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Breast treatments using Mammosite™
• Single balloon (round or
oval ) catheter inserted into
the tumour cavity at op or
under US guidance post-op
• Inflated to fill cavity
• Attached to after-loader to
deliver treatment
• CTV tumour bed +1cm
• 34Gy/10# over 5 days
• Newer applicators with 5-11
catheters and vacuum ports
A: Balloon catheter
B: Applicator shaft
C: After-loader with
192
Ir source