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BACKGROUND AND PURPOSE Brain tumours are the most frequent solid tumours in children and the most frequent radiotherapy indications in paediatrics, with frequent late effects: cognitive, osseous, visual, auditory and hormonal. A better protection of healthy tissues by improved beam ballistics, with particle therapy, is expected to decrease significantly(More)
Radiotherapy is a major modality in the treatment of brain tumours. The target volumes definition has to be precise for the radiation planification. The gross target volume (GTV) is most of the time delineated within the fusion of the planning CT scan with the appropriated MRI sequences. The clinical target volume (CTV) definition is more complex: it varies(More)
PURPOSE Helical radiation intensity modulated by tomotherapy improves dose distribution to complex and large volumes. The aim of the study was to assess acute toxicity of this technique during breast cancer irradiation after conserving surgery or mastectomy. PATIENTS AND METHODS Cutaneous toxicities, lung and oesophageal side effects, and breast(More)
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