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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.
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Radiation Oncology

ISSN: 1748-717X

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