Abstract #1650
Dynamic 3D MR Thermometry in thoracic vertebrae using Controlled Aliasing in Volumetric Parallel Imaging (2D CAIPIRINHA)
Fuyixue Wang 1 , Zijing Dong 1 , Yuxin Hu 1 , Feiyu Chen 1 , Shuo Chen 2 , Bingyao Chen 3 , Jiafei Yang 3 , Xing Wei 3 , Shi Wang 2 , and Kui Ying 2
1
Department of Biomedical Engineering,
Tsinghua University, Beijing, China,
2
Key
Laboratory of Particle and Radiation Imaging, Ministry
of Education, Department of Engineering Physics,
Tsinghua University, Beijing, China,
3
Department
of Orthopedics, First Affiliated Hospital of PLA General
Hospital, Beijing, China
Microwave ablation for bone tumor requires large volume
coverage of the diseased tissue and the surrounding
healthy tissues, especially spinal nerves. We developed
an accelerated dynamic 3D MR temperature estimation
method based on the 2D CAIPIRINHA in order to obtain
better temperature estimation accuracy while
significantly reducing the acquisition time. Finally, we
validate the advantages and feasibility of this method
for monitoring the temperature change of spinal cord.
Generally, this method also allows researchers to extend
it to all common 3D parallel imaging for MR temperature
monitoring to obtain higher temperature estimation
accuracy.
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