brain PET scan

Indications

• Alzheimer's disease
  • sensitivity > specificity
  • bilateral parietal hypometabolism
• frontotemporal dementia
• Huntington's disease (pathognomonic)
• seizures
• brain neoplasm

Procedure

• also see positron emission tomograpy
• generally PET scan set to focus on gray matter
• white matter appears to have little metabolism

More general terms

• positron emission tomography (PET, PET scan)
• neuroimaging