Abstract #2044

Real-time Image Guidance for Bone Biopsy at 0.55T

Xiao Wu¹, Pan Su², Jianing Pang², Petro Itriago Leon², Omar Darwish³, Marcel Dominik Nickel³, Michael Ohliger¹, Michael Hoff¹, Ryan Kohlbrenner¹, Alexander Lam¹, Thomas Hope¹, and Yang Yang¹

¹Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States, ²Siemens Medical Solutions, USA, Inc., Malvern, PA, United States, ³Siemens Healthineers AG, Erlangen, Germany

Synopsis

Keywords: MR-Guided Interventions, MR-Guided Interventions, mid-field MRI

Motivation: Assess the feasibility of real-time MRI guidance for bone biopsy at 0.55 T

Goal(s): Evaluate the protocols of osseous lesion biopsy planning and guidance at 0.55 T.

Approach: Three patients with known prostate cancer and osseous metastases underwent 0.55T examination of a pre-selected region of interest based on prior imaging.

Results: : 0.55T MRI identified 100% of the osseous lesions seen on prior CT and/or PSMA SPECT/PET. Real-time imaging provides satisfactory image contrast and spatiotemporal resolution for potential biopsy guidance.

Impact: Real-time protocols on 0.55T MRI appear feasible for biopsy guidance. Future interventional studies with phantoms and human subjects can be performed.

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