Diffusion Weighted Imaging (DWI) is one of the functional techniques in MRI. DWI is an important component of multi-parametric MRI (mpMRI) of the prostate. However, DWI is prone to susceptibility-related artefacts arising mainly from rectal gas and metal hip replacements in prostate MRI. The rectal gas artefacts may reduce the quality of the DWI of the prostate, which may affect image interpretation, or they may be confused with pathology1.
Different recent studies2-5 are in support of a prostate MRI without the use of a gadolinium contrast agent known as bi-parametric MRI (bpMRI). An excellent quality DWI is invaluable in bpMRI. In mpMRI, a poor-quality DWI can be complemented by a Dynamic Contrast Enhanced (DCE) sequence in the assessment of prostate diseases.
The difference between mpMRI and bpMRI is that bpMRI does not involve the injection of gadolinium-based contrast agents. On the other...
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