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Table 3 Dose distribution and conformity on PTV2, resembling a target volume for a temporopolar glioblastoma

From: Dosimetric impact of tumor treating field (TTField) transducer arrays onto treatment plans for glioblastomas – a planning study

PTV2 Optimized Plan Re-Calculation on Position A Re-Calculation on Position B
PTV
 Dmax 63.8 Gy 63.8 Gy 63.3 Gy
 D2% 62.4 Gy 62.1 Gy 61.9 Gy
 Dmean 59.6 Gy 59.1 Gy 59.0 Gy
 D50% 60.0 Gy 59.5 Gy 59.4 Gy
 D98% 53.5 Gy 52.9 Gy 53.1 Gy
 Dmin 45.4 Gy 42.4 Gy 45.9 Gy
 Conformity (V95%/PTV) 0.89 0.86 0.86
 Homogenity ((D2%-D98%)/D50%) 0.15 0.15 0.15
Chiasm
 Dmax 54.5 Gy 53.5 Gy 53.3 Gy
 D2% 52.7 Gy 52.3 Gy 52.4 Gy
 Dmean 48.0 Gy 48.0 Gy 47.6 Gy
 V54Gy < 0.01 cm3 0 cm3 0 cm3
 V50Gy 0.29 cm3 0.27 cm3 0.24 cm3
Left Optical Nerve
 Dmax 55.5 Gy 55.7 Gy 55.4 Gy
 D2% 54.7 Gy 54.7 Gy 54.6 Gy
 Dmean 42.3 Gy 43.3 Gy 41.7 Gy
 V54Gy 0.02 cm3 0.02 cm3 0.02 cm3
 V50Gy 0.11 cm3 0.12 cm3 0.13 cm3
Right Optical Nerve
 Dmax 42.6 Gy 42.7 Gy 43.0 Gy
 D2% 39.3 Gy 40.4 Gy 39.9 Gy
 Dmean 28.6 Gy 28.5 Gy 27.4 Gy
 V54Gy 0 cm3 0 cm3 0 cm3
 V50Gy 0 cm3 0 cm3 0 cm3
Brainstem
 Dmax 55.5 Gy 55.7 Gy 55.1 Gy
 D2% 52.7 Gy 52.6 Gy 52.2 Gy
 Dmean 33.9 Gy 34.3 Gy 33.7 Gy
 V54Gy 0.09 cm3 0.10 cm3 0.02 cm3
 V50Gy 2.82 cm3 2.78 cm3 2.48 cm3