Research Article

Development of a Modelling to Correlate Site and Diameter of Brain Metastases with Hippocampal Sparing Using Volumetric Modulated Arc Therapy

Figure 2

(a) Example of dose distribution of avoidance of hippocampus during whole brain radiotherapy with simultaneously integrated boost using Volumetric Modulated Arc Therapy. (b) Plan comparison cumulative, normalized dose-volume histogram (▲ temporal versus ■ occipital): hippocampus (pink), eyes (cyan/blue), and PTVmts and PTVwb shown. Two metastases of 1 cm of diameter prescribed to 70.8 Gy and whole brain to 32.25 Gy in 15 fractions.
568597.fig.002a
(a)
568597.fig.002b
(b)