Score | Uptake | Qualitative terms | Large lesion (> ~ 1 cm) | Small lesiona (≤ ~1 cm) |
---|---|---|---|---|
0 | Not visible (equal to or lower than background) | No uptake | - | - |
1 | Higher than background, but lower than that of the bone marrow | Faint uptake | Bluish | - |
2 | Similar to or higher than that of the bone marrow, but lower than that of the liver and exocrine glandsb | Mild uptake | Greenish | Bluish |
3 | Similar to or between that of the liver and exocrine glands | Moderate uptake | Yellowish | Greenish |
4 | Higher than that of the liver and exocrine glands | Intense uptake | Reddish | Yellowish |
5 | Comparable to or higher than that of the kidney | Very intense uptake | Red (large area of saturation) | Reddish |