Role of endoscopic ultrasound in the screening and follow-up of high-risk individuals for familial pancreatic cancer |
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Authors: | Diane Lorenzo Vinciane Rebours Fr d rique Maire Maxime Palazzo Jean-Michel Gonzalez Marie-Pierre Vullierme Alain Aubert Pascal Hammel Philippe L vy Louis de Mestier |
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Affiliation: | Pancreatology Department;INSERM;Departement of Gastroenterology;Radiology Department;Oncology Department |
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Abstract: | Managing familial pancreatic cancer(FPC) is challenging for gastroenterologists,surgeons and oncologists. High-risk individuals(HRI) for pancreatic cancer(PC)(FPC or with germline mutations) are a heterogeneous group of subjects with a theoretical lifetime cumulative risk of PC over 5%. Screening is mainly based on annual magnetic resonance imaging(MRI) and endoscopic ultrasound(EUS). The goal of screening is to identify early-stage operable cancers or high-risk precancerous lesions(pancreatic intraepithelial neoplasia or intraductal papillary mucinous neoplasms with high-grade dysplasia). In the literature, target lesions are identified in 2%-5% of HRI who undergo screening. EUS appears to provide better identification of small solid lesions(0%-46% of HRI) and chronicpancreatitis-like parenchymal changes(14%-77% of HRI), while MRI is probably the best modality to identify small cystic lesions(13%-49% of HRI). There are no specific studies in HRI on the use of contrast-enhanced harmonic EUS. EUS can also be used to obtain tissue samples. Nevertheless, there is still limited evidence on the accuracy of imaging procedures used for screening or agreement on which patients to treat. The cost-effectiveness of screening is also unclear. Certain new EUS-related techniques, such as searching for DNA abnormalities or protein markers in pancreatic fluid, appear to be promising. |
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Keywords: | Endoscopic ultrasound Familial pancreatic cancer Fine-needle aspiration Intraductal papillary mucinous neoplasm Pancreatic cancer Pancreatic intraepithelial neoplasia Pancreatic cancer screening guidelines |
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