| Portal vein thrombosis (invasion) |
Jan 31, 2005 |
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| Proximal cholangiocarcinoma (Klatskin tumor) visualized on EUS as a hypoechoic tumor mass inside the common bile duct, with complete invasion of the portal vein (blue arrows). The diagnosis was confirmed by EUS-guided FNA, which showed a clump of atypical cells in a background of erythrocytes and granulocytes. |
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| Splenic vein thrombosis (invasion) |
Jan 31, 2005 |
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| Pancreatic tail carcinoma visualized on EUS as a hypoechoic tumor mass, with complete invasion of the splenic vein (blue arrow) and encasement of the splenic artery. The diagnosis was confirmed by EUS-guided FNA, which showed a clump of atypical cells in a background of erythrocytes. |
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