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9 Cards in this Set

  • Front
  • Back
Cavernous Hemangiomas
Most common benign liver tumor
Adult women 5:1
most are small and incidental
Focal Nodular Hyperplasia
benign tumor in women in childbearing years
Masses are hyperplastic regions related to a vascular abnormalites
Solitary mass w/ a central scar
Known as stealth lesion
Hepatic Adenomas
Rare but increasing
Tumors are often asymptomatic
40% connected to glycogen storage disease
Tumors 8-15 cm
Hepatic Lipomas
Extremely rare
Assoc. with renal angiomyolipomas and tuberous sclerosis
Well defined echogenic mass
Hepatocellular Carcinoma
Very common malignant tumor worldwide
Men to women 5:1
West-alcoholism
East-hepatitis A and B
Solitary tumor, multiple nodules, or diffuse infiltration
30-60% venous invasion
Small, looks like a solid mass
Hemangiosarcoma
Extremely rare
Large mass with mixed echogenicity
Assoc. with arsenic, polyvinyl, chloride
Metastatic Disease
18-20% more common than hepatocellular carcinoma
Halo around the border of the mass, high malignancy rate
Hepatic Artery Aneurysm
80%-rupture into the peritoneum, biliary tree, GI tract, or portal vein
May see intimal flap with true and false channels
Primary dissection of the hepatic artery is rare-leads to death
Peliosis Hepatits
Rare liver disorder characterized by blood filled cavities
Rupture of the reiculin fibers
Secondary to cell injury
Nonspecific lesions with single or mult. masses of diff. echogenicity
Portal tracts in stroma of blood spaces
Difficult to diagnosis