Objective: This article covers the technical aspects and clinical applications of recent advancements in wrist MRI techniques, including T2 and T1rho mapping, compressed sensing, and isotropic 3D imaging using driven equilibrium sequences, variable-flip-angle refocusing pulse sequences, and parallel imaging. The clinical applications of these techniques include the quantitative analysis of cartilage and triangular fibrocartilaginous complex (TFCC) degeneration, faster scanning times, and improved resolution of complex wrist anatomy, allowing differentiation of degenerative from traumatic TFCC tears and improved morphologic evaluation of chondromalacia.
Conclusion: MRI of the wrist and of the musculoskeletal system has had multiple novel and exciting advancements in recent years. Several of these advancements, such as parallel imaging, are already in clinical use, and others will be entering the clinical realm in the near future. An understanding of these techniques allows one to use their advantages to greatest effect.
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| http://dx.doi.org/10.2214/AJR.17.18012 | DOI Listing |
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