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美国卫生研究院文献>Hepatology International
>Combined hepatocellular and cholangiocarcinoma with sarcomatoid transformation: radiologic–pathologic correlation of a case
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Combined hepatocellular and cholangiocarcinoma with sarcomatoid transformation: radiologic–pathologic correlation of a case
A 71-year-old man presented to our hospital with 3-week history of fever in the background of loss of both weight and appetite over the past 3 months. He was found to have a large 10-cm mass in the right lobe of the liver on a triple-phase computed tomographic scan. The tumor showed a distinct fatty component, with areas of arterial enhancement and venous washout suggestive of hepatocellular carcinoma (HCC), another component showing progressive and late enhancement suggestive of cholangiocarcinoma (CC), and a third component showing persistent hypoenhancement relative to the liver parenchyma. He underwent surgical resection. This was histopathologically a biphasic tumor composed of areas showing hepatocytic differentiation, in contiguity with areas showing infiltrative glands set within fibrous stroma in keeping with combined hepatocellular and cholangiocarcinoma (cHCC-CC). A third component of pleomorphic spindle and epithelioid appearance in keeping with sarcomatous transformation was also found intimately related to the CC component. The patient developed extensive thoracic and abdominal metastases 2 months after surgery and died shortly after.
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