Clinical Application of Semi-Automatic Device Guidance in MR-Guided Transperineal Prostate Interventions: Biopsy and Cryoablation

Motivation: In the prostate, transperineal needle placement is often assisted with trajectory guides and imaging. Improper placement necessitates needle reinsertion, increasing procedure time and complication risk. Presented here is a straightforward platform tested in multiple biopsy and cryoablation procedures. Previous work demonstrated feasibility in a single MR-guided focal biopsy. Goal(s): To demonstrate the platform’s technical feasibility across greater procedural types and numbers. Approach: The proposed techniques were performed on consented patients. These procedures included prostate cryoablations, biopsies, and fluid aspirations. Results: 12 procedures were performed- 6 cryoablations, 5 biopsies, and 1 fluid aspiration. Technical success was achieved in every procedure. Impact: Using the proposed methodology, all 12 prostate procedures achieved technical success. With the platform’s support, a median procedure saw satisfactory needle placement in 83.7% of initial insertions, requiring no further adjustment. This can reduce procedure times and complication risks.