Hepatocellular Carcinoma with Extensive Intratumoral Peliotic Change. A case report.

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  • MORIOKA Daisuke
    Second Department of Surgery, Yokohama City University, School of Medicine
  • TANAKA Kuniya
    Second Department of Surgery, Yokohama City University, School of Medicine
  • TOGO Shinji
    Second Department of Surgery, Yokohama City University, School of Medicine
  • SHIMADA Hiroshi
    Second Department of Surgery, Yokohama City University, School of Medicine

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  • 広汎なｐｅｌｉｏｓｉｓ　ｈｅｐａｔｉｓ様変化を伴った肝細胞癌の１例

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Abstract

A case of hepatocellular carcinoma with extensive peliotic change is reported. The patient was a 73-year-old man with a diagnosis of hepatic tumor as the probable cause of his right hypochondralgia. The most of the tumor showed a slight ring enhancement and a small part disclosed early enhancement on dynamic CT and angiography, which highly suggested a combined type of cholangiocellular carcinoma. Therefore, a partial hepatectomy was carried out. Histologically, the tumor was diagnosed as HCC with a remarkable dilated sinusoid-like structure simulating peliosis hepatis, (peliotic change). Generally peliotic changes in HCC show vascular pooling on dynamic CT and angiography, but in this case, the greater part of the peliotic change was organized and exhibited a hypovascular appearance, and resulted in misdiagnosis.

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