Which findings on arteriography are characteristic of hepatocellular adenoma (HCA)?

Updated: Feb 21, 2018
  • Author: Bradford A Whitmer, DO; Chief Editor: BS Anand, MD  more...
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Answer

This imaging modality is rarely performed and has been substituted by CT or MR angiography in most centers. Hepatocellular adenomas appear as well-defined, round or ovoid, hypervascular masses with hepatic arterial branches entering from the periphery. Vessels within the mass are tortuous and of varying calibers with flow moving centrally from the periphery. Avascular areas and intralesional hematomas are indicators of hepatocellular adenomas.


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