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  • Title: New techniques in articular cartilage imaging.
    Author: Potter HG, Black BR, Chong le R.
    Journal: Clin Sports Med; 2009 Jan; 28(1):77-94. PubMed ID: 19064167.
    Abstract:
    Standardized magnetic resonance imaging (MRI) pulse sequences provide an accurate, reproducible assessment of cartilage morphology. Three-dimensional (3D) modeling techniques enable semiautomated models of the joint surface and thickness measurements, which may eventually prove essential in templating before partial or total joint resurfacing as well as focal cartilage repair. Quantitative MRI techniques, such as T2 mapping, T1 rho, and delayed gadolinium-enhanced MRI of cartilage (dGEMRIC), provide noninvasive information about cartilage and repair tissue biochemistry. Diffusion-weighted imaging (DWI) and diffusion tensor imaging (DTI) demonstrate information regarding the regional anisotropic variation of cartilage ultrastructure. Further research strengthening the association between quantitative MRI and cartilage material properties may predict the functional capacity of native and repaired tissue. MRI provides an essential objective assessment of cartilage regenerative procedures.
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