Person: Tilak, Gaurie
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Tilak
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Gaurie
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Tilak, Gaurie
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Publication Comparison of Robotic and Manual Needle-Guide Templates in MRI-Guided Transperineal Prostate Biopsy(2017-05-12) Tilak, GauriePurpose: Demonstrate the utility of a robotic needle-guidance template as compared to a manual template for in-bore 3T transperineal MR guided prostate biopsy. Materials and Methods: This non-randomized two-arm trial included 99 cases of targeted transperineal prostate biopsies. The biopsy needles were aimed to suspicious foci in multiparametric 3T MRI using a manual template before a cut-off date or a robotic template after the date. The following data was obtained: the accuracy of average and closest needle placement to the focus, cancer yield, percentage of cancer volume in positive core samples, and time to complete the procedure. Results: 56 cases were performed using the manual template, and 43 cases were performed using the robotic template. The mean accuracy of the best needle placement attempt was higher in the robotic group (2.39 mm) than the manual group (3.71 mm, p<0.027). The mean core procedure time was shorter in the robotic (90.82 min) than the manual group (100.63 min, p<0.030). Percentage of cancer volume in positive core samples was higher in robotic group (p<0.001). Cancer yield was not statistically different between the two sub-groups. Conclusion: The robotic needle-guidance template was useful in MRI-guided core biopsy of prostate cancer compared to the manual approach.