case_images: PMC4706539_01
case_images: Arterial phase CT scan of a 54-year-old woman shows a high-density stent in the bile duct and a hypodense tumoral lesion in the periampullary region
case_images: 40792_2016_130_Fig1_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig1_HTML.jpg
case_images: Fig1
case_images: Computer tomography (CT) scan revealed a mass with a size of 13 mm in the ampullary region consistent with periampullary tumor (Fig. 1).
case_images: Contrast-enhanced T1-weighted MRI shows a hypointense lesion in the periampullary region near normal hyperintense pancreatic tissue
case_images: 40792_2016_130_Fig2_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig2_HTML.jpg
case_images: Fig2
case_images: T2-weighted MRI shows the hypointense tumoral lesion in the periampullary region which has a crescent-like shape
case_images: 40792_2016_130_Fig3_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig3_HTML.jpg
case_images: Fig3
case_images: MIP image of the MRCP shows significant dilatation of the intrahepatic and proximal extrahepatic bile ducts with maximum dimension of 14 mm. Note that the tumoral lesion extends to the distal part of extrahepatic bile duct
case_images: 40792_2016_130_Fig4_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig4_HTML.jpg
case_images: Fig4
case_images: In axial PET image, FDG 18 (fluorodeoxy-glucose) uptake is seen in the periampullary region
case_images: 40792_2016_130_Fig5_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig5_HTML.jpg
case_images: Fig5
case_images: Positron emission tomography (PET CT) revealed FDG (fluorodeoxy-glucose) uptake only in the periampullary region of the pancreas (Fig. 5).
case_images: a Tumor location in the common bile duct. b Tumor invasion to the duodenum (on the left) and to the pancreas (on the right)
case_images: 40792_2016_130_Fig6_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig6_HTML.jpg
case_images: Fig6
case_images: Tumor invasion to the common bile duct
case_images: 40792_2016_130_Fig7_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig7_HTML.jpg
case_images: Fig7
case_images: Photomicrographs of the resected specimen are shown in Figs. 7, 8, 9, and 10.
case_images: The presence of keratin pearls within the islets of atypical squamous cells
case_images: 40792_2016_130_Fig8_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig8_HTML.jpg
case_images: Fig8
case_images: Photomicrographs of the resected specimen are shown in Figs. 7, 8, 9, and 10.
case_images: a Tumor invasion to the muscular layer of the duodenum and b to the pancreas
case_images: 40792_2016_130_Fig9_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig9_HTML.jpg
case_images: Fig9
case_images: Photomicrographs of the resected specimen are shown in Figs. 7, 8, 9, and 10.
case_images: a Positive staining with p63 and b HMWCK
case_images: 40792_2016_130_Fig10_HTML.jpg
case_images: PMC4706539_01_40792_2016_130_Fig10_HTML.jpg
case_images: Fig10
case_images: Photomicrographs of the resected specimen are shown in Figs. 7, 8, 9, and 10.