MEASUREMENT OF RENAL CORTICAL THICKNESS USING NON-CONTRAST-ENHANCED STEADY-STATE FREE PRECESSION (SSFP) MRI WITH SPATIALLY SELECTIVE IR PULSE: ASSOCIATION WITH RENAL FUNCTION

The purpose of this study is to assess whether noncontrast-enhanced SSFP MRI with a spatially selective IR pulse can improve the visibility of renal corticomedullary differentiation to measure renal cortical thickness in patients showing renal dysfunction, and to investigate the correlation between renal cortical thickness and eGFR. Mean corticomedullary contrast ratio was higher in SSFP images with optimal TI than in IP images. Additionally, positive correlation was observed between minimal renal cortical thickness and eGFR. This fact suggested that non-contrast-enhanced SSFP MRI using this technique has a potential to evaluate the renal dysfunction with higher sensitivity than conventional imaging.

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