Effects on skin dose from unwanted air gaps under bolus in an MR-guided linear accelerator (MR-linac) system

Bolus is commonly used in MV photon radiotherapy to increase superficial dose and improve dose uniformity for treating shallow lesions. However, irregular patient body contours can cause unwanted air gaps between a bolus and patient skin. The resulting dosimetric errors could be exacerbated in MR-Li...

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Veröffentlicht in:	Physics in medicine & biology 2021-03, Vol.66 (6), p.065021-065021
Hauptverfasser:	Huang, Chen-Yu, Yang, Bin, Lam, Wai Wang, Tang, Ka Keung, Li, Ting Chuan, Law, Wai Kong, Cheung, Kin Yin, Yu, Siu Ki
Format:	Artikel
Sprache:	eng
Schlagworte:	Air Benchmarking Electrons Humans Ions Magnetic Fields Magnetic Resonance Imaging - methods Particle Accelerators Phantoms, Imaging Radiometry - methods Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted - methods Reproducibility of Results Skin - radiation effects
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