College of American Pathologists

2012 — December Case of the Month

Posted December 14, 2012


CAP Foundation Online Case of the Month

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A 78-year-old woman with a history of hepatitis C and liver mass underwent a lobectomy, which was remarkable for a 12.0 cm, focally necrotic, yellow/green variegated mass. The margins of resection including diaphragm were free of tumor. The tumor was positive for HepPar-1 and α-fetoprotein (AFP) and negative for chromogranin, synaptophysin, HMB-45 and Leu-M1.

The master list with the correct answer

  • Angiomyolipoma
  • Focal nodular hyperplasia
  • Hepatocellular carcinoma
  • Metastatic renal cell carcinoma
  • Neuroendocrine tumor

Access Case Critique to view:

  • Appropriate diagnosis
  • Critique
  • References

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