[1] Univ Amsterdam, Acad Med Ctr, Dept Radiol, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Lille Nord France, Lille, France
[3] CHU Lille, Dept Radiol, F-59037 Lille, France
[4] INSERM, U703, Loos, France
[5] CHU Lille, Dept Urol, F-59037 Lille, France
[6] Mem Sloan Kettering Canc Ctr, Dept Radiol, New York, NY 10021 USA