FIGURE 1
FROM:
Role of the DPC4 Tumor Suppressor Gene in Adenocarcinoma of the Ampulla of Vater: Analysis of 140 Cases
Denis M McCarthy, Ralph H Hruban, Pedram Argani, James R Howe, Kevin C Conlon, Murray F Brennan, Marianna Zahurak, Robb E Wilentz, John L Cameron, Charles J Yeo, Scott E Kern and David S Klimstra
BACK TO ARTICLEFIGURE 1.
Infiltrating ampullary adenocarcinoma and associated adenomas with high-grade dysplasia. A, infiltrating intestinal-type ampullary adenocarcinoma with negative Dpc4 labeling and adjacent stroma showing normal Dpc4 labeling. B, infiltrating pancreaticobiliary ampullary adenocarcinoma with negative Dpc4 labeling and adjacent normal duodenal crypts. C, infiltrating colloid-type adenocarcinoma with strong Dpc4 labeling. D, adenoma with high-grade dysplasia labeling for Dpc4 (arrow) with distinct Dpc4-positive (right side) and Dpc4-negative (left side) infiltrating carcinoma.