Advances in imaging approaches to fracture risk evaluation.

Manhard MK, Nyman JS, Does MD
Transl Res. 2017 181: 1-14

PMID: 27816505 · PMCID: PMC5357194 · DOI:10.1016/j.trsl.2016.09.006

Fragility fractures are a growing problem worldwide, and current methods for diagnosing osteoporosis do not always identify individuals who require treatment to prevent a fracture and may misidentify those not a risk. Traditionally, fracture risk is assessed using dual-energy X-ray absorptiometry, which provides measurements of areal bone mineral density at sites prone to fracture. Recent advances in imaging show promise in adding new information that could improve the prediction of fracture risk in the clinic. As reviewed herein, advances in quantitative computed tomography (QCT) predict hip and vertebral body strength; high-resolution HR-peripheral QCT (HR-pQCT) and micromagnetic resonance imaging assess the microarchitecture of trabecular bone; quantitative ultrasound measures the modulus or tissue stiffness of cortical bone; and quantitative ultrashort echo-time MRI methods quantify the concentrations of bound water and pore water in cortical bone, which reflect a variety of mechanical properties of bone. Each of these technologies provides unique characteristics of bone and may improve fracture risk diagnoses and reduce prevalence of fractures by helping to guide treatment decisions.

Copyright © 2016 Elsevier Inc. All rights reserved.

MeSH Terms (7)

Animals Diagnostic Imaging Fractures, Bone Humans Magnetic Resonance Imaging Risk Assessment Tomography, X-Ray Computed

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