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Intraductal Papillary Mucinous Neoplasms in Hereditary Cancer Syndromes

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BIOMEDICINES
卷 10, 期 7, 页码 -

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MDPI
DOI: 10.3390/biomedicines10071475

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intraductal papillary mucinous neoplasms; hereditary intraductal papillary mucinous neoplasms; hereditary cancer syndromes; pancreatic ductal adenocarcinoma; familial pancreatic cancer; pancreatic cancer screening

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Hereditary pancreatic cancer accounts for about 10% of pancreatic cancer diagnoses. Early detection of pre-cancerous pancreatic cysts, such as intraductal papillary mucinous cystic neoplasms (IPMNs), has become an important focus to reduce pancreatic cancer incidence and mortality. This review explores the prevalence of IPMNs in patients with hereditary pancreatic cancer and their relatives, and discusses the need for surveillance changes in high-risk individuals.
Hereditary pancreatic cancer, which includes patients with familial pancreatic cancer (FPC) and hereditary pancreatic cancer syndromes, accounts for about 10% of all pancreatic cancer diagnoses. The early detection of pre-cancerous pancreatic cysts has increasingly become a focus of interest in recent years as a potential avenue to lower pancreatic cancer incidence and mortality. Intraductal papillary mucinous cystic neoplasms (IPMNs) are recognized precursor lesions of pancreatic cancer. IPMNs have high prevalence in patients with hereditary pancreatic cancer and their relatives. While various somatic mutations have been identified in IPMNs, certain germline mutations associated with hereditary cancer syndromes have also been identified in IPMNs, suggesting a role in their formation. While the significance for the higher prevalence of IPMNs or similar germline mutations in these high-risk patients remain unclear, IPMNs do represent pre-malignant lesions that need close surveillance. This review summarizes the available literature on the incidence and prevalence of IPMNs in inherited genetic predisposition syndromes and FPC and speculates if IPMN and pancreatic cancer surveillance in these high-risk individuals needs to change.

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