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Breast cancer characteristics and surgery among women with Li-Fraumeni syndrome in Germany: a retrospective cohort study

Background Women with Li-Fraumeni syndrome (LFS) have elevated breast cancer (BC) risk. Optimal BC treatment strategies in this population are yet unknown. Methods BC subtypes and treatment were retrospectively investigated between December 2016 and January 2019 in a multicentre study. BC risks were...

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Main Authors: Rippinger, Nathalie (Author) , Fischer, Christine (Author) , Sinn, Peter (Author) , Dikow, Nicola (Author) , Sutter, Christian (Author) , Rhiem, Kerstin E. M. (Author) , Grill, Sabine (Author) , Cremer, Friedrich Walter (Author) , Nguyen, Huu P. (Author) , Ditsch, Nina (Author) , Kast, Karin (Author) , Hettmer, Simone (Author) , Kratz, Christian Peter (Author) , Schott, Sarah (Author)
Format: Article (Journal)
Language:English
Published: 2021
In: Cancer medicine
Year: 2021, Volume: 10, Issue: 21, Pages: 7747-7758
ISSN:2045-7634
DOI:10.1002/cam4.4300
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1002/cam4.4300
Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/cam4.4300
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Author Notes:Nathalie Rippinger, Christine Fischer, Hans-Peter Sinn, Nicola Dikow, Christian Sutter, Kerstin Rhiem, Sabine Grill, Friedrich W. Cremer, Huu P. Nguyen, Nina Ditsch, Karin Kast, Simone Hettmer, Christian P. Kratz, Sarah Schott
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Summary:Background Women with Li-Fraumeni syndrome (LFS) have elevated breast cancer (BC) risk. Optimal BC treatment strategies in this population are yet unknown. Methods BC subtypes and treatment were retrospectively investigated between December 2016 and January 2019 in a multicentre study. BC risks were evaluated according to the type of surgery. Results Thirty-five women of our study population (35/44; 79.5%) had developed 36 breast lesions at first diagnosis at a mean age of 34 years. Those breast lesions comprised 32 invasive BCs (89%), three ductal carcinoma in situ alone (8%) and one malignant phyllodes tumour (3%). BCs were mainly high-grade (18/32), of no special type (NST; 31/32), HER2-enriched (11/32) or luminal-B-(like)-type (10/32). Affected women (n = 35) received breast-conserving surgery (BCS, n = 17) or a mastectomy (ME, n = 18) including seven women with simultaneous contralateral prophylactic mastectomy (CPM) at first diagnosis. Nineteen women suffered 20 breast or locoregional axillary lesions at second diagnosis with mean age of 36. Median time between first and second diagnosis was 57 months; median time to contra- and ipsilateral recurrence depended on surgical strategies (BCS: 46 vs. unilateral ME: 93 vs. bilateral ME > 140 months). Women with a primary treatment of solitaire therapeutic ME suffered from contralateral BC earlier compared to those with therapeutic ME and CPM (median: 93 vs. >140 months). Conclusion Aggressive BC subtypes occur among women with LFS. Surgical treatment, i.e. ME and CPM, may prolong time to a second BC diagnosis. Conclusion on long-term survival benefit is pending. Individual competing tumour risks and long-term outcomes need to be taken into consideration.
Item Description:Gesehen am 28.11.2022
Physical Description:Online Resource
ISSN:2045-7634
DOI:10.1002/cam4.4300

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