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Figure 2 | Radiation Oncology

Figure 2

From: Dosimetric impact of reduced nozzle-to-isocenter distance in intensity-modulated proton therapy of intracranial tumors in combined proton-carbon fixed-nozzle treatment facilities

Figure 2

Dose distribution in a representative axial CT slice of a selected patient for the IMPT plans created using two distances between nozzle and treatment isocenter: a) 100 cm (d ISO ) and b) 60 cm (d ISO-40 ). The reduced distance between the nozzle and patient leads to a sharper lateral dose fall-off, hence to improved target conformation.

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Radiation Oncology

ISSN: 1748-717X

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