J Korean Soc Radiol.  2015 Mar;72(3):185-188. 10.3348/jksr.2015.72.3.185.

Duodenal Mucinous Carcinoma: A Case Report

• Jee KN

• KMID: 2161171
• DOI: http://doi.org/10.3348/jksr.2015.72.3.185

Abstract

Duodenal mucinous carcinoma is exceedingly rare and a case report about duodenal mucinous carcinoma in a 61-year-old man mimicking pancreatic cystic neoplasm by radiological evaluation, endoscopy, and even surgical findings is presented.

MeSH Terms

Adenocarcinoma, Mucinous*
Endoscopy
Gastrointestinal Neoplasms
Humans
Middle Aged
Pancreatic Cyst

Figure

• 

  Fig. 1 Duodenal mucinous carcinoma with invasion of pancreas in a 61-year-old male patient. A. Contrast-enhanced CT image with coronal reformation shows a low-attenuating mass with partly irregular mucosal surface (arrowhead) in the duodenum, and dilatation of the pancreatic duct (arrow) and the bile duct (curved arrow). B. Endoscopic ultrasonography shows heterogeneous hyperechoic mass (arrows) with scattered anechoic spots. C. Axial fast imaging employing steady-state acquisition MR imaging shows a high signal-intensity cystic mass (arrow) bulging into the duodenal lumen and irregular tumor infiltration (arrowheads) around the distal common bile duct in the pancreatic head. D. MR cholangiopancreatography shows severe dilatation of the bile duct with segmental luminal narrowing (arrow) at the distal common bile duct and moderate dilatation of the main pancreatic duct (arrowhead) and branches (curved arrow) of pancreatic ducts. E. Fluorodeoxyglucose positron emission tomography-CT fusion imaging shows no increased uptake in the mass of pancreatic head (arrows). F. Photomicroscopic pathology (hematoxylin and eosin × 10, cytokeratin immunohistochemistry 7, 19, and 20) shows tumor cell infiltrations in the duodenal mucosa and mural layers with abundant extracellular mucin (arrows) and positive staining in cytokeratin 19 and 20 and negative in 7.

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