liver tumors benign or malignant

the most common benign liver tumor

cavernous hemangioma

sonographically a hemangioma usually appears as

echogenic, well defined, with posterior enhancement

cavernous hemangiomas are more common in

women, often congenital

the second most common benign liver tumor 

focal nodular hyperplasia 

focal nodular hyperplasia demonstrates which doppler finding

spoke wheel pattern

a hepatic adenoma is most often associated with 

oral contraceptive use

which feature can help distinguish hepatic adenoma from focal nodular hyperplasia

adenomas can hemorrhage, necrose, or calcify while FNH does not

what is the most common primary malignant liver tumor

hepatocellular carcinoma

what is the most common primary site for metastatic liver disease

the colon

which sonographic description best fits metastatic disease

variable

elevated AFP levels are most commonly linked to

hepatocellular carcinoma