Progress in Medical Physics

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Table. 1.

Table. 1.

Measurement cases for modeling and evaluating the dual-source and MLC scatter source

Jaw-defined field (X×Y cm2) MLC-defined field (X×Y cm2)
Dual-source model
For development 4×4 to 40×40 Open (MLC retracted)
10×4 to 10×40
4×10 to 40×10
For evaluation 4×4 to 4×40
4×4 to 40×4
40×4 to 40×40
4×40 to 40×40
MLC scatter source model
For development 10×10 4×4 to 10×10
20×20 4×4 to 20×20
For evaluation 15×15 4×4 to 15×15

MLC, multi-leaf collimator.

Progress in Medical Physics 2021;32:137-44 https://doi.org/10.14316/pmp.2021.32.4.137
© 2021 Progress in Medical Physics