PMC3928835_01
Dilated intrahepatic and common bile duct with distal rat tailing
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F1
At endoscopic retrograde cholangiopancreatography (ERCP), the tumor of papilla of Vater was revealed and dilated intrahepatic and common bile duct with distal rat tailing was shown after dye injection [Figure 1].
Signet ring cells with intracytoplasmic mucin
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F2
On microscopic examination the, malignant epithelial cells had intracytoplasmic mucin and individually infiltrating pattern that invaded to duodenal wall [Figure 2].