1 Department of Urology, University Hospital "Jose Eleuterio Gonzalez" Autonomous University of Nuevo Leon.
2 Department of Radiology, University Hospital "Jose Eleuterio Gonzalez" Autonomous University of Nuevo Leon UANL.
3 Department of Radiology, University Hospital "Jose Eleuterio Gonzalez" Autonomous University of Nuevo Leon UANL. Electronic address: [email protected].