Synchronous primary duodenal papillary adenocarcinoma and gallbladder carcinoma: A case report and review of literature

Figure 1 Contrast-enhanced computed tomography of the abdomen. A: Space-occupying lesion in the duodenal papilla (orange arrowheads) and dilatation of the common bile duct (blue arrowheads); B: dilatation of extrahepatic bile duct (orange arrowheads).

Figure 2 Endoscopic biopsy. Tumor protruding from the duodenal papilla.

Figure 3 Histopathological findings of endoscopic biopsy. A: Tubular villous growth. B: Moderate heterogeneous hyperplasia.

Figure 4 Macroscopic appearance of the surgical specimen. Papillary tumor (red circle) and gallbladder neck duct tumor (yellow circle) were present in the specimen.