Endoscopic Ultrasound Atlas
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Pancreas / Bile ducts

Pancreatic head carcinoma Aug 30, 2005
Pancreatic head tumor mass of approximately 30 mm diameter, with collateral circulation visualized in power Doppler mode. A small lymph node (5 mm) was visible near the tumor mass. Portal vein was also evident posterior to the pancreatic head. Diagnosis was confirmed by EUS-guided FNA biopsy; the cytology smears showed clumps of atypical cells, with hypertrophic and pleomorphic nuclei, with a few erythrocytes in the background (Papanicolau smear).
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Pancreatic body carcinoma Feb 5, 2005
Large pancreatic body tumor, of approximately 5 cm diameter, visualized with the ultrasound endoscope positioned in the gastric body. Diagnosis was confirmed by EUS-guided FNA biopsy; the cytology smears showed disseminated atypical cells, in a background of erythrocytes, granulocytes and macrophages (upper right).Subsequently, celiac plexus neurolysis was performed.
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Advanced hilar cholangiocarcinoma Feb 5, 2005
Proximal cholangiocarcinoma (Klatskin tumor) visualized on EUS as a hypoechoic tumor mass inside the common bile duct, with complete invasion of the portal vein. The diagnosis was confirmed by EUS-guided FNA, which showed a clump of atypical cells in a background of erythrocytes.
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