Short- and long-term recurrence of early-stage invasive ductal carcinoma in middle-aged and old women with different treatments

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標題:	Short- and long-term recurrence of early-stage invasive ductal carcinoma in middle-aged and old women with different treatments
作者:	Kao, Yuan Wu, Ying-Jhen Hsu, Chien-Chin Lin, Hung-Jung Wang, Jhi-Joung Tian, Yu-Feng Weng, Shih-Feng Huang, Chien-Cheng
貢獻者:	Chi Mei Hospital Chang Jung Christian University Kaohsiung Medical University Kaohsiung Municipal Siao-Gang Hospital Taipei Medical University Chi Mei Hospital National Defense Medical Center Chi Mei Hospital Department of Health and Nutrition, Chia Nan University of Pharmacy & Science Kaohsiung Medical University Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Medical University Kaohsiung Medical University Kaohsiung Medical University
關鍵字:	breast-cancer
日期:	2022
上傳時間:	2023-12-11 14:05:48 (UTC+8)
出版者:	NATURE PORTFOLIO
摘要:	Most new cases and the highest mortality rates of breast cancer occur among middle-aged and old women. The recurrence rate of early-stage invasive ductal carcinoma (IDC) among women aged >= 50 years and receiving different treatments remains unclear. Therefore, this study was conducted to determine these rates. We used Surveillance, Epidemiology, and End Results (SEER) data for this nationwide population-based cohort study. All women aged >= 50 years and diagnosed with early-stage IDC between 2000 and 2015 were identified and divided into three treatment groups, namely, breast conservation therapy (BCT), mastectomy alone (MAS), and mastectomy with radiation therapy (MAS + RT). The recurrence rates of IDC among these groups were then compared. The BCT group had a lower short-term recurrence risk than the MAS and MAS + RT groups (hazard ratio [HR]: 1.00 vs. 2.90 [95% CI 1.36-2.66] vs. 2.07 [95% CI 0.97-4.44]); however, the BCT group also had a higher long-term recurrence risk than MAS and MAS + RT groups (HR 1.00 vs. 0.30 [95% CI 0.26-0.35] vs. 0.43 [95% CI 0.30-0.63]). The high long-term recurrence rate of the BCT group was especially prominent at the 10- and 15-year follow-ups. The results provide valuable evidence of the most reliable treatment strategy for this population. Further studies including more variables and validation in other countries are warranted to confirm our findings.
關聯:	SCIENTIFIC REPORTS, v.12, Article number: 4422
显示于类别:	[保健營養系(所) ] 其他研究計畫

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