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Chapter
Magnetic resonance imaging
DOI link for Magnetic resonance imaging
Magnetic resonance imaging book
Magnetic resonance imaging
DOI link for Magnetic resonance imaging
Magnetic resonance imaging book
ABSTRACT
This chapter explores the potential of magnetic resonance imaging (MRI) and reviews the field of MRI, as it pertains to trabecular bone structure (TBS), biomechanical properties and bone quality assessment. The three-dimensional non-invasive imaging capabilities of MRI have been widely used clinically to assess and diagnose osteoporotic and vertebral fractures. Several investigators have conducted studies in in vitro animal models of osteoporosis and in vivo animal studies. The strength of the magnetic field in tesla and the quality of the radio-frequency coils govern the signal-to-noise ratio in magnetic resonance (MR) images. In vivo MRI of TBS is constrained by perpetual compromises between acquisition time, signal-to-noise ratio and field of view. While in vitro studies and studies in animal models are a mandatory part of technique development, the potential strength and role of MRI lies in its human in vivo applications. The distance transformation technique was applied to high-resolution in vivo MR images of the distal radius in post-menopausal women.