GI Section III: Incidental Liver Lesion on CT Flashcards
1
Q
< 1cm + Low risk (Not a Drunk, IVDrug User, or someone with Cancer) =
A
No follow-up
2
Q
< 1 cm + High Risk (Drinking, Whoring,
IV Drug User, with Cancer)
A
MRI
3
Q
> 1cm + Benign features
* Sharp margins
* Density <20 HU
* Characteristic Benign Enhancement
(i.e. discontinuous)
A
No follow-up
4
Q
> 1cm + Suspicious Features
* Blurry margins
* Thick septa, nodular
or heterogeneous
* Density > 20 HU on portal venous— phase imaging
A
MRI
5
Q
< 1.5 cm + low risk =
A
No follow up
6
Q
< 1.5 cm + high risk =
A
MRI
7
Q
> 1.5 cm
A
MRI
