FIGURES AND TABLES

FIGURE 1.

Tubular adenoma with mild dysplasia abutting on the surface of the mucosa of the Vater's papilla.

FIGURE 2.

Ductal adenocarcinoma of the ampulla showing poorly differentiated features.

FIGURE 3.

Epithelium lining the intrapancreatic segment of the choledochus with dysplasia evolving into intraductal adenocarcinoma with papillary pattern.

FIGURE 4.

Islet cell microadenomatosis in the pancreatic tissue surrounding the bile duct as depicted by chromogranin A immunostaining. The majority of cells in these lesions were immunoreactive for pancreatic polypeptide.

TABLE 1 - Literature Survey of Ampullary/Periampullary Adenocarcinomas Associated with Neurofibromatosis Type 1.