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Potjer, T.P.; Schot, I.; Langer, P.; Heverhagen, J.T.; Wasser, M.N.J.M.; Slater, E.P.; ... ; Leiden Familial Pancreatic Canc Gr (2013)

Variation in Precursor Lesions of Pancreatic Cancer among High-Risk Groups

Article / Letter to editor
PURPOSE: Pancreatic ductal adenocarcinoma (PDAC) surveillance programs are currently offered to high-risk individuals aiming to detect precursor lesions or PDAC at an early stage. We assessed differences in frequency and behavior of precursor lesions and PDAC between two high-risk groups. EXPERIMENTAL DESIGN: Individuals with a p16-Leiden germline mutation (N = 116; median age 54 years) and individuals from familial pancreatic cancer (FPC) families (N = 125; median age 47 years) were offered annual surveillance by MRI and magnetic resonance cholangiopancreatography (MRCP) with or without endoscopic ultrasound (EUS) for a median surveillance period of 34 months (0-127 months) or 36 months (0-110 months), respectively. Detailed information was collected on pancreatic cystic lesions detected on MRCP and precursor lesions in surgical specimens of patients who underwent pancreatic surgery. RESULTS: Cystic lesions were more common in the FPC cohort (42% vs. 16% in p16-Leiden cohort),...Show morePURPOSE: Pancreatic ductal adenocarcinoma (PDAC) surveillance programs are currently offered to high-risk individuals aiming to detect precursor lesions or PDAC at an early stage. We assessed differences in frequency and behavior of precursor lesions and PDAC between two high-risk groups. EXPERIMENTAL DESIGN: Individuals with a p16-Leiden germline mutation (N = 116; median age 54 years) and individuals from familial pancreatic cancer (FPC) families (N = 125; median age 47 years) were offered annual surveillance by MRI and magnetic resonance cholangiopancreatography (MRCP) with or without endoscopic ultrasound (EUS) for a median surveillance period of 34 months (0-127 months) or 36 months (0-110 months), respectively. Detailed information was collected on pancreatic cystic lesions detected on MRCP and precursor lesions in surgical specimens of patients who underwent pancreatic surgery. RESULTS: Cystic lesions were more common in the FPC cohort (42% vs. 16% in p16-Leiden cohort), whereas PDAC was more common in the p16-Leiden cohort (7% vs. 0.8% in FPC cohort). Intraductal papillary mucinous neoplasm (IPMN) was a common finding in surgical specimens of FPC-individuals, and was only found in two patients of the p16-Leiden cohort. In the p16-Leiden cohort, a substantial proportion of cystic lesions showed growth or malignant transformation during follow-up, whereas in FPC individuals most cystic lesions remain stable. CONCLUSION: In p16-Leiden mutation carriers, cystic lesions have a higher malignant potential than in FPC-individuals. On the basis of these findings, a more intensive surveillance program may be considered in this high-risk group. Clin Cancer Res; 19(2); 442-9. ©2012 AACR.Show less
All authors
Potjer, T.P.; Schot, I.; Langer, P.; Heverhagen, J.T.; Wasser, M.N.J.M.; Slater, E.P.; Kloppel, U.; Morreau, H.M.; Bonsing, B.A.; Cappel, W.H.D.; Bargello, M.; Gress, T.M.; Vasen, H.F.A.; Bartsch, D.K.; Leiden Familial Pancreatic Canc Gr
Date
2013-01-15
Journal
Clinical Cancer Research
Volume
19
Issue
2
Pages
442 - 449
DOI
doi:10.1158/1078-0432.CCR-12-2730