Liver Cysts

Question 1

What is a liver cyst?

Answer 1

liver infection resulting in a walled off collection of cyst fluid

Question 2

What causes simple hepatic cysts?

Answer 2

congenital

Question 3

What causes of hydatid liver cysts?

Answer 3

Echinococcus granulosis (tapeworm)

Question 4

What is a hydatid?

Answer 4

Cyst containing watery fluid

Question 5

Give 2 risk factors for liver cysts

Answer 5

Underlying malignancy

DM

Question 6

Describe the epidemiology of liver cysts

Answer 6

> 40

F > M

Question 7

List 3 symptoms of large liver cysts

Answer 7

Dull RUQ abdo pain
Bloating
Early satiety.

Question 8

How do liver cysts usually present?

Answer 8

Usually asymptomatic

Question 9

What investigations may be performed for liver cysts?

Answer 9

US: Anechoic, round lesion with dorsal acoustic enhancement
CT: well-delimited lesion; no contrast enhancement

Question 10

List 4 types of hepatic cyst

Answer 10

Simple cysts.
Multiple cysts due to polycystic liver disease.
Neoplastic cysts.
Hydatid cysts.

Question 11

What causes polycystic liver disease?

Answer 11

Congenital

Usually associated with autosomal dominant PKD