FOCAL NODULAR HYPERPLASIA

• PNH is a benign condition with focal overgrowth of functioning liver tissue supported by fibrous stroma.
• 2^nd MC of benign tumour of liver.

CLINICAL FEATURES-

• Patients are middle aged females on OCP
• Hepatic architecture is maintained.
• Asymptomatic
• Multiple nodule present

INVESTIGATIONS-

• Ultrasound shows solid mass
• CECT (IOC) shows central stellate scarring and hypervascular lesion.
• FNH contains hepatocytes & Kupffer cells.
• Angiography- spoke wheel/ cart wheel appearance
• MRI uses liver specific contrast agents to determine hepatocellular origin of FNH-

a) Gadoetic acid- hepatocytes

b) Superparamagnetic iron oxide- Kupffer cells

TREATMENT-

• Observation
• Excision incase of uncertainity of diagnosis