Benign Radiological Signs

• Size < 3 cm (93% sensitivity Mantero et al JCEM 2000;85:637)

• CT Density < 10 HU (- Contrast)

• < 37 HU ( 30 min s/p Contrast)

• MRI* Isointense with liver on T2

• Round with smooth margins

• Growth Stable or very slow

• * FN 0 %; FP 67% Burt et al JT CV Surg1994;107:584