Folie 1

A comparison of inhalation-phase images of concurrent 4D CBCT during VMAT delivery with

(a) FF and (b) FFF.

Nakagawa K et al. J Radiat Res 2014;55:200-202

projection images 1104 (range, 1093–1116) for FF and 490 (range, 481–500) for FFF

12.5 Gy in partial arc, 1 cm amplitude, 3 sec period

12.5 Gy from 200 sec FF to 90 sec FFF with 6 MV Elekta and no concurrent CBCT

Online 4D CBCT