Alzheimer disease on SPECT

Case contributed by Dr Carlos Eduardo Anselmi


Memory deficit

Nuclear medicine


Brain perfusion with 99mTc-ECD shows bilateral temporoparietal hypoperfusion. 

Case Discussion

Different perfusion patterns have the following probabilities of Alzheimer disease:

  • normal: 19%
  • bilateral temporoparietal hypoperfusion: 82%
  • bilateral temporoparietal hypoperfusion and other defects: 77%
  • unilateral temporoparietal hypoperfusion: 57%
  • frontal hypoperfusion: 43%
  • other large defects: 18%
  • multiple small defects: 0%
PlayAdd to Share

Case information

rID: 10896
Published: 29th Sep 2010
Last edited: 14th Sep 2015
Inclusion in quiz mode: Included

Updating… Please wait.

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.