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!

#challenge #scans #multiplechoice