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Adjuvant radiation therapy for male breast cancer: a rare indication?

Due to its rarity, there are no randomized trials investigating the outcome of adjuvant radiotherapy in MBC. This study reports on patient and tumor characteristics of 41 consecutive MBC patients treated between 1990 and 2018 and on clinical outcomes after surgical resection of tumors and adjuvant r...

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Main Authors: Forster, Tobias (Author) , Köhler, Clara (Author) , El-Shafie, Rami (Author) , Weykamp, Fabian (Author) , König, Laila (Author) , Arians, Nathalie (Author) , Adeberg, Sebastian (Author) , Michel, Laura L. (Author) , Smetanay, Katharina (Author) , Golatta, Michael (Author) , Sohn, Christof (Author) , Heil, Jörg (Author) , Schneeweiss, Andreas (Author) , Debus, Jürgen (Author) , Hörner-Rieber, Juliane (Author)
Format: Article (Journal)
Language:English
Published: 4 December 2020
In: Cancers
Year: 2020, Volume: 12, Issue: 12, Pages: 1-12
ISSN:2072-6694
DOI:10.3390/cancers12123645
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/cancers12123645
Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/2072-6694/12/12/3645
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Author Notes:Tobias Forster, Clara Köhler, Rami El Shafie, Fabian Weykamp, Laila König, Nathalie Arians, Sebastian Adeberg, Laura Michel, Katharina Smetanay, Michael Golatta, Christof Sohn, Jörg Heil, Andreas Schneeweiss, Jürgen Debus and Juliane Hörner-Rieber
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Summary:Due to its rarity, there are no randomized trials investigating the outcome of adjuvant radiotherapy in MBC. This study reports on patient and tumor characteristics of 41 consecutive MBC patients treated between 1990 and 2018 and on clinical outcomes after surgical resection of tumors and adjuvant radiotherapy of the chest wall or breast. Local control (LC), locoregional control (LRC), overall survival (OS), disease-free survival (DFS), and toxicity were evaluated. After a median follow-up of 80 months (95% CI: 14.6–213.8 months) there was only one recurrence, in a patient’s locoregional lymph nodes 17 months after start of radiotherapy, resulting in an LC rate of 100% at 5 years and a 5-year LRC rate of 97.4% (standard deviation (SD): 0.025). Five-year DFS and OS rates were 64.6% (SD: 0.085) and 57.2% (SD: 0.082), respectively. Adjuvant radiotherapy was tolerated well without high-grade (CTCAE grade > II) adverse events. After tumor resection and adjuvant radiotherapy, LC and LRC rates in MBC patients are excellent and comparable to results found for female breast cancer (FBC) patients. However, as patients are often diagnosed with locally advanced, higher-risk tumors, distant recurrences remain the major failure pattern.
Item Description:Gesehen am 03.03.2022
Physical Description:Online Resource
ISSN:2072-6694
DOI:10.3390/cancers12123645

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