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ISSN: 2638-5945

Open Access Journal of Oncology and Medicine

Research Article(ISSN: 2638-5945)

Characteristics of Pure Familial Pancreatic Cancer Families and Those with Additional Breast Cancer

Volume 4 - Issue 1

Detlef K Bartsch1*, Elvira Matthäi1, Ioannis Mintziras1, Lutz Benedikt Böhm1, Norman Gercke1, Christian Bauer2, Jens Figiel3 and Emily P Slater1

  • Author Information Open or Close
    • 1Department of Visceral, Thoracic and Vascular Surgery
    • 2Gastroenterology and Endocrinology
    • 3Radiology, Philipps University Marburg, Germany

    *Corresponding author: Detlef K Bartsch, Philipps University of Marburg, Department of Visceral, Thoracic and Vascular Surgery, Germany

Received: August 17, 2020;   Published: September 10, 2020

DOI: 10.32474/OAJOM.2020.04.000178

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Familial pancreatic cancer (FPC) is a rare hereditary tumor syndrome. The large phenotypic and genotypic heterogeneity is not yet well-established. FPC families without (pure FPC) or with additional occurrence of breast cancer (FPC-breast) were analyzed regarding phenotype, genotype and the diagnostic yield of prospective screening for pancreatic ductal adenocarcinoma (PDAC). The total cohort of 227 FPC families included 85 (38%) pure FPC and 70 (30.7%) FPC-breast families. The proportions of affected family members with PDAC (27.2%, 197/724 vs. 18.3%, 177/962, p<0.0001) and of 2 or more affected generations (84.2% vs. 62.9%, p<0.05) were significantly higher in pure FPC families. In 48 (68.6%) FPC-breast families additional tumor types occurred, most frequently colorectal cancer (n=16, 22.8%). Deleterious germline mutations (2 BRCA2, 1 PALB2) were detected in 3 of 53 (5.6%) analyzed pure FPC and in 17 of 56 (30.4%) analyzed FPC-breast families (3 BRCA1, 6 BRCA2, 3 PALB2, 3 CDKN2A, 2 ATM; p=0.001). Individuals at risk (IAR) from FPC-breast families participated significantly more often in a prospective PDAC screening program (54.4% vs. 33.5%; p=0.0001) resulting in a diagnostic yield of 3.7% and 0% in FPC-breast and pure FPC families, respectively. The phenotypic and genotypic characteristics of pure FPC and FPC-breast families should be considered for the genetic counseling and management of these families.

Keywords: Familial Pancreatic Cancer; Mutations; Phenotype; Genotype

Abbreviations: FPC: Familial Pancreatic Cancer; PDAC: Pancreatic Ductal Adenocarcinoma; HBOC: Hereditary Breast and Ovarian Cancer; PanIN: Pancreatic Intraepithelial Neoplasia; IPMN: Intraductal Papillary Mucinous Neoplasia; AFL: Atypical Flat Lesions; IAR: Individual at Risk

Abstract| Introduction| Materials and Methods| Results| Discussion| Conclusion| Acknowledgements| Conflict of interest| References|