Double germline mutations in APC and BRCA2 in an individual with a pancreatic tumor.

Abstract:

:We report on three brothers affected by pancreatic tumors, all due to different causes, including mutations associated with two different cancer predisposition syndromes in the same individual. In the index patient a germline mutation both in the APC and BRCA2 gene was identified while one affected brother showed the BRCA2 mutation only and another brother is supposed to have developed pancreatic cancer due to multiple non-genetic risk factors. We outline the impact of a double germline mutation in two tumor predisposition genes in one individual and proven heterogeneity of multiple cases of pancreatic tumors in one family. With the growing implementation of next generation sequence based panel testing for multiple genes involved in tumor predisposition syndromes, relevant variants in two (or more) genes will be found more frequently. This family illustrates the importance of family studies, especially when using gene panel tests.

journal_name

Fam Cancer

journal_title

Familial cancer

authors

Goehringer C,Sutter C,Kloor M,Gebert J,Slater EP,Keller M,Treiber I,Ganschow P,Kadmon M,Moog U

doi

10.1007/s10689-016-9952-y

subject

Has Abstract

pub_date

2017-04-01 00:00:00

pages

303-309

issue

2

eissn

1389-9600

issn

1573-7292

pii

10.1007/s10689-016-9952-y

journal_volume

16

pub_type

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