URR 15 Flashcards
without echoes, black
anechoic
more echoes than the compared structure, brighter
hyperechoic
less echoes than the compared structure, darker
hypoechoic
same amount of echoes as the compared structure
isoechoic
also known as steatosis
fatty liver
Fatty liver is caused by _____ accumulation
triglyceride
The most common cause of steatosis is:
obesity
caused by chronic alcohol intake
alcoholic fatty liver disease
_____ is a late-stage sequela of alcoholic fatty liver disease
alcoholic hepatitis
In alcoholic fatty liver disease LFTs are ____
markedly increased
AST:ALT ratio >___ in alcoholic fatty liver disease
2
Most common chronic liver disease in Western countries
nonalcoholic fatty liver disease
Causes of nonalcoholic fatty liver disease
diabetes
obesity
tuberculosis
starvation
cystic fibrosis
steroid use
______ is a late-stage sequela of nonalcoholic fatty liver disease
nonalcoholic steatohepatitis
With nonalcoholic fatty liver disease LFTs are:
mild to moderately increased
Diffuse replacement
entire liver involved
entire liver involved EXCEPT localized area (s)
focal fatty sparing
only small portion of the liver experiences fatty infiltration
focal fatty replacement
______ examination can help in differentiating focal sparing/infiltration from mass formation
contrast ultrasound
Malignant tumor will demonstrate ____ at the tumor with contrast ultrasound
washout of contrast
Primary finding on all imaging modalities of fatty liver
normal vessel course through the fatty deposits, NO displacement
slight increase in fine echoes of liver, normal visualization of the diaphragm and vessel borders
mild diffuse infiltration
moderate increase in fine echoes of liver, impaired visualization of the diaphragm and vessel borders
moderate diffuse infiltration
marked increase in fine echoes of liver, poor or non-visualization of the diaphragm and vessel borders
severe diffuse infiltation