[1] CHU Rennes, Hop Pontchaillou, Serv Urol, F-35033 Rennes, France
[2] CHU Rennes, Hop Pontchaillou, Serv Med Interne, F-35033 Rennes, France
[3] CHU Rennes, Hop Pontchaillou, Serv Radiol, F-35033 Rennes, France
[4] CHU Rennes, Hop Pontchaillou, Serv Anat & Cytol Pathol, F-35033 Rennes, France