Advanced Brachytherapy Physics - Vienna 2016

The Dosimeters

• Diodes: PTW 9112 (5) and 9113 (1) Cervix

Alecu R and Alecu M. Med Phys 26 (1999)

Agreement with TPS within 15%

o

Waldhäusl C et al., Rad Onc 77 (2005)

o Phantom: uncertainty of diode measurements of 7% (1σ)

Clinical action level of ± 10%

o

o 36 out of 55 cases need further investigation

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