2018 AAPM Annual Meeting
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Session Title: Structural and Functional Imaging Techniques Across Body Systems
Question 1: T2-mapping MRI is used in MSK imaging to assess...
Reference:“Imaging in mechanical back pain: Anything new?” Hansen, B.B. et al., Best Practice & Research Clinical Rheumatology , Volume 30 , Issue 4 , 766 - 785
Choice A:Water content in intervertebral discs.
Choice B:Disc proteoglycan content.
Choice C:Fat concentration.
Choice D:Crystal depositions.
Choice E:Muscle atrophy.
Question 2: Which of the following modalities can be used for dynamic kinematic imaging?
Reference:Functional Joint Imaging Using 256-MDCT: Technical Feasibility,” V. Kalia et al, American Journal of Roentgenology. 2009;192: W295-W299. 10.2214/AJR.08.1793
Choice A:Fluoroscopy
Choice B:CT
Choice C:US
Choice D:MRI
Choice E:A and C
Choice F:All of the above
Question 3: One possible method for measuring the velocity of blood with MRI is:
Reference:Magnetic Resonance Imaging: Physical Principles and Sequence Design, 2nd Edition Robert W. Brown, Y.-C. Norman Cheng, E. Mark Haacke, Michael R. Thompson, Ramesh Venkatesan, ISBN: 978-0-471-72085-0, Jun 2014, Wiley-Blackwell
Choice A:The change in T1 relaxation time.
Choice B:The change in the phase of the measured signal.
Choice C:The change in chemical shift of the signal.
Choice D:Adding flow compensation gradients to the pulse sequence.
Question 4: The Agatston Score is used to:
Reference:Quantification of coronary artery calcium using ultrafast computed tomography Arthur S. Agatston, et. al. Journal of the American College of Cardiology Volume 15, Issue 4, March 1990
Choice A:Quantify the degree of stenosis of a coronary vessel in coronary CTA.
Choice B:Quantify the amount of lipid in a coronary lesion observed on coronary CTA.
Choice C:Count the calories in one day on the South Beach Diet.
Choice D:Quantify the amount of calcium found in the coronary arteries.
Question 5: For 50% of patients, the radiation dose for a modern “low dose” CT function study obtaining images over the entire cardiac cycle is less than:
Reference:Submillisievert Median Radiation Dose for Coronary Angiography with a Second-Generation 320–Detector Row CT Scanner in 107 Consecutive Patients. Marcus Y. Chen, MD, Sujata M. Shanbhag, MD, and Andrew E. Arai, MD, Radiology 267: (2013), PMID: 23340461
Choice A:10 mSv
Choice B:5 mSv
Choice C:2 mSv
Choice D:1 mSv
Choice E:0.5 mSv
Question 6: What imaging modalities are typically used for measuring normal and pathogenic processes in neurodegenerative diseases? Choose two of the following
Reference:Jack, C. R., Jr., et al. (2013). "Tracking pathophysiological processes in Alzheimer's disease: an updated hypothetical model of dynamic biomarkers." Lancet neurology 12(2): 207-216.
Choice A:CT
Choice B:PET
Choice C:MRI
Choice D:SPECT
Choice E:X-ray
Choice F:B and C.
Question 7: Which pathology is observed earliest in Alzheimer’s disease?
Reference:Jack, C. R., Jr., et al. (2013). "Tracking pathophysiological processes in Alzheimer's disease: an updated hypothetical model of dynamic biomarkers." Lancet neurology 12(2): 207-216.
Choice A:Neurofibrillary Tangles
Choice B:Amyloid Plaques
Choice C:Neurodegeneration
Choice D:Hippocampal Sclerosis
Choice E:Lewy Bodies
Question 8: Which scan does not provide direct information about cerebrovascular disease?
Reference:Wardlaw, J. M., et al. (2013). "Neuroimaging standards for research into small vessel disease and its contribution to ageing and neurodegeneration." Lancet neurology 12(8): 822-838.
Choice A:FLAIR MRI.
Choice B:T2* GRE MRI.
Choice C:Diffusion Tensor Imaging.
Choice D:Tau-PET.
Question 9: Which pathology is found in majority of Alzheimer’s disease patients?
Reference:Schneider, J. A., et al. (2009). "The neuropathology of probable Alzheimer disease and mild cognitive impairment." Ann Neurol66(2): 200-208.
Choice A:TDP-43
Choice B:Cerebrovascular pathology
Choice C:Hippocampal Sclerosis
Choice D:Lewy Bodies
Question 10: The region of core or unsalvageable tissue in ischemic stroke is characterized by the following combination of findings in perfusion CT:
Reference:Wintermark M, Flanders AE, Velthuis B, Meuli R, van Leeuwen M, Goldsher D, et al. Perfusion-CT assessment of infarct core and penumbra: receiver operating characteristic curve analysis in 130 patients suspected of acute hemispheric stroke. Stroke. 2006;37:979–985. doi: 10.1161/01.STR.0000209238.61459.39. Murphy BD, Fox AJ, Lee DH, Sahlas DJ, Black SE, Hogan MJ, et al. Identification of penumbra and infarct in acute ischemic stroke using computed tomography perfusion-derived blood flow and blood volume measurements. Stroke. 2006;37:1771–1777. doi: 10.1161/01. STR.0000227243.96808.53.
Choice A:Mean transit time (MTT)
Choice B:Cerebral blood volume (CBV)
Choice C:Cerebral blood flow (CBF)
Choice D:Increased MTT and CBV, and reduced CBF
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