A 40-year-old woman presented with abdominal pain for 6 months. There was a history of ileal resection for a carcinoid tumor five years ago. CT scan showed a hypervascular liver mass without evidence of cirrhosis. Liver lobectomy showed a 6.0 cm tumor. Immunohistochemical staining showed that the tumor cells were HepPar 1(+), chromogranin(-) and focally synaptophysin(+).
The master list with the correct answer
• Fibrolamellar carcinoma
• Focal nodular hyperplasi
• Hepatocellular carcinoma, scirrhous variant
• Metastatic melanoma
• Metastatic neuroendocrine carcinoma
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• Appropriate diagnosis
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