Abstract
Improvements in SNR due to use of 3T magnets are a potential advantage for DWI, although the parallel increase of artifact is difficult to eliminate. This chapter gathers the effect of the magnetic field strength in the DWI acquisition. Advanced clinical applications of DWI in body studies are clearly benefit for the use of high-field strength magnets. Clinical examples of DTI in prostate, heart, muscle or kidney, DWI neurography, or IVIM model are presented. Radiologist should be aware of this potential source of error when reading DWI sequences. In this sense, different pitfalls on DWI are introduced, such as T2 shine-through and dark-through, the effect of metal implants and iron overload, restriction of normal structures, nonmalignant lesions with apparent restriction of free water movement, and the appearance of low-grade tumor on DWI.
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Sánchez-González, J., Luna, A. (2012). DWI at 3 T: Advantages, Disadvantages, Pitfalls, and Advanced Clinical Applications. In: Diffusion MRI Outside the Brain. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21052-5_4
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DOI: https://doi.org/10.1007/978-3-642-21052-5_4
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