Table of contents
Expand All Topics
Focal nodular hyperplasia
Guidelines
Key sources
The following summarized guidelines for the evaluation and management of focal nodular hyperplasia are prepared by our editorial team based on guidelines from the European Association for the Study of the Liver (EASL 2023,2016), the American College of Radiology (ACR 2020), the European Federation of Societies for Ultrasound (EFSU 2020), and the American College of Gastroenterology (ACG 2016,2014).
1
2
3
4
5
6
7
Diagnostic investigations
Contrast-enhanced ultrasound
As per ACR 2020 guidelines:
Obtain contrast-enhanced abdominal ultrasound of an indeterminate > 1 cm liver lesion on initial ultrasound in patients with a normal liver with no suspicion or evidence of extrahepatic malignancy or underlying liver disease.
B
Obtain contrast-enhanced abdominal ultrasound of an incidental liver lesion > 1 cm on initial ultrasound, non-contrast or single-phase CT, or non-contrast MRI in patients with known chronic liver disease.
B
More topics in this section
Cross-sectional imaging
Diagnostic procedures
Medical management
Specific circumstances
Pregnant patients
As per EASL 2023 guidelines:
Advise female patients with FNH that pregnancy is not contraindicated and vaginal delivery is not associated with increased risks.
B
Do not obtain routine imaging to monitor FNH during pregnancy.
D
More topics in this section
Patients with HHT
Patients on oral contraceptives