Practical Aspects of Cyberknife Small Beam Dosimetry

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Independent Output Check � Absolutely necessary before treating a patient! � Same institute: crosscalibrate (TLD) � Stand-alone site: TLD service
Outline � Reference dosimetry � TG-51 � Chambers � Independent output check � Relative Dosimetry � Output Factors � OARs � Practical Comments on taking Beam Data � Tools needed � Time required � Order of measurement
Page 1 and 2: Sonja Dieterich, PhD and Lei Wang,
Page 3 and 4: Outline � Reference dosimetry �
Page 5 and 6: TG-51 for flattening filter only? N
Page 7: TG-51: Chamber selection • Dose f
Page 11 and 12: Point source assumption starts brea
Page 13 and 14: OF Corrections: Results � Vicenza
Page 15 and 16: 1.000 0.800 0.600 0.400 0.200 0.000
Page 17 and 18: Tools needed � Water phantom: �
Page 19 and 20: Order of Measurement 1. OF first!

Practical Aspects of Cyberknife Small Beam Dosimetry

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