Chapter 51: Liver- Focal Nodular Hyperplasia Flashcards
1
Q
What is it?
A
Benign liver tumor
2
Q
Describe the histology
A
Normal hepatocytes and bile ducts (adenoma has no bile ducts)
3
Q
What is the average age of occurrence?
A
≈40 years
4
Q
What are the associated risk factors?
A
Female gender
5
Q
Are the tumors associated with birth control pills?
A
Yes, but not as clearly associated as with adenoma
6
Q
How is the diagnosis made?
A
- Nuclear technetium-99 study
- U/S
- CT scan
- A-gram
- biopsy
7
Q
What is the classic CT scan finding?
A
Liver mass with “central scar”
(Think: focal = central)
8
Q
Is there a cancer risk with FNH?
A
No (there is a cancer risk with adenoma)
9
Q
What is the treatment?
A
- Resection or embolization if patient is symptomatic
- otherwise, follow if diagnosis is confirmed;stop birth control pills
