Table 1. KSs.

Uptake score	Relative uptake
0	Uptake ≤ blood pool
1	Uptake > blood pool but < physiologic liver uptake
2	Uptake similar as physiologic liver uptake
3	Uptake > physiologic liver uptake but < physiologic spleen uptake
4	Uptake ≤ physiologic spleen uptake

KSs, Krenning scores.