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Plans of 5 cases compared:
•
D-RSBT
vs.
Interstitial + Intracav. BT
• With 30 additional min. for D-RSBT:
• D90 improved for 20 Gy (EQD2)
• OAR doses +/- unchanged
HR CTV = 41 cm
3
HR CTV = 45 cm
3
HR CTV = 98 cm
3
HR CTV = 77 cm
3
HR CTV = 74 cm
3
CAUTION…
• IS-IC BT technique not described in this work…
• Extensive Favourable experience with IC-IS BT!
• D-RSBT: Dose emitted from single channel
• High-D volume increased by 15 - 50 %!
• D heterogeneity!
• TRAK?
• Clinical implications?
Dynamic
Rotating Shield Brachytherapy - D-RSBT