2018 AAPM Annual Meeting
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Session Title: Surface Image Guided Radiotherapy Monitoring Systems (Limited Capacity: First come, First served)
Question 1: Which of the following techniques is NOT currently used as a primary method for surface image guidance
Reference:T. Willoughby et al., “Quality assurance for nonradiographic radiotherapy localization and positioning systems: Report of Task Group 147,” Med. Phys. 39(4), 1728-1747 (2012).
Choice A:Visible light.
Choice B:Ultrasound.
Choice C:Laser.
Choice D:Infrared.
Question 2: The detected signal from a surface image guidance system can be interpreted via all of the following EXCEPT:
Reference:T. Willoughby et al., “Quality assurance for nonradiographic radiotherapy localization and positioning systems: Report of Task Group 147,” Med. Phys. 39(4), 1728-1747 (2012).
Choice A:Stereoscopic or binocular imaging.
Choice B:Single camera or monocular imaging.
Choice C:Comparison with Digitally Reconstructed Radiographs.
Choice D:Interferometry.
Question 3: Which of the following can affect the performance of a surface image guidance monitoring system?
Reference:T. Willoughby et al., “Quality assurance for nonradiographic radiotherapy localization and positioning systems: Report of Task Group 147,” Med. Phys. 39(4), 1728-1747 (2012).
Choice A:Thermal drift.
Choice B:Finite field of view.
Choice C:Region of interest selection.
Choice D:Detector frame rate.
Choice E:Variable light conditions.
Choice F:All of the above.
Question 4: Surface image guidance has been used for all of the following EXCEPT:
Reference:• C. Bert et al., “Clinical experience with a 3D surface patient setup system for alignment of partial-breast irradiation patients,” Int. J. Radiat. Oncol. Biol. Phys. 64(4), 1265-1274 (2012). • L. Cervino et al., “Frame-less and mask-less cranial stereotactic radiosurgery: A feasibility study,” Phys. Med. Biol. 55(7), 1863-1873 (2010).
Choice A:Total skin electron therapy.
Choice B:Intracranial stereotactic radiosurgery.
Choice C:Breast/chest wall.
Choice D:Lung.
Choice E:Extremities.
Question 5: Which is NOT an advantage of surface image guidance monitoring systems?
Reference:T. Willoughby et al., “Quality assurance for nonradiographic radiotherapy localization and positioning systems: Report of Task Group 147,” Med. Phys. 39(4), 1728-1747 (2012).
Choice A:No radiation dose exposure.
Choice B:No risk of collisions between the patient and the imaging system.
Choice C:Increased imaging system/treatment system isocenter accuracy.
Choice D:Real-time monitoring.
Choice E:Expedited patient positioning.
Question 6: Commissioning and quality assurance tests should assess which of the following?
Reference:T. Willoughby et al., “Quality assurance for nonradiographic radiotherapy localization and positioning systems: Report of Task Group 147,” Med. Phys. 39(4), 1728-1747 (2012).
Choice A:Integration and communication with R&V or linac.
Choice B:Imaging system/treatment system coincidence.
Choice C:Field of view.
Choice D:Spatial accuracy.
Choice E:Temporal accuracy.
Choice F:All the above.
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