Jelle O Barentsz1, Marloes M G van der Leest2, Bas Israël3. 1. Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands. Electronic address: jelle.barentsz@radboudumc.nl. 2. Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands. 3. Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Urology, Radboud University Medical Center, Nijmegen, The Netherlands.