Abstract
Purpose
To analyse the pathological features and survival of patients with a PI-RADS 5 lesion on pre-biopsy MRI.
Methods
We extracted from a European multicentre prospectively gathered database the data of patients with a PI-RADS 5 lesion on pre-biopsy MRI, diagnosed using both systematic and targeted biopsies and subsequently treated by radical prostatectomy. The Kaplan–Meier model was used to assess the biochemical-free survival of the whole cohort and univariable and multivariable Cox models were set up to study factors associated with survival.
Results
Between 2013 and 2019, 539 consecutive patients with a PI-RADS 5 lesion on pre-biopsy MRI were treated by radical prostatectomy and included in the analysis. Follow-up data were available for 448 patients. Radical prostatectomy and lymph node dissection specimens showed non-organ confined disease in 297/539 (55%), (including 2 patients with a locally staged pT2 lesion and lymph node involvement (LNI)). With a median follow-up of 25 months (12–39), the median biochemical recurrence-free survival was 54% at 2 years (95% CI 45–61) and 28% at 5 years (95% CI 18–39). Among the factors studied, MRI T stage [T3a vs T2 HR 3.57 (95%CI 1.78–7.16); T3b vs T2 HR 6.17 (95% CI 2.99–12.72)] and PSA density (HR 4.47 95% CI 1.55–12.89) were significantly associated with a higher risk of biochemical recurrence in multivariable analysis.
Conclusion
Patients with a PI-RADS 5 lesion on pre-biopsy MRI have a high risk of early biochemical recurrence after radical prostatectomy. MRI T stage and PSA density can be used to improve patient selection and counselling.
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Data availability
De-identified data will be made readily available to reviewers upon request.
Code availability
Statistical software code will be made readily available to reviewers upon request.
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GF: Protocol/project development, Data collection or management, Manuscript writing/editing. AS: Data analysis. MR: Data collection or management, Manuscript writing/editing. SA: Data collection or management, Manuscript writing/editing. JA: Data collection or management. GA: Data collection or management. NBD: Data collection or management, Manuscript writing/editing. CD: Data collection or management. AF: Data collection or management. AF: Data collection or management. GF: Data collection or management. PG: Data collection or management. RM: Data collection or management. MO: Data collection or management, Manuscript writing/editing. AP: Data collection or management, Manuscript writing/editing. TR: Data collection or management, Manuscript writing/editing. TS: Data collection or management. GS: Data collection or management, Manuscript writing/editing. JVD: Data collection or management. JLD: Data collection or management. GP: Data collection or management, Manuscript writing/editing. RD: Protocol/project development, Data collection or management, Manuscript writing/editing.
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This retrospective study conducted from medical charts used data obtained during routine care. Data protection declaration was performed with the CNIL under number 2216501v0.
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Fiard, G., Seigneurin, A., Roumiguié, M. et al. Prognostic significance of PI-RADS 5 lesions in patients treated by radical prostatectomy. World J Urol 41, 1285–1291 (2023). https://doi.org/10.1007/s00345-023-04371-6
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DOI: https://doi.org/10.1007/s00345-023-04371-6