Hematological Malignancies

Score 4 & 5

• Definition: – Score 4:

moderately increased uptake > liver markedly increased uptake OR new lesion(s) likely to be lymphoma

– Score 5:

• Difference between “moderate” and “marked”: – Moderate: ≥ 130% liver uptake (measured over a large area) – Marked: 2 -3 times uptake of liver

• How:

– Visually – SUV aid when close (SUVmax v SUVmean)