Apart from the study of meningeal diseases, cortical metastases and multiple sclerosis, T2-W FLAIR is used for analyzing the CSF drainage of fluids. However, little is known regarding gadolinium induced signal intensity (SI) changes in the normal gray (GM) and white matter (WM). The SI ratios GM/WM and CSF/WM increase by 2.5% and 7% respectively whereas the SI in WM does not change. These findings are important for the interpretation of clinical findings and will provide better understanding of the movement of neurofluids in the human brain at early time points (e.g.4-5 minutes after GBCA injection).
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