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Uncertainty requirements for single source
dosimetry
I th i
th d l i l
d ti
f
i d i t
t
n e r me o o og ca recommen a ons or measur ng os me ry parame ers:
TG-43U1
*
advises on using a dosimeter system with sufficient precision and
accuracy to permit dose-rate estimations with
combined 1σ Type A uncertainty <5%
and 1σ Type B uncertainty <7% for a total 1 σ uncertainty <9% for LE sources
Joint AAPM-ESTRO report
**
advises on using a dosimeter system with sufficient
precision and accuracy to permit dose-rate estimations with
k=1 Type A (statistical)
uncertainties 3% and k=1 Type B uncertainties 6%
* Rivard et al., 2004. Update of AAPM Task Group No. 43 Report: A revised AAPM protocol for
brachytherapy dose calculations Med Phys 31(3) p 633
.
.
.
, .
.
** Perez-Calatayud et al., 2012. Dose calculation for photon-emitting brachytherapy sources
with average energy higher than 50 keV: report of the AAPM and ESTRO. Med. Phys. 39(5),
p 2904 .