case_images: PMC5933476_01
case_images: Computed tomography scan with the yellow arrow pointing at the tumor.
case_images: fig-1.jpg
case_images: PMC5933476_01_fig-1.jpg
case_images: f1
case_images: A computed tomography scan revealed a tumor in the pancreatic head without invasion into the surrounding organs (Fig. 1).
case_images: Resection specimen with the yellow arrow pointing to the tumor in the common bile duct.
case_images: fig-2.jpg
case_images: PMC5933476_01_fig-2.jpg
case_images: f2
case_images: The surgical specimen revealed a tumor arising in the common bile duct with pancreatic involvement, and possible extension to the duodenum and into surrounding fat tissue (Fig. 2).
case_images: Poorly differentiated carcinoma of the common bile duct on hematoxylin and eosin stain x 400.
case_images: fig-3.jpg
case_images: PMC5933476_01_fig-3.jpg
case_images: f3
case_images: EBV positivity in the tumor cells (Fig. 3: hematoxylin and eosin stain x 400 and Fig. 4: EBV-encoded RNA stain x 400). Eighteen specimen lymph nodes were identified and four lymph nodes revealed carcinoma metastases with histopathological features of the primary.