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Table 1 Modeling of the BrainLAB Imaging couch top (ICT) in the Philips Pinnacle 3 treatment planning system using different combinations of carbon fibers (CF) and foam densities (F) for 10 cm × 10 cm field size

From: A validation of carbon fiber imaging couch top modeling in two radiation therapy treatment planning systems: Philips Pinnacle3 and BrainLAB iPlan RT Dose

  Pinnacle3 treatment planning system predicted dose (cGy)
Angle Measured dose (cGy) No Couch CF0.6 CF0.5 CF0.46, CF0.46 CF0.6 CF0.55 CF0.7
    F0.02 F0.03 F0.05 F0.1 F0.1 F0.03 F0.1
180 89.3 90.5 88.4 89.1 88.5 87.7 86.8 88.7 86.4
170 89.0 89.8 88.1 88.7 88.1 87.3 86.5 88.4 86.0
160 87.9 89.4 87.2 87.8 87.2 86.4 85.5 87.5 85.1
150 85.9 87.3 85.6 86.2 85.5 84.6 83.7 85.9 83.4
140 82.4 84.6 82.1 82.8 82.2 81.1 80.1 82.5 79.7
130 76.7 80.1 76.9 77.7 77.0 75.8 74.6 77.3 74.1
120 67.5 72.3 68.2 69.2 68.3 67.0 65.6 68.7 65.1
110 58.0 61.4 57.4 58.3 58.0 57.3 56.0 57.9 55.8
100 64.5 63.9 63.9 63.9 63.9 63.9 63.9 63.9 64.1