Unclassified hepatocellular adenoma with histological brown pigment deposition and serum PIVKA-II level elevation: a case report.

Kouki HoshinoNorifumi HarimotoRyo MuranushiKei HagiwaraTakahiro YamanakaNorihiro IshiiMariko TsukagoshiTakamichi IgarashiAkira WatanabeNorio KuboKenichiro ArakiRan TomomasaSumihito NobusawaShinichi AishimaOsamu NakashimaKen Shirabe

Published in: Surgical case reports (2020)

We present a case of unclassified hepatocellular adenoma with brown pigment deposition and elevation of serum PIVKA-II level. For the differentiation of liver tumors with high levels of PIVKA-II and hypervascular mass, hepatocellular adenoma should be considered.

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