Benign Liver Lesions

Question 1

Telangiectatic FNH

Answer 1

Uncommon form

Hypertrophied media instead of intima

Drain into sinusoids - not like classical

Persistence of enhancement

Lack of central scar

Hyperintense in T1 and t2

Question 2

Infantile hemangioendothelioma

Answer 2

Less than 6 months most common hepatic tumor

Multiple usually

Enhancement as in adult

But hemorrhage, fibrosis and calcification common..can cause hemoperitoneum, thrombocytopenia, chf

Usually spontaneously resolve

Question 3

Mesenchymal hamartoma

Answer 3

Cystic (cystic predominance) or solid with multiple cysts (mesenchymal predominance)

Less than 3 years

Solid com can enhance

No need of surgery