Undergraduate education

University of Wisconsin-Madison, BS, 1989

Years in MSTP



Medical physics, 1996


Giles Santyr, PhD, FCCPM

Thesis title

Measurement of Renal Extraction Fraction and Single Kidney Glomerular Filtration Rate Using MRI


Diagnostic radiology, Beth Israel Deaconess, Boston, 1999-2004


MRI body fellowship, Beth Israel Deaconess, Boston, 2004-2005

Current position

Assistant professor, Radiology, University of Minnesota, Medical School

PhD publications

Niendorf ER, Grist TM, Lee FT Jr, Brazy PC, Santyr GE. Rapid in vivo measurement of single-kidney extraction fraction and glomerular filtration rate with MR imaging. Radiology. 1998 Mar;206(3):791-8. PMID: 9494503.

Niendorf ER, Grist TM, Frayne R, Brazy PC, Santyr GE. Rapid measurement of Gd-DTPA extraction fraction in a dialysis system using echo-planar imaging. Med Phys. 1997 Dec;24(12):1907-13. PMID: 9434973.

Niendorf ER, Santyr GE, Brazy PC, Grist TM. Measurement of Gd-DTPA dialysis clearance rates by using a look-locker imaging technique. Magn Reson Med. 1996 Oct;36(4):571-8. PMID: 8892210.

Grist TM, Niendorf ER, Lee FT, Brazy PC, Santyr GR. Noninvasive measurement of renal hemodynamic functions with gadolinium-enhanced MRimaging – Response. Radiology. 1999 Jan;210(1):288-288.