Pancreaticendocrineneoplasms (PENs) are rare tumors, and little is known about their genetic and chromosomal alterations.
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One patient had a ductal adenocarcinoma, two presented with pancreaticendocrineneoplasms and the last one had an intraductal papillary mucinous neoplasia.
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We discuss the diagnosis of pancreatic ductal adenocarcinoma and of other pancreatic epithelioid tumors including pancreaticendocrineneoplasms, solid pseudopapillary tumors, and acinar cell carcinomas.