Antonio Luna, Ramón Ribes, Jorge A. Soto's Diffusion MRI Outside the Brain: A Case-Based Review and PDF

By Antonio Luna, Ramón Ribes, Jorge A. Soto

Recent advances in MR expertise allow the applying of diffusion MRI outdoor of the mind. during this booklet, the authors current circumstances drawn from day-by-day medical perform to demonstrate the function of diffusion sequences, besides different morphological and sensible MRI info, within the work-up of quite a few often encountered oncological and non-oncological illnesses. Breast, musculoskeletal, whole-body, and different purposes are lined intimately, with cautious rationalization of the professionals and cons of diffusion MRI in every one condition. Quantification and post-processing are mentioned, and recommendation is supplied on tips to collect cutting-edge photos, and keep away from artifacts, while utilizing 1.5- and 3-T magnets. purposes prone to emerge within the close to destiny, similar to for screening, also are reviewed. the sensible procedure followed by way of the authors, mixed with the wealth of fine quality illustrations, make sure that this ebook may be of significant worth to practitioners.

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Additional resources for Diffusion MRI Outside the Brain: A Case-Based Review and Clinical Applications

Example text

The second effect is that some signal from the studied organ can become saturated losing information from those regions (Fig. 8). Correct position of the shimming box Water Water Fat saturation pulse Fat saturation pulse Fat 0 Hz Fig. 8 Fat suppression artifacts: undesired tissue suppression. Fat suppression techniques can be divided into spectral and nonspectral selective techniques. In those techniques like SPIR or SPAIR, a good shimming is required in order to saturate properly just the spectral region of the fat signal.

In this figure, a comparison between SPIR and SPAIR DWI sequences of a liver hemangioma at a 3T magnet is shown. Notice the more homogeneous fat saturation with no B1 effect over the whole image using SPAIR than that obtained with SPIR. 5T SSh IR EPI diffusion No SENSE factor Acq Reso: 5 × 5 × 5 mm3 Fat suppression: STIR b value = 1,000 Acquisition time per stack = 1:30 min Fig. 9 DWIBS sequence. Diffusion imaging can also be used in whole body applications. In this case, a STIR acquisition tuned to reduce the fat signal contribution was applied in order to avoid magnetic field homogeneity problems.

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