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Avoiding Systematic Errors of Fiber-optic Temperature Probes: MR Thermometry for Safety Assessment of Small Planar Metallic Structures

Catheter-based Arterial Input Function for Quantitative Perfusion Measurements with Intra-arterial Injection

Author:Simon Stephan  Simon Reiss  Thomas Lottner  Ali Özen  Michael Bock  

Institution:Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg  

Session Type:Digital Poster  

Session Date:Wednesday, 15 May 2019  

Session Time:13:30  

Session Name:Non-Thermal Interventional MRI  

Program Number:3840  

Presentation Time:13:30   

Room Number:Exhibition Hall  

Computer Number:Computer 161  

Influence of the Electrode Diameter on Radio Frequency-induced Heating in MRI

Author:Johannes Erhardt  Thomas Lottner  Jessica Martinez  Ali Özen  Martin Schuettler  Thomas Stieglitz  Daniel Ennis  Michael Bock  

Institution:CorTec  Stanford University  University Medical Center Freiburg  University of California Los Angles  University of Freiburg  

Session Type:Digital Poster  

Session Date:Wednesday, 15 May 2019  

Session Time:15:45  

Session Name:RF & Gradient Safety Methods  

Program Number:4191  

Presentation Time:15:45   

Room Number:Exhibition Hall  

Computer Number:Computer 166  

MR Safety Watchdog for Safe Active Catheters: Wireless Impedance Controller with Real-time Feedback

MR Safety Watchdog for Safe Active Catheters: Wireless Impedance Controller with Real-time Feedback

On the RF Excitation of Overlapping Stents: Electro-optical E-field Measurements

Author:Simon Reiss  Thomas Lottner  Ali Özen  Michael Bock  Andreas Bitzer  

Institution:Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg  University of Applied Sciences HTW Chur  

Session Type:Digital Poster  

Session Date:Wednesday, 15 May 2019  

Session Time:15:45  

Session Name:RF & Gradient Safety Methods  

Program Number:4192  

Presentation Time:15:45   

Room Number:Exhibition Hall  

Computer Number:Computer 167  

Quantifying Information Content of Multiparametric MRI Data for Automatic Tumor Segmentation using CNNs

Readout-segmented vs. Single Shot Diffusion MRI for Radiation Therapy Planning in Head and Neck Tumor

Safety Assessments in the Cascaded Media Using an Electro-optic Sensor-based Transfer Function Measurement Setup

Safety of active catheters in MRI: Termination impedance versus RF-induced heating

Author:Ali Özen  Thomas Lottner  Michael Bock  

Institution:Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg  German Cancer Research Center (DKFZ)  

Session Type:Digital Poster  

Session Date:Wednesday, 15 May 2019  

Session Time:15:45  

Session Name:RF & Gradient Safety Methods  

Program Number:4176  

Presentation Time:15:45   

Room Number:Exhibition Hall  

Computer Number:Computer 151