Cystic Muscus-Producing Neoplasia: Intraductal Papillary Mucinous Neoplasms and Mucinous Cystic Neoplasms
Intraductal papillary mucinous neoplasms (IPMNs) and mucinous cystic neoplasms (MCNs) are pancreatic epithelial neoplasms that produce abundant extracellular mucus. Both appear cystic on radiologic imaging. Both tumors may potentially develop invasive malignancies. In addition, it is estimated that, when identified, up to 30% of such lesions may harbor concurrent invasive malignancy that will not be identified until resection. Therefore, the current dogma favors surgical resection of many of these tumors when possible.
KeywordsPancreatic Ductal Adenocarcinoma Intraductal Papillary Mucinous Neoplasm Pancreatic Cyst Acinar Cell Carcinoma Cytologic Atypia
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