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Rivista di Medicina Interna
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,6
Panminerva Medica 2000 June;42(2):151-4
Hepatocellular carcinoma in a non-cirrhotic liver. Two case reports and literature review
Leone N., Volpes R., Carrera M. *, Pellicano R., De Paolis P. *, Fiorentino M. **, Fronda G. R., Rizzetto M.
From the Department of Gastroenterology
*B Surgery Molinette Hospital, Turin, Italy
**Pathology, Addari Institute, Bologna, Italy
Hepatocellular carcinoma (HCC) is closely associated with cirrhosis, but it also develops, although much less frequently, in a non-cirrhotic liver. It is suspected that hepatocellular carcinoma has a different etiology when associated and not associated with chronic liver disease. We report two cases of patients with hepatocellular carcinoma that developed in a non-cirrhotic liver. In the first case we describe an incidental liver nodular lesion containing multiple foci of HCC including pseudogland or trabecular formation and areas of sclerosis. The non-cancerous parenchyma of the liver was histologically unremarkable except for mild fatty changes of hepatocytes and minimal dysplasia. The second case describes a combined hepatocellular carcinoma and cholangiocellular carcinoma (CCC) (mixed carcinoma) in a patient who was serologically negative for both hepatitis B and C viruses. The adjacent liver parenchyma showed mild piecemeal necrosis and mild lobular activity compatible with chronic viral hepatitis, but cirrhosis was not established. This case appears to indicate that mixed type carcinoma can develop in a non-cirrhotic liver, with CCC being far more dominant than HCC; such a finding is extremely unusual, based on previously published reports.