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Updated: Feb 5, 2026

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
Published on: March 21, 2025
MR imaging-guided prostate interventional imaging: Ready for a clinical use?
F Cornud1, J Bomers2, J J Futterer2
1Paris Descartes University, Department of Radiology, Hôpital Cochin, Assistance publique-Hôpitaux de Paris, 75014 Paris, France.
Abstract:
Prostate interventional magnetic resonance imaging (MRI) is now routinely performed in many centers. Its more widespread acceptance is limited by the cost of the use of MRI largely related to the long duration time of the procedures. However, the benefit of a robotic assistance has generated a new interest, because it substantially shortens the procedure time, while improving the accuracy. MRI-guided biopsy is considered as an appealing alternative to transrectal ultrasound (TRUS)-guided fusion biopsy, given the limitations of TRUS-MRI image registration systems. MRI-guided focal treatment also benefits from robotic assistance and from the unique property of MRI, which allows the measurement of the temperature in real-time during tumor ablation. The transrectal and transperineal approaches can be used and the respective indications of each pathway will depend on several factors, including the location of the tumor and the examination time, which will condition the occupation time of the MR room, a major factor influencing the overall cost of MRI-guided procedures. This review addresses the current practice of prostate MRI-guided interventional procedures and potential future applications.
Insights
Robotic assistance significantly reduces prostate interventional magnetic resonance imaging (MRI) procedure times, enhancing accuracy and potentially lowering costs. This technology improves MRI-guided biopsy and focal treatments, offering a promising alternative to traditional methods.
Area of Science:
- Medical Imaging
- Urology
- Robotics
Background:
- Prostate interventional magnetic resonance imaging (MRI) is increasingly common but limited by high costs due to long procedure durations.
- Robotic assistance offers a solution by reducing procedure time and improving accuracy.
Purpose of the Study:
- To review current practices and future applications of MRI-guided interventional procedures for the prostate.
- To highlight the benefits of robotic assistance in prostate MRI procedures.
Main Methods:
- Review of current literature on MRI-guided prostate interventions.
- Discussion of robotic assistance in MRI-guided biopsy and focal treatments.
- Analysis of transrectal and transperineal approaches and their influencing factors.
Main Results:
- Robotic assistance substantially shortens prostate MRI procedure times and enhances accuracy.
- MRI-guided biopsy is a viable alternative to TRUS-guided fusion biopsy.
- Real-time temperature monitoring during ablation is a key benefit of MRI-guided focal treatment.
Conclusions:
- Robotic assistance is crucial for improving the efficiency and cost-effectiveness of prostate MRI-guided procedures.
- The choice of transrectal or transperineal approach depends on tumor location and procedure time.
- Future applications of MRI-guided interventions hold significant promise for prostate cancer management.
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