02-06-2006, 12:49 PM
A 65-year-old man dies of metastatic liver cancer. The liver at autopsy shows a multinodular vascular tumor that histologically is composed of anastomosing channels lined by anaplastic endothelial cells. The liver parenchyma between tumor nodules appears normal. Which of the following risk factors is associated with this form of liver cancer?
A. Cirrhosis
B. Exposure to vinyl chloride
C. Hemochromatosis
D. Hepatitis B virus infection
E. Oral contraceptive use
A. Cirrhosis
B. Exposure to vinyl chloride
C. Hemochromatosis
D. Hepatitis B virus infection
E. Oral contraceptive use