Challenge #42 (part 2)
Look and the scans below and answer the multiple choice questions.
1. Given a classic PET FDG finding for Alzheimer’s disease what is its sensitivity and specificity versus normal controls?
a) Sensitivity 80-90%, specificity 80-90%
b) Sensitivity > 90%, specificity 80-90%
c) Sensitivity 80-90%, specificity >90%
d) Sensitivity >90%, specificity >90%
2. In distinguishing Alzheimer’s disease versus Dementia with Lewy Bodies and Frontotemporal dementia, FDG PET suffers from:
a) Low sensitivity
b) Low specificity
c) Low sensitivity and low specificity
d) Radiation exposure
e) None of the above
*Mosconi et al. J Nuc Med 2008: 49: 390-398, Multicenter Trial
Be sure to submit your answers for a chance to win a special prize!
