Occult mucin-producing cholangiocarcinoma in situ - Surgical
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Mucin-producing cholangiocarcinoma (MPCC) is an uncommon tumour that is clinically characterized by mucin-hypersecretion. Because the initial symptoms of MPCC may be attributed to the viscus mucobilia, the primary tumour mass may potentially be unrecognizable.This article reports an interesting case of curatively resected occult MPCC in situ.

Case presentation:
A 70-year-old man was referred to hospital with increased levels of biliary enzymes. Multidetector-row computed tomography (MDCT) demonstrated a diffuse dilatation of the entire biliary system without evidence of tumour mass. Additionally, there were numerous variably sized cysts throughout the liver. The cyst of S4 was the largest, followed by that of S1, which connected with the right hepatic duct. Endoscopic retrograde cholangiography showed intrabiliary mucus, predominantly in the left hepatic duct, but failed to show a communication of both cysts with the bile duct. It was clinically suspected that minute MPCC was present within the S1 cyst and performed left hepatectomy, caudate lobectomy, and resection of the extrahepatic bile duct. Macroscopically, papillary adenocarcinoma in situ was present in the S1 cyst and a final diagnosis of MPCC originating from the bile duct of the caudate lobe was made...

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Dr. M●●●●●●●●●n S●●●●●●i
Dr. M●●●●●●●●●n S●●●●●●i General Surgery
An excellent depiction of unusual presentation of a cholangio carcinoma.
Sep 26, 2017Like