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Table 1 Patients and target volumes analysed. PTV: planning target volume

From: Imaging dose and secondary cancer risk in image-guided radiotherapy of pediatric patients

Case Patient Age at treatment PTV Prescription Imaging
1 1 16 1st series: right lung;
2nd series: right lung and infraclavicular/pectoral/ mediastinal lymphatics
1st series: 3x100cGy;
2nd series: 11 × 100 cGy;
11x166cGy
1 x 6MV axes
11 x IBL axes
2 2 15 bilateral neck cervical, supra- and infraclavicular lymphatics and mediastinum 11x180cGy 1 x 6MV axes
3 x IBL axes
3 3 17 Right cervical/mediastinal lymphatics 11x180cGy 4 x 6MV axes
1 x 6MV CBCT (7.2 MU)
4 4 16 1st series: Mediastinum
2nd series: Boost Mediastinum
1st series: 11x180cGy;
2nd series: 5x200cGy
1 x 6MV axes
4 x IBL axes
5 4 16 Spleen 11x180cGy 1 x 6MV axes
4 x IBL axes
6 5 16 1st series: Mediastinum;
2nd series: Boost macroscopic residual disease (Mediastinum)
1st series: 11x180cGy;
2nd series: 5x200cGy
6 x kV axes
1 x kV CBCT (414 mAs)
7 5 16 Spleen 11x180cGy 1 x 6MV/IBL axes
1 x kV axes
1 x kV CBCT (621 mAs)
8 6 5 bilateral neck, supra-infraclavicular, mediastinal and paraaortic lymphatics, spleen 11x180cGy 3 x 6MV axes
5 x 6MV CBCT (54 MU in total)
9 6 5 Os ileum 11x180cGy 5 x 6MV portal images
10 7 13 Left cervical lymphatics 11x180cGy 1 x kV axes
2 x kV CBCT (458 mAs in total)
11 7 13 Spleen 11x180cGy 2 x kV axes
3 x kV CBCT (1103 mAs in total)
1 x IBL CBCT (11 MU)