Abstract #0649

Rationale and Clinical Feasibility of MRI-Guided Percutaneous Transgluteal Route In-Bore Prostate Biopsy at 0.55T

Tejinder kaur¹, Yun Jiang¹, Nicole Seiberlich¹, Hero Hussain², Shane Wells¹, John Wei³, Elaine Caoili², and Vikas Gulani²

¹Radiology, University of Michigan, Ann Arbor, MI, United States, ²University of Michigan, Ann Arbor, MI, United States, ³Urology, University of Michigan, Ann Arbor, MI, United States

Synopsis

Keywords: MR-Guided Interventions, Cancer, Prostate cancer

Motivation: MR-guided in-bore prostate biopsy is typically performed at 1.5 or 3T via transrectal or percutaneous transperineal approaches. Feasibility of performance at lower field and using a percutaneous transgluteal approach is uncertain.

Goal(s): The feasibility of a percutaneous transgluteal approach for in-bore MRI-guided prostate biopsies was explored.

Approach: With IRB approval, 13 participants were biopsied at 0.55T under moderate sedation.

Results: 10/13 participants (77% cancer detection rate) and 12/15 lesions (80%) had positive cores. 70% of cases affected management.

Impact: Percutaneous transgluteal in-bore MRI-guided prostate biopsy is effective and offers an anesthesia-sparing option aligning with existing skills of CT interventionalists.

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