813 / 1674
sources are close to the target volume
6 – 10 channels – lots of dwell positions
non-spherical target volume
asymmetric margin
large dose inhomogeneity in target
steep dose gradient at edges
high dose modulation potential
Intracavitary hybrid devices (ClearPath, SAVI)
Scanderberg et al. J Appl Clin Med Phys 11(1):3021. 2009