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Trabecular Bone Assessment Using Magnetic-Resonance Imaging: A Pilot Study

Author

Listed:
  • Lauren Bohner

    (Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Muenster, Germany
    Department of Prosthodontics, School of Dentistry, University of São Paulo, São Paulo 0508-000, Brazil)

  • Pedro Tortamano

    (Department of Prosthodontics, School of Dentistry, University of São Paulo, São Paulo 0508-000, Brazil)

  • Norbert Meier

    (Institute of Clinical Radiology, University Clinics Muenster, 48149 Muenster, Germany)

  • Felix Gremse

    (Department of Experimental Molecular Imaging, Helmholtz Institute, RWTH Aachen University, 52074 Aachen, Germany)

  • Johannes Kleinheinz

    (Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Muenster, Germany)

  • Marcel Hanisch

    (Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Muenster, Germany)

Abstract

The aim of this study was to assess trabecular bone morphology via magnetic-resonance imaging (MRI) using microcomputed tomography (µCT) as the control group. Porcine bone samples were scanned with T1-weighted turbo spin echo sequence imaging, using TR 25 ms, TE 3.5 ms, FOV 100 × 100 × 90, voxel size 0.22 × 0.22 × 0.50 mm, and scan time of 11:18. µCT was used as the control group with 80 kV, 125 mA, and a voxel size of 16 µm. The trabecular bone was segmented on the basis of a reference threshold value and morphological parameters. Bone volume (BV), Bone-volume fraction (BvTv), Bone specific surface (BsBv), trabecular thickness (TbTh), and trabecular separation (TbSp) were evaluated. Paired t -test and Pearson correlation test were performed at p = 0.05. MRI overestimated BV, BvTv, TbTh, and TbSp values. BsBv was the only parameter that was underestimated by MRI. High statistical correlation (r = 0.826; p < 0.05) was found for BV measurements. Within the limitations of this study, MRI overestimated trabecular bone parameters, but with a statistically significant fixed linear offset.

Suggested Citation

  • Lauren Bohner & Pedro Tortamano & Norbert Meier & Felix Gremse & Johannes Kleinheinz & Marcel Hanisch, 2020. "Trabecular Bone Assessment Using Magnetic-Resonance Imaging: A Pilot Study," IJERPH, MDPI, vol. 17(24), pages 1-7, December.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:24:p:9282-:d:460628
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