2016 AAPM Annual Meeting
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Session Title: Image-Guided Interventions: Advances in Intraoperative Imaging, Guidance, and an Emerging Role for Medical Physics in Surgery
Question 1: What is the frequency of wrong-level spine surgery?
Reference:Mody et al, Spine 33(2) pp 194-198, (2008)
Choice A:1 in 110
Choice B:1 in 320
Choice C:1 in 3,100
Choice D:1 in 11,000
Question 2: A robust similarity metric for 3D-2D image registration is:
Reference:De Silva et al, Spine
Choice A:Gradient orientation
Choice B:The covariance matrix
Choice C:Projection distance error
Choice D:Static alignment
Question 3: A disadvantage of model-based 3D image reconstruction compared to filtered backprojection is:
Reference:Wang et al, Med Phys 42(5) 2699 (2015)
Choice A:Reduced spatial resolution
Choice B:Sensitivity to artifacts
Choice C:Not suitable to C-arm imaging
Choice D:Longer computation time
Question 4: Possible advantages of multimodality image-guided interventions are..
Reference:Abi-Jaoudeh et al., Cardiovasc Intervent Radiol 35(5): 986–998 (2012)
Choice A:Improved targeting and reduced complications.
Choice B:Ability to deliver precision medicine.
Choice C:Reduced radiation
Choice D:(a) and (c) only
Choice E:(a), (b) and (c)
Question 5: To implement multimodality image guidance, one needs....
Reference:Abi-Jaoudeh et al., Cardiovasc Intervent Radiol 35(5): 986–998 (2012)
Choice A:A hybrid scanner
Choice B:Image registration
Choice C:Spatial tracking
Choice D:Multispectral CT
Choice E:Options (a), (b) and (c)
Question 6: Intra-operative MRI-guidance has been demonstrated as beneficial for which types of brain surgery?
Reference:Tempany, Clare, et al. "Multimodal imaging for improved diagnosis and treatment of cancers." Cancer 121.6 (2015): 817-827.
Choice A:Glioma resection
Choice B:Meningioma resection
Choice C:Aneurysm surgery
Question 7: AMIGO is....
Reference:Reference: Tempany, Clare, et al. "Multimodal imaging for improved diagnosis and treatment of cancers." Cancer 121.6 (2015): 817-827.
Choice A:A clinical testbed for translational research in image-guided therapy.
Choice B:A routine operating room at Brigham and Women’s hospital.
Choice C:A unique resource that contains intra-operative MRI, PET/CT, angio, ultrasound, mass-spectrometry, all in the same operating suite.
Choice D:(a and c).
Question 8: Mass-spectrometry can potentially transform the workflow of neurosurgery by....
Reference:Eberlin, Livia S., et al. "Ambient mass spectrometry for the intraoperative molecular diagnosis of human brain tumors." Proceedings of the National Academy of Sciences 110.5 (2013): 1611-1616.
Choice A:Providing tissue characterization at tumor margins in real-time in the OR.
Choice B:Providing cost-effective analysis of tissue, but with a significant delay.
Choice C:Improving the quality of ultrasound imaging in the operating room.
Question 9: What are the possible mechanisms of action in therapeutic HIFU?
Reference:Tempany CM, McDannold NJ, Hynynen K, Jolesz FA. Focused ultrasound surgery in oncology: overview and principles. Radiology 2011 Apr;259(1):39-56. doi: 10.1148/radiol.11100155.
Choice A:Thermal.
Choice B:Ionization.
Choice C:Pressure.
Choice D:Excision.
Choice E:A and C.
Question 10: What properties of magnetic resonance imaging lend themselves to image-guidance in HIFU applications in thermal ablation planning and treatment monitoring?
Reference:Hectors SJ, Jacobs I, Moonen CT, Strijkers GJ, Nicolay K. MRI methods for the evaluation of high intensity focused ultrasound tumor treatment: Current status and future needs. Magn Reson Med. 2016 Jan;75(1):302-17. doi: 10.1002/mrm.25758.
Choice A:Soft tissue contrast resolution.
Choice B:3D imaging.
Choice C:Angiography.
Choice D:Temperature mapping.
Choice E:All of the above.
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