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  • Title: Synchronously resected double primary hepatic cancers - hepatocellular carcinoma and cholangiolocellular carcinoma.
    Author: Matsuda M, Hara M, Suzuki T, Kono H, Fujii H.
    Journal: J Hepatobiliary Pancreat Surg; 2006; 13(6):571-6. PubMed ID: 17139434.
    Abstract:
    The frequency of double primary cancers in the liver is very low. All reported cases are double cancers consisting of hepatocellular carcinoma (HCC) and intrahepatic cholangiocellular carcinoma (CCC). We herein report a surgical patient who had simultaneous double cancers consisting of HCC and cholangiolocellular carcinoma (CoCC). This is the first case report of such a patient. A 70-year-old Japanese man was admitted to our hospital for further examination of two hepatic nodules. He had a history of schistosomiasis japonica, idiopathic pulmonary fibrosis, and diabetes mellitus. Laboratory data revealed that hepatitis C virus (HCV) antibody was positive and hepatic enzymes were slightly elevated. The level of prothrombin induced by vitamin K absence or antagonist II was elevated. Computed tomography depicted two tumors; one, measuring 4.0 cm in diameter, was in the medial segment and the other, 2.2 cm in diameter, was in the posterior superior segment of the liver. The larger tumor showed contrast enhancement and the smaller one showed enhancement at the tumor periphery in the hepatic arterial phase. In the portal phase, the larger tumor became less dense than the liver parenchyma, but the periphery of the smaller one showed continuous enhancement. He underwent an operation under a diagnosis of double hepatic cancers, consisting of HCC and CCC. However, microscopic examination of the resected tumors revealed that the larger tumor was moderately differentiated HCC and the smaller one was CoCC.
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