADS 3, possible EPE (grade 1). Seminal vesicles not involved; no suspicious pelvic nodes; no suspicious pelvic bone lesion., Impression / recommendation: PI-RADS 3, possible EPE (grade 1). PI-RADS 3 with PSAD 0.10–0.20: intermediate; decide biopsy vs surveillance with clinical factors and patient preference., Volume formula: 4.4×4.9×3.5×0.52 = 39.2 mL) Inputs: PSA 7.8 ng/mL, Prostate length 4.4 cm, Width 4.9 cm, Height 3.5 cm, Index lesion PI-RADS PI-RADS 1, Zone peripheral zone, Side left, Level base… → Result: PI-RADS 1 · PSAD 0.20(Report block: Prostate 4.4 × 4.9 × 3.5 cm, volume 39.2 mL, PSA 7.8 ng/mL, PSAD 0.20. No PI-RADS ≥3 lesion (overall PI-RADS 1). Seminal vesicles not involved; no suspicious pelvic nodes; no suspicious pelvic bone lesion., Impression / recommendation: PI-RADS 1. PI-RADS 1–2 with PSAD <0.20: low csPCa risk; immediate biopsy can often be avoided., Volume formula: 4.4×4.9×3.5×0.52 = 39.2 mL)

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Run Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE) now

One-click prostate mpMRI report: volume, PSAD, index lesion location and PI-RADS, EPE grade, seminal vesicles, nodes and bone, with a biopsy cue. Instant, browser-side.

Open guideline tool →

For licensed clinicians. Not a substitute for clinical judgement.

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