TY - JOUR
T1 - A look-up-table development to facilitate CT simulation of MR-Linac treatment
AU - Hughes, Neil
AU - Salzillo, Travis C
AU - Vedam, Sastry
AU - Lim, Tze Yee
AU - Wang, Xin
AU - Wang, He
AU - Mohammedsaid, Mustefa
AU - Fuller, Clifton D.
AU - Wang, Jihong
AU - Yang, Jinzhong
N1 - Publisher Copyright:
© 2023 The Authors
PY - 2024/1
Y1 - 2024/1
N2 - While current MR-Linac (MRL) treatment workflows utilize a large table overlay during CT simulation to convert indexing between the two machines, we developed a look-up-table (LUT) as an alternative approach. After populating the LUT, index conversion factors were verified at three separate table locations. The resultant root-mean-square isocenter shifts on the MRL were 0.04/0.08 cm, 0.08/0.07 cm, and 0.09/0.08 cm with/without using the table overlay during simulation in the lateral, longitudinal, and vertical directions, respectively, which is within registration tolerance. Clinical implementation of the LUT has resulted in a more efficient MRL treatment workflow while maintaining accurate patient setup.
AB - While current MR-Linac (MRL) treatment workflows utilize a large table overlay during CT simulation to convert indexing between the two machines, we developed a look-up-table (LUT) as an alternative approach. After populating the LUT, index conversion factors were verified at three separate table locations. The resultant root-mean-square isocenter shifts on the MRL were 0.04/0.08 cm, 0.08/0.07 cm, and 0.09/0.08 cm with/without using the table overlay during simulation in the lateral, longitudinal, and vertical directions, respectively, which is within registration tolerance. Clinical implementation of the LUT has resulted in a more efficient MRL treatment workflow while maintaining accurate patient setup.
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U2 - 10.1016/j.phro.2023.100524
DO - 10.1016/j.phro.2023.100524
M3 - Article
C2 - 38192414
AN - SCOPUS:85180595390
SN - 2405-6316
VL - 29
JO - Physics and Imaging in Radiation Oncology
JF - Physics and Imaging in Radiation Oncology
M1 - 100524
ER -