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Published in: Virchows Archiv 1/2021

01-07-2021 | Breast Cancer | Brief Report

Malignant salivary gland tumours in families with breast cancer susceptibility

Authors: Carla B. Ripamonti, Paolo Bossi, Siranoush Manoukian, Laura Locati, Mara Colombo, Maria L. Carcangiu, Andrea Vingiani, Lisa Licitra, Paolo Radice

Published in: Virchows Archiv | Issue 1/2021

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Abstract

Salivary gland cancers (SGCs) are rare malignancies with highly heterogeneous histological features. Patients affected with SGCs are at increased risk of secondary malignancies, including breast cancer (BC). Previous studies enlightened a possible link between SGCs and hereditary predisposition to BC. Here, we searched for SGC-affected patients in 1796 high-risk BC families recruited at the Genetic Unit of the Istituto Nazionale dei Tumori of Milan, 516 of which carried pathogenic variants in BRCA1 and/or BRCA2, the main genetic risk factors for BC. We detected five families with an individual affected with SGC, including two male patients, one carrying a constitutional mutation in BRCA1 and the other in BRCA2. Loss of heterozygosity of BRCA wild-type alleles was assessed in the patients’ tumour DNA. We conclude that our observations support the hypothesis that genetic factors associated with BC susceptibility might play a role also in at least a subset of SGCs.
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Metadata
Title
Malignant salivary gland tumours in families with breast cancer susceptibility
Authors
Carla B. Ripamonti
Paolo Bossi
Siranoush Manoukian
Laura Locati
Mara Colombo
Maria L. Carcangiu
Andrea Vingiani
Lisa Licitra
Paolo Radice
Publication date
01-07-2021
Publisher
Springer Berlin Heidelberg
Published in
Virchows Archiv / Issue 1/2021
Print ISSN: 0945-6317
Electronic ISSN: 1432-2307
DOI
https://doi.org/10.1007/s00428-021-03105-6

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