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Portal vein thrombosis associated with hilar bile duct carcinoma and liver abscess
K Hanazaki1, S Kajikawa, N Nagai
1Second Department of Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto 390-8621, Japan. hanayan@hsp.md.shinshu-u.ac.jp
Abstract:
As most portal vein occlusion in hilar bile duct carcinoma is caused by tumor invasion to the portal vein, other mechanisms of its occlusion are very rare. We report the case of a 69-year-old man who underwent surgical resection for an advanced hilar bile duct carcinoma associated with unusual portal vein occlusion. Preoperative diagnosis was advanced hilar bile duct carcinoma with liver abscess and right portal vein occlusion due to tumor invasion. Extended right hepatectomy combined with resection of caudate lobe was performed. Intraoperatively, tumor invasion to the portal vein was not evident and resected margin of the right portal vein showed thrombosis and no evidence of malignancy histologically. To our knowledge, this is the first reported case of a patient with a combination of portal vein thrombosis and liver abscess in hilar bile duct carcinoma. Although portal vein occlusion due to thrombosis is an unusual complication in hilar bile duct carcinoma, the presence of liver abscess may be a useful diagnostic implication of this occlusion.
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