Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes

Abstract In this study, we planned to investigate the clinical course of patients with breast cancer with oligometastatic bone disease (OMBD). The patients were grouped according to the characteristics and the sites of metastases. Group I included 928 patients without metastasis. Group II, the OMBD...

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Main Authors: Baha Zengel, Mustafa Kilic, Funda Tasli, Cenk Simsek, Murat Karatas, Ozlem Ozdemir, Demet Cavdar, Raika Durusoy, Kadir Koray Bas, Adam Uslu
Format: Article
Language:English
Published: Nature Portfolio 2021-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-99726-7
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author Baha Zengel
Mustafa Kilic
Funda Tasli
Cenk Simsek
Murat Karatas
Ozlem Ozdemir
Demet Cavdar
Raika Durusoy
Kadir Koray Bas
Adam Uslu
author_facet Baha Zengel
Mustafa Kilic
Funda Tasli
Cenk Simsek
Murat Karatas
Ozlem Ozdemir
Demet Cavdar
Raika Durusoy
Kadir Koray Bas
Adam Uslu
author_sort Baha Zengel
collection DOAJ
description Abstract In this study, we planned to investigate the clinical course of patients with breast cancer with oligometastatic bone disease (OMBD). The patients were grouped according to the characteristics and the sites of metastases. Group I included 928 patients without metastasis. Group II, the OMBD group, included 68 patients. Group III, the widespread metastasis group, comprised 185 patients with multiple bone metastases and/or solid organ metastases. The mean overall survival of the groups was 16.7 ± 0.3 years in group 1, and 7.8 ± 0.8 and 5.9 ± 0.4 years in groups 2 and 3, respectively (p < 0.001 for the comparison of all three groups together; p < 0.001 for group 1 vs. 2 and 3) and (p = 0.037 for group 2 vs. group 3). In the subgroup survival analysis of patients in group 2 (OMBD), the mean and median survival was 5.5 ± 0.8 and 4.0 ± 0.8 years vs. 9.2 ± 0.98 and 9.0 ± 1.05 years in patients with more than one bone metastasis and single bone metastasis, respectively (p = 0.019). OMBD seems to be a different disease than breast cancer with isolated bone metastases. The high risk of developing OMBD, especially following locoregional recurrence, increases the importance of locoregional therapy in large T and N stage tumors.
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spelling doaj.art-b6c8461397374162ade8005d10afb2f92022-12-21T20:09:14ZengNature PortfolioScientific Reports2045-23222021-10-0111111210.1038/s41598-021-99726-7Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomesBaha Zengel0Mustafa Kilic1Funda Tasli2Cenk Simsek3Murat Karatas4Ozlem Ozdemir5Demet Cavdar6Raika Durusoy7Kadir Koray Bas8Adam Uslu9Department of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of Pathology, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of Medical Oncology, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of Pathology, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of Public Health, Medical Faculty, Ege UniversityDepartment of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyDepartment of General Surgery, Izmir Bozyaka Health Practice and Research Center, University of Health Sciences TurkeyAbstract In this study, we planned to investigate the clinical course of patients with breast cancer with oligometastatic bone disease (OMBD). The patients were grouped according to the characteristics and the sites of metastases. Group I included 928 patients without metastasis. Group II, the OMBD group, included 68 patients. Group III, the widespread metastasis group, comprised 185 patients with multiple bone metastases and/or solid organ metastases. The mean overall survival of the groups was 16.7 ± 0.3 years in group 1, and 7.8 ± 0.8 and 5.9 ± 0.4 years in groups 2 and 3, respectively (p < 0.001 for the comparison of all three groups together; p < 0.001 for group 1 vs. 2 and 3) and (p = 0.037 for group 2 vs. group 3). In the subgroup survival analysis of patients in group 2 (OMBD), the mean and median survival was 5.5 ± 0.8 and 4.0 ± 0.8 years vs. 9.2 ± 0.98 and 9.0 ± 1.05 years in patients with more than one bone metastasis and single bone metastasis, respectively (p = 0.019). OMBD seems to be a different disease than breast cancer with isolated bone metastases. The high risk of developing OMBD, especially following locoregional recurrence, increases the importance of locoregional therapy in large T and N stage tumors.https://doi.org/10.1038/s41598-021-99726-7
spellingShingle Baha Zengel
Mustafa Kilic
Funda Tasli
Cenk Simsek
Murat Karatas
Ozlem Ozdemir
Demet Cavdar
Raika Durusoy
Kadir Koray Bas
Adam Uslu
Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
Scientific Reports
title Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
title_full Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
title_fullStr Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
title_full_unstemmed Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
title_short Breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
title_sort breast cancer patients with isolated bone metastases and oligometastatic bone disease show different survival outcomes
url https://doi.org/10.1038/s41598-021-99726-7
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