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Related Experiment Video

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Three-Dimensional Printing Guide Template Assisted Percutaneous Vertebroplasty (PVP)
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Is 3T-MR spectroscopy a predictable selection tool in prophylactic vertebroplasty?

S Masala1, F Massari, Ondo P Assako

  • 1Department of Diagnostic and Molecular Imaging, Interventional Radiology and Radiation Therapy, University Hospital of Tor Vergata, Viale Oxford 81, 00133 Rome, Italy. salva.masala@tiscali.it

Cardiovascular and Interventional Radiology
|February 16, 2010
PubMed
Summary

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Increased vertebral bone marrow fat, measured by MR spectroscopy, predicts fracture risk in osteoporotic women. This finding aids in planning prophylactic vertebroplasty to prevent vertebral compression fractures.

Area of Science:

  • Orthopedics
  • Radiology
  • Biomedical Engineering

Background:

  • Osteoporosis leads to decreased bone mineral density and increased vertebral marrow fat.
  • Vertebral compression fractures pose a significant risk, necessitating improved predictive tools.
  • Magnetic Resonance (MR) spectroscopy offers a method to quantify bone marrow fat content.

Purpose of the Study:

  • To confirm the relationship between reduced bone mineral density and increased vertebral marrow fat.
  • To identify vertebral bodies at high risk for compression fracture using MR spectroscopy.
  • To evaluate the potential of MR spectroscopy in guiding prophylactic vertebroplasty decisions.

Main Methods:

  • 127 women (osteoporotic, osteopenic, normal) underwent DXA and spinal MR examinations.

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  • MR spectroscopy quantified vertebral marrow fat fraction (FF).
  • 48 patients with existing fractures underwent detailed MR analysis of fractured and non-fractured vertebrae.

    • Main Results:

    • Significant differences in FF were observed across normal (59.8%), osteopenic (64.8%), and osteoporotic (67.1%) groups.
    • A negative correlation between T-score and vertebral fat content (r = -0.585) was found.
    • Fractured vertebrae showed significantly higher FF (72.75%) compared to non-fractured controls (61.83%).

    Conclusions:

    • MR spectroscopy is a reliable index for predicting new vertebral compression fracture risk.
    • Increased vertebral marrow fat content is a significant indicator of fracture susceptibility.
    • MR spectroscopy can aid in planning prophylactic vertebroplasty for at-risk individuals.