Time (min) | Ratio | ||||||
---|---|---|---|---|---|---|---|
Caud:cer | Put:cer | Thal:cer | Brain stem:cer | ||||
35 | 5.1 | 4.6 | 1.4 | 1.3 | |||
90 | 9.0 | 7.8 | 1.3 | 1.1 | |||
110 | 8.9 | 7.6 | 1.2 | 1.1 |
Caud = caudate nucleus; cer = cerebellum; Put = putamen; Thal = thalamus.
Note that brain stem and thalamus have greater uptake than background, probably due to DAT in substantia nigra and loosely configured areas of DAT in thalamus.