Liver Questions Flashcards
Explain the most common cause of Hydatid disease
A parasite tapeworm, swallowed by sheep, cattle, freed in the duodenum reaches liver via PV
Sono appearance of Hydatid liver disease
A cystic mass with smaller daughter cysts
Describe the classic sono appearance of hemangioma
Homogenous Hyperechoic Small (<3 cm diameter) Singular/multiple May be lobulated
What causes increased echogenicity of hemangioma?
Numerous interfaces between the walls of the cavernous sinuses and blood within them
Is colour doppler helpful in diagnosing cavernous hemangioma?
No, the flow is too slow
What is the most common benign tumour of the liver?
cavernous hemangioma
What is the differential diagnosis when hemangiomas are seen? (2)
Mets from colon - LFT will be increased
HCC - Hx of cirrhosis or hepatitis
cavernous hemangioma sono appearance
Sono appearance can change with bleeding - duration and amount of hemorrhage
Patient s/s when a lesion hemorrhages? (2)
acute abdo pain
palpable mass
Why is resection of adenomas recommended? (2)
hemorrhage risks
malignant degeneration
Sono appearance of FNH
isoechoic (usually)
hyper, hypo (can be)
stellate vascular pattern
central scar
are hemangiomas symptomatic?
no
what shows no increase in LFTs
hemangiomas
adenomas
spoke wheel
FNH
what is hypervascular and sometimes symptomatic (of the benign tumours)?
adenoma
starry night appearance
acute hepatitis
bright periportal walls and hypoechoic parenchyma
hepatitis
following an acute bout of cholangitis, cholecystitis - what usually forms?
abcess
alcohol abuse and hep C account for most cases of what
cirrhosis
these are complications of what: portal hypertension ascites splenomegaly varices
cirrhosis
name the pathology: dilated portal tracts
schistoomiasis
name the pathology: multiple small absesses
candidiasis
name the pathology: immunosuppressed patient
candidiasis
2nd most commonly seen benign lesion
FNH
name the pathology:
reversible metabolic disease
steatosis
name the pathology:
broken diaphragm sign
fatty tumour
name the pathology:
aurora sign
lung parenchymal disease
name the pathology:
collection of blood following a trauma
hematoma
name the pathology:
gas producing bacteria in a collection
abscess
name the pathology:
focal mass on cirrhotic liver
HCC
the most common parasitic disease
schistosomiasis
name the pathology:
periportal hypoechoic area on fatty liver
focal sparing
name the pathology:
brightly echogenic enlarged liver
diffuse fatty infiltration
name the pathology:
nodular liver with irregular contour
cirrhosis
name the pathology:
anechoic smooth walls, posterior enhancement
simple cyst
name the pathology:
daughter cysts
hydatid disease
NASH appears as (2)
dense fatty infiltration
cirrhosis
what is the most common cause of portal hypertension
cirrhosis
what is the most common cause of a calcified liver tumour
mets
what is HCC indistinguishable from (3)
focal fat
hemangiomas
lipomas
what is a fatty tumour indistinguishable from (3)
focal fat
hemangioma
mets
glycogen storage disease indistinguishable from (1)
diffuse fatty infiltration (but different age group-neonatal)
