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10
100
mm [ % ]
Applicator
surface
Reference
point
Dose gradient in intraluminal brachytherapy
1
dose normalized to 10
~ x 8
~ X 2
~ X 1.5
0,1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
distance from source axis [ mm ]
vagina
bronchus
oesophagus
Dose variation: applic. surface and 5 mm tissue depth