Abstract #4058
Direct Virtual Coil (DVC) for bone tumor temperature mapping
Yuxin Hu 1 , Shuo Chen 2 , Bingyao Chen 3 , Jiafei Yang 3 , Xing Wei 3 , Shi Wang 2 , and Kui Ying 2
1
Tsinghua University, Beijing, Beijing,
China,
2
Engineering
Physics, Tsinghua University, Beijing, China,
3
Department
of Orthopedics, First Affiliated Hospital of PLA General
Hospital, Beijing, China
High speed and temperature accuracy are required in MR
thermometry. While parallel imaging can speed up the
acquisition, the corresponding reconstruction usually
requires significant computation, especially when large
coil arrays are used. This work evaluates the
feasibility of direct virtual coil (DVC) for MR
thermometry on bone tumor thermotherapy, in which
parallel imaging and coil combination are combined into
one step to reduce reconstruction time. It has been
demonstrated that DVC can achieve similar temperature
mapping accuracy compared to traditional parallel
imaging method under different acceleration factors
while it can be about twice faster.
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