College of American Pathologists

2013 — August Case of the Month

Posted August 20, 2013


CAP Foundation Online Case of the Month

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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

Access Case Critique to view:

  • Appropriate diagnosis
  • Critique
  • References

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