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Radiol Clin North Am. 2010 May;48(3):601-21. doi: 10.1016/j.rcl.2010.02.015.

High-resolution imaging techniques for the assessment of osteoporosis.

Author information

  • 1MQIR, Department of Radiology and Biomedical Imaging, University of California-San Francisco, UCSF China Basin Landing, 185 Berry Street, San Francisco, CA 94107, USA. Roland.Krug@radiology.ucsf.edu

Abstract

The importance of assessing the bone's microarchitectural make-up in addition to its mineral density in the context of osteoporosis has been emphasized in several publications. The high spatial resolution required to resolve the bone's microstructure in a clinically feasible scan time is challenging. At present, the best suited modalities meeting these requirements in vivo are high-resolution peripheral quantitative imaging (HR-pQCT) and magnetic resonance imaging (MRI). Whereas HR-pQCT is limited to peripheral skeleton regions like the wrist and ankle, MRI can also image other sites like the proximal femur but usually with lower spatial resolution. In addition, multidetector computed tomography has been used for high-resolution imaging of trabecular bone structure; however, the radiation dose is a limiting factor. This article provides an overview of the different modalities, technical requirements, and recent developments in this emerging field. Details regarding imaging protocols as well as image postprocessing methods for bone structure quantification are discussed.

Copyright (c) 2010 Elsevier Inc. All rights reserved.

PMID:
20609895
[PubMed - indexed for MEDLINE]
PMCID:
PMC2901255
Free PMC Article
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