Radioisotopes/Tracers in PET Imaging Flashcards
1
Q
18F (FDG)
A
- Quantifies glucose uptake and phosphorylation
- Taken up by GLUTs, but not metabolized
- Half-life is 110 min.
2
Q
11C (PiB)
A
- Detects amyloid deposition
- Half-life is 20 min.
3
Q
123I (Ioflupane)
A
- Images striatal dopamine transporters
- Uses SPECT scanning
- Half-life is 13.2 hours
4
Q
15O
A
- Quantifies regional cerebral blood flow
- Half-life is 2.1 min.
