T2* Correction Using B0 Mapping for Renal BOLD Quantification

Renal BOLD-MRI has been proposed as a method of functional renal imaging. Baseline values of T2* (R2*) and change in T2* in the kidneys after administration of a diuretic such as furosemide have been reported to correlate with severity of kidney disease. However, other published data shows no correlation between renal R2* and severity of chronic kidney disease. Among the potential confounding factors for accurate T2* quantification are B0 inhomogeneities that can result in varying T2* values between measurements. In this work, B0 maps are used to correct the T2* images for more accurate quantification.

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