This live presentation has insightful discussion about the imaging doses for radiotherapy patients and techniques of optimization and reduction.
00:00 Introduction
05:17 Is imaging dose of Concern?
07:05 Dose from Imaging for diagnosis and Simulation
07:57 CT Simulation Imaging dose
12:36 Dose from Imaging During Radiation Therapy
12:49 IGRT Imaging Dose Dependencies
13:36 MV Portal Imaging
15:07 Room-Mounted 2D Imaging
15:34 Megavoltage CBCT
16:01 TomoTherapy/Radixact imaging dose
17:02 Kilovoltage CBCT
17:35 Magnitude of imaging dose
18:32 Focusing on KV CBCT
20:07 Dose variation with CBCT imaging protocol
21:25 Effect of Filtration, Start/stop angle, Patient size on the imaging dose
23:05 Inhomogeneity of Imaging dose
25:34 Peripheral Dose form Imaging
27:33 Imaging dose reduction / optimization
37:11 Summary and Conclusion
38:17 Question and discussion