Abstract #2289

3D Printed Phantom for Optimization of Trabecular Bone Structure Imaging

Cem M Deniz^1,2, Greg Chang³, and Ryan Brown¹

¹Department of Radiology, Center for Advanced Imaging Innovation and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging, New York University School of Medicine, New York, NY, United States, ²The Sackler Institute of Graduate Biomedical Sciences, New York University School of Medicine, New York, NY, United States, ³Department of Radiology, Center for Musculoskeletal Care, New York University Langone Medical Center, New York, NY, United States

Phantoms have been used in MRI for sequence optimization and scanner calibrations. Recent developments in 3D printing technology have provided tools to manufacture application specific phantoms in a fast and reliable way. In this work, we used 3D printing technology to build a resolution phantom for optimization of trabecular bone structure imaging. We used rods with different thickness, orientation and spacing for capturing the range of possible trabecular bone structures. Developed phantom was used to investigate the effect of slice thickness on trabecular bone structure imaging.

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