Liver Mass Quiz

True or false: In healthy individuals, incidental liver masses are typically malignant.

True

False

Common tumors which commonly metastasize to the liver include all of the following except

Breast cancer

Rhabdomyosarcoma

Colon cancer

Melanoma

Primary liver malignancies include all of the following except:

Fibrolamellar carcinoma

Hepatocellular carcinoma

Intrahepatic carcinoma

Kupffer carcinoma

Which of the following is not an important tumor marker for working up a liver mass?

CA 19-9

CA 125

AFP

CEA

Imaging features of hepatocellular carcinoma are:

Arterial hyperenhancement

Non-peripheral delayed phase washout

Central scar

Enhancing capsule

A liver mass is biopsied and reveals adenocarcinoma. Which of the following stains is incorrectly paired with the associated tissue of origin?

Thyroid transription factor-1 - Thyroid

ER/PR - Breast

CK-20 - Colon

CK-7 - pancreaticobiliary

Which of the following are CT features of benign hemangioma by phase

Pre-contrast: hyperattenuating

Arterial phase: Discontinuous nodular peripheral enhancement

Portal phase: Progressive centripetal enhancement

Delayed phase: irregular hyperattenuating

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