EDITOR'S QUIZ: GI SNAPSHOT
EDITORS QUIZ: GI SNAPSHOT
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From question on page 1409
At this point, the diagnosis of intraductal polypoid lesion was suspected, and the patient underwent common bile duct exploration that revealed a polypoid tumour protruding from the left hepatic duct (LHD). A left liver resection combined with en bloc resection of the extrahepatic biliary tree was performed. The resected specimen contained a solitary polypoid tumour (12x12x48 mm in size) originating from the LHD, spreading into the lumen and protruding into the main hepatic duct (fig 1
). Tumour histology revealed mixed patterns of both cholangiocellular and hepatocellular carcinoma of the LHD without any extension beyond the subserosal layer. Additionally, immunohistochemical examination was positive for cholangiocarcinoma markers within the cholangiocellular component. Liver histology showed features of major cholestasis but no cirrhosis. Thus, the diagnosis of intraductal mixed hepatocellular-cholangiocarcinoma (MHC) was established (fig 2
,3).
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Figure 1 Macroscopic appearance of the polypoid tumour originating from | |||||||||
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