case_images: PMC4460232_01
case_images: Abdominal ultrasonography showing a huge heterogeneous mass.
case_images: CRIS2015-276869.001.jpg
case_images: PMC4460232_01_CRIS2015-276869.001.jpg
case_images: fig1
case_images: Dilatation of intrahepatic bile ducts and proximal common bile duct was also referred to (Figure 1).
case_images: Abdominal CT reveals a voluminous lesion in pancreatic head and body (arrow).
case_images: CRIS2015-276869.002.jpg
case_images: PMC4460232_01_CRIS2015-276869.002.jpg
case_images: fig2
case_images: A significant ectasia of the intrahepatic and extrahepatic bile ducts could also be seen (Figure 2).
case_images: Surgical specimen.
case_images: CRIS2015-276869.003.jpg
case_images: PMC4460232_01_CRIS2015-276869.003.jpg
case_images: fig3
case_images: The gross appearance of the lesion was a solid cystic mass, was encapsulated and multiloculated, and was with necrotic aspect areas, measuring a total of 11.5 cm along its longest axis (Figure 3).
case_images: Small round cells with scant cytoplasm; immunohistochemistry was positive for CD99.
case_images: CRIS2015-276869.004.jpg
case_images: PMC4460232_01_CRIS2015-276869.004.jpg
case_images: fig4
case_images: Immunohistochemistry was strongly positive for CD99 (Figure 4), vimentin, automated CKM (creatine kinase, muscle), and CD56.