University of Twente Student Theses


Real-time 3D MR-Thermometry using a Stack-of-Stars Gradient Echo Pulse Sequence

Putman, E.J. (2023) Real-time 3D MR-Thermometry using a Stack-of-Stars Gradient Echo Pulse Sequence.

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Abstract:Thermal ablation is a minimally invasive technique in the treatment of tumors. Accurate temperature monitoring in tissue is crucial for ensuring patient safety and the efficacy of the treatment. MR-thermometry is a commonly used method for temperature monitoring. Real-time application of this method operates mainly in 2D due to the low temporal resolution of MRI. 3D temperature monitoring would be preferable for better volumetric coverage of heated regions, thereby improving patient safety. The 3D Stack-of-Stars Gradient Echo pulse sequence (3D-RAVE) could be a robust option, offering a flexible spatiotemporal resolution for monitoring temperature during an ablation procedure. This study aims to evaluate the temperature accuracy of the 3D-RAVE in combination with a model-based reconstruction approach for temperature determination. Additionally, it will be determined at what acceleration factor reliable temperature maps can be acquired.
Item Type:Essay (Bachelor)
Faculty:TNW: Science and Technology
Subject:31 mathematics, 33 physics, 44 medicine, 50 technical science in general
Programme:Biomedical Technology BSc (56226)
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