Abstract
Purpose
Micro-UltraSound (microUS) is a new imaging modality capable of identifying and targeting suspicious areas, which might further increase the diagnostic yield of prostate biopsy (PBx). Aim of this review is to provide insights into the usefulness of microUS for the sub-stratification of prostate cancer (PCa), clinically significant PCa (i.e., any Gleason score ≥ 7 PCa; csPCa) along with non-organ-confined disease in patients undergoing PBx.
Methods
A PubMed literature search was performed using keywords: prostate cancer diagnosis, prostate cancer diagnosis surveillance, systematic biopsy, target biopsy, micro-ultrasound, and prostate risk identification using micro-ultrasound.
Results
MicroUS could significantly improve multiparametric magnetic resonance imaging (mpMRI) findings by adding valuable anatomical and pathological information provided by real-time examination. Furthermore, microUS target biopsy could replace systematic biopsy in clinical practice by reducing the detection of clinically insignificant (ciPCa) and increasing that of csPCa. Finally, microUS may be useful in predicting the presence of non-organ confined PCa before radical prostatectomy and it could also be an effective add-on tool for patient monitoring within the active surveillance program.
Conclusion
MicroUS may represent an attractive step forward for the management of csPCa as a complementary or alternative tool to mpMRI. Nevertheless, further longitudinal studies are warranted, and the strength of the evidence is still suboptimal to provide clear recommendations for daily clinical practice.
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PPA contributed to project development, data collection, and manuscript writing. GGL contributed to project development and manuscript writing. MA contributed to manuscript writing. TH contributed to data collection. AR-B contributed to manuscript writing. NMB contributed to manuscript writing. ML contributed to manuscript writing. RS-S contributed to project development and manuscript writing.
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Avolio, P.P., Lughezzani, G., Anidjar, M. et al. The diagnostic accuracy of micro-ultrasound for prostate cancer diagnosis: a review. World J Urol 41, 3267–3276 (2023). https://doi.org/10.1007/s00345-023-04521-w
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DOI: https://doi.org/10.1007/s00345-023-04521-w