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The current brachytherapy (

BT

) dose calculation algorithm

overestimates

, while the external beam radiotherapy (

EBRT

) algorithms

underestimate

the skin dose.

In real clinical cases the differences in skin doses between BT and EBRT

are larger than the calculated ones, in favour of BT.

BT

EBRT

D

0.1ccm

(%)

77

94

D

1ccm

(%)

60

88

Skin doses in brachytherapy and external beam therapy