Reproducibility of R2* & R2 Measurements in Human Kidneys

Jeff Lei Zhang¹, Pippa Storey¹, Henry Rusinek¹, Hersh Chandarana¹, Mervin Wauchope¹, Rajesh Bhatta¹, David Stoffel¹, Eric E. Sigmund¹, Qun Chen¹, Vivian S. Lee¹

One limiting factor in renal BOLD MRI for diuretic studies is the low reproducibility of relaxation rates. We examined the day-to-day reproducibility of R2*, R2, and R2' estimates in human renal cortex and medulla obtained in healthy volunteers.