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Table 1 Tests for static and dynamic MLC used for this work. Main geometrical characteristics and relative measurements are reported

From: MLC parameters from static fields to VMAT plans: an evaluation in a RT-dedicated MC environment (PRIMO)

 

Test

Jaws (cm)

MLC

Measurements

Analysis

Static

MLC_square

10 × 10

Square 2,3,5 and 10 cm side

microDiamond

Point dose

MLC_transm

10 × 10

Fully closed on the central axis

Film

Profiles

MLC_alternate

10 × 20

Bank B: even leaves open, odd leaves closed.

Bank A: all closed

Film

Profiles

Dynamic

DLG-test

10 × 10

Gap: 2,4,6,10,14,16, 20 mm moving from left to right Transmitted dose (bank A closed and then bank B closed)

microDiamond

Point dose

a-SG

10 × 22

Gap: 5, 10, 20, 30 mm

TG: 0, 1

Film

Profiles

a-OSG

6 × 8

Gap: 10, 30 mm

TG: 0, 1

Film

Profiles