To prospectively determine if changes in intrarenal oxygenation during acute unilateral ureteral obstruction can be depicted with blood oxygen level-dependent (BOLD) magnetic resonance (MR) imaging.
Department of Radiology, Neuroradiology and Nuclear Medicine, University Hospital of Bern, Inselspital, Freiburgstrasse 10, CH-3010 Bern, Switzerland. Harriet.Thoeny@insel.ch