Advanced Physics for Brachytherapy 2018

Conclusion

• Voxel-by voxel cross section assignment is a critical step

➢ Tissue segmentation; Applicator and source descripti on

➢ Follow TG-186 guidelines to ensure centre-to-centre consistency

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Poke/Question your favorite TPS/Applicator vendor(s)…

• For 192 Ir, water is a good representation of soft tissue only

➢ Air, bone, metals, … should be segmented and assigned the right material/densitiy

• Dual-Energy/Multi-Energy-CT should be explored actively

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Potential accurate solution to (ρ e ,Z eff

) assignments

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Hot research topics