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Utility of regular radiological follow- up on early detection of contralateral malignancy and long term outcomes in metachronous bilateral breast cancer patients

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Author(s)
Hyo Sun KimSun Hee Kang
Keimyung Author(s)
Kang, Sun Hee
Department
Dept. of Surgery (외과학)
Journal Title
Kosin Medical Journal
Issued Date
2017
Volume
32
Issue
1
Keyword
Breast cancerFollow-upMetachronous neoplasmsSurvival
Abstract
Objectives: We investigated the utility of regular radiological follow-up on the early detection of contralateral
breast cancer(CBC) and prognosis in patients with metachronous bilateral breast cancer.
Methods: Between 1983 and 2010, 49(2.1%) metachronous bilateral breast cancer patients were identified
among a total of 2,343 cases of invasive or in situ breast carcinomas. We reviewed the patients’ medical
records including age, stage, duration between the first and second breast cancer diagnosis, operation method,
recurrence, and breast cancer-specific survival.
Results: The mean ages at the first and second breast cancer diagnosis were 43.8 and 49.2 years, respectively.
The mean duration between the first and second breast cancer diagnosis was 68.9 months (range, 7-266
months). Regular radiological follow-up with annual mammography(MMG) with or without ultrasonography
was conducted in 28 patients (63.6%, Group 1), and no regular follow-up was performed in 12 patients (27.3%,
Group 2). The median follow-up duration was 150 months. In a comparative analysis, Group 1 patients
exhibited more stage 0 and stage 1 malignancies (82.1% vs. 25%, P =0.006) as second cancer and the same
or an improved stage (71.4% vs. 33.3%, P =0.042)of second cancer compared to Group 2 patients. Breast
cancer-specific survival rates between the two groups after the first cancer occurrence were higher in Group
1 patients compared to Group 2 patients, although this did not reach statistical significance.
Conclusion: Screening for CBC with regular radiological follow-up could result in early detection of CBC, less
invasive surgical procedures, and enhanced breast cancer-specific survival outcomes.
Keimyung Author(s)(Kor)
강선희
Publisher
School of Medicine
Citation
Hyo Sun Kim and Sun Hee Kang. (2017). Utility of regular radiological follow- up on early detection of contralateral malignancy and long term outcomes in metachronous bilateral breast cancer patients. Kosin Medical Journal, 32(1), 72–83. doi: 10.7180/kmj.2017.32.1.72
Type
Article
ISSN
2005-9531
DOI
10.7180/kmj.2017.32.1.72
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/32601
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Surgery (외과학)
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