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KMID : 1143920180220030287
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Annals of Hepato-Biliary-Pancreatic Surgery
2018 Volume.22 No. 3 p.287 ~ p.291
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Adrenal metastasis in sequentially developed combined hepatocellular carcinoma-cholangiocarcinoma: A case report
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Nugroho Adianto
Lee Kwang-Woong
Lee Kyung-Bun
Kim Hyo-Shin
Kim Hye-Young
Yi Nam-Joon
Suh Kyung-Suk
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Abstract
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The incidence of combined hepatocellular carcinoma-cholangiocarcinoma (cHCC-CC) in a single patient accounts for only 0.4 to 14% of all primary liver cancer. However, the prognosis of its intrahepatic cholangiocarcinoma (ICC) component is poor. We experienced a unique case of a sequentially developed cHCC-CC with adrenal metastasis as the primary presentation and a hidden primary hepatocellular carcinoma. A 65-year-old female with a history of jaundice and abdominal discomfort was diagnosed with S4 ICC measuring 5 cm in diameter, and characterized histologically as papillary adenocarcinoma with intraductal growth, but without any evidence of malignant hepatocyte. S4 segmentectomy with hepaticojejunostomy revealed no additional masses. A follow-up CT scan 3 months after surgery showed a right adrenal mass with markedly increased serum AFP (4950 ng/mL), which was treated with right adrenalectomy. Histopathology revealed a metastatic hepatocellular carcinoma testing positive for AFP, glypican-3, and hepatocytes, but negative for CD-10, inhibin-α, EMA, S-100, and cytokeratin-7. Serum AFP level immediately plummeted to 4.1 ng/mL upon adrenal mass removal. A recurrent S7 liver mass was suspected 1 year later with serum AFP value of 7.6 ng/mL, and characteristic CT imaging of HCC. TACE was performed with good response. Adrenal metastasis may manifest as the primary focus of hepatocellular carcinoma in sequentially developed cHCC-CC patients with hidden primary HCC. cHCC-CC should be considered in the differential diagnosis of cholangiocarcinoma with elevated AFP.
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KEYWORD
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Adrenal metastasis, Combined hepatocellular-cholangiocarcinoma, Extrahepatic-recurrence
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