📝 Prostate mpMRI Structured Report (PI-RADS v2.1 + PSAD + EPE)
UseProstate MRI reporting and harmonized structure between urology and radiology.
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SourceTurkbey B, et al. Eur Urol 2019;76:340-351
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Score + version; reference only — not a substitute for care · no HIS write
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Methodology · worked example, guidelines & full notes
Clinical takeaway
Ellipsoid ×0.52.
When to use
Prostate MRI reporting and harmonized structure between urology and radiology.
How it works
Volume = L × W × H × 0.52; PSAD = PSA / volume; EPE grade 0–3 (Mehralivand).
Key points
- Ellipsoid ×0.52.
- PSAD with PI-RADS.
- EPE per Mehralivand.
- Always report SV, nodes, bone.
References
- Turkbey B, et al. Eur Urol 2019;76:340-351
- Mehralivand S, et al. Radiology 2019;290:709-719
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.
| 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 |
| Lesion maximum diameter | 14 mm |
| Lesion ADC (optional) | 720 µm²/s |
| Extraprostatic extension (Mehralivand) | Grade 1: capsular contact ≥1.5 cm or bulge/irregularity |
| Seminal vesicle invasion | No |
| Pelvic nodes | None suspicious |
| Pelvic bones | No 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
| 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 |
| Lesion maximum diameter | 14 mm |
| Lesion ADC (optional) | 720 µm²/s |
| Extraprostatic extension (Mehralivand) | Grade 0: none |
| Seminal vesicle invasion | No |
| Pelvic nodes | None suspicious |
| Pelvic bones | No 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
Verification & sources · governance
FAQ
Frequently asked questions
- 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）