Abstract
Purpose
To compare the ability of Prostate Health Index (PHI) to diagnose csPCa, with that of total PSA, PSA density (PSAD) and the multiparametric magnetic resonance (mpMRI) of the prostate.
Methods
We analysed a group of 395 men planned for a prostate biopsy who underwent a mpMRI of the prostate evaluated using the PIRADS v1 criteria. All patients had their PHI measured before prostate biopsy. In patients with an mpMRI suspicious lesions, an mpMRI/ultrasound software fusion-guided biopsy was performed first, with 12 core systematic biopsy performed in all patients. A ROC analysis was performed for PCa detection for total PSA, PSAD, PIRADS score and PHI; with an AUC curve calculated for all criteria and a combination of PIRADS score and PHI. Subsequent sub-analyses included patients undergoing first and repeat biopsy.
Results
The AUC for predicting the presence of csPCa in all patients was 59.5 for total PSA, 69.7 for PHI, 64.9 for PSAD and 62.5 for PIRADS. In biopsy naive patients it was 61.6 for total PSA, 68.9 for PHI, 64.6 for PSAD and 63.1 for PIRADS. In patients with previous negative biopsy the AUC for total PSA, PHI, PSAD and PIRADS was 55.4, 71.2, 64.4 and 69.3, respectively. Adding of PHI to PIRADS increased significantly (p = 0.007) the accuracy for prediction of csPCa.
Conclusion
Prostate Health Index could serve as a tool in predicting csPCa. When compared to the mpMRI, it shows comparable results. The PHI cannot, however, help us guide prostate biopsies in any way, and its main use may, therefore, be in pre-MRI or pre-biopsy triage.
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Supported by the Ministry of Health of the Czech Republic, grant nr. 15-27047A.
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All authors have made a significant contribution to the findings and methods in the paper. All authors have read and approved the final draft. JS: Data collection or management, Data analysis, Manuscript writing and editing, VA: Data collection or management, ZM: Data collection or management, Critical revision of the article, NV: Data collection or management, OČ: Data collection or management, Critical revision of the article, FV: Data collection or management, DO: Data collection or management, SH: Data collection or management, ŠV: Project development, Data analysis, Manuscript writing and editing, Critical revision of the article, RZ: Project development, Critical revision of the article.
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This research study was conducted retrospectively from data obtained for clinical purposes. The study was performed in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Ethics Committee of Motol University Hospital approved this study.
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All data were analysed retrospectively. Patients were informed and consented prior to both magnetic resonance imaging and prostate biopsy.
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Stejskal, J., Adamcová, V., Záleský, M. et al. The predictive value of the prostate health index vs. multiparametric magnetic resonance imaging for prostate cancer diagnosis in prostate biopsy. World J Urol 39, 1889–1895 (2021). https://doi.org/10.1007/s00345-020-03397-4
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DOI: https://doi.org/10.1007/s00345-020-03397-4