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Table 3 Planning dose results for CTV and PTV in ICR-plans

From: Quality assurance of radiotherapy in the ongoing EORTC 22042–26042 trial for atypical and malignant meningioma: results from the dummy runs and prospective individual case Reviews

Target Volume Mean Volume (cc), ±SD Mean D98% (Gy), ±SD Mean D95% (Gy), ±SD Mean D50% (Gy), ±SD Mean D2% (Gy), ±SD
CTV1 (n=50) 105.5 ±83.2 58.3 ±2.2 58.9 ±1.5 60.6 ±0.8 62.5 ±1.0
CTV2 (n=7) 67.0 ±83.9 67.7 ±3 68.6 ±1.8 70.9 ±0.7 72.9 ±1.6
PTV1 (n=50) 172.6 ±106.4 55.7 ±4.6 57.0 ±3.7 60.4 ±0.8 62.7 ±1.1
PTV2 (n=7) 99.2 ±97.3 65.8 ±4.5 67.8 ±2.4 70.9 ±0.6 73.1 ±1.4
  1. Abbreviations: PTV, Planning Treatment Volume; CTV, Clinical Target Volume; D98%, D95%, D50%, D2%, Dose received by 98, 95, 50 and 2 percent of the PTV, respectively.