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Korean Journal of Clinical Oncology > Volume 7(2); 2011 > Article
ORIGINAL ARTICLE
Korean J Clin Oncol. 2011;7(2): 12-21.         doi: https://doi.org/10.14216/kjco.11014
Are there the specific prognostic factors for triplenegative subtype of early breast cancers (pT1-2N0M0)?
Ji-Young You1, Hye-yoon Lee1, Sang-uk Woo2, Kyong-hwa Park3, Eun-sook Lee1, Jeoung-won Bae1
1Department of General Surgery, Anam Hospital, Korea University, College of Medicine, 126-, Anam-dong 5-ga, Seongbuk-gu, Seoul, Korea
2Department of General Surgery, Guro Hospital, Korea University, College of Medicine, 97 Gurodong-Gil Guro-Ku, Seoul, Korea
3Division of Medical Oncology, Department of Internal Medicine, Anam Hospital, Korea University, College of Medicine, 126-, Anam-dong 5-ga, Seongbuk-gu, Seoul, Korea
T1-2 림프절 음성 삼중음성유방암의 예후인자
유지영1, 이혜윤1, 우상욱2, 박경화3, 이은숙1, 배정원1
1고려대학교 안암병원 외과
2고려대학교 구로병원 외과
3고려대학교 안암병원 내과
Corresponding Author: Jeoung-won Bae ,Tel: +82-2-920-5978, Fax: +82-2-928-1631, Email: kujwbae@korea.ac.kr
Received: September 23, 2011;  Accepted: October 20, 2011.
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ABSTRACT
Purpose Triple-negative breast cancer typically results in poorer prognoses compared to non-triple negative breast cancer, even in early stages. The initial management of triple negative breast cancer patients and detection of clear prognostic factors are therefore of great importance. We aimed to identify specific prognostic factors associated with unfavorable outcomes of triple negative breast cancer in T1-2 node-negative breast cancer. Materials and Methods We analyzed breast cancer patients without lymph node metastasis or distant metastasis who underwent curative surgery at the Anam Hospital of the Korea University Medical Center between 1995 and 2006. Among them, patients were eligible for analysis, only if the reports about hormone receptor and human epidermal growth factor receptor-2 status were available. Clinico-pathological features were reviewed by retrospective examination and comparison of medical records of triple negative breast cancer and non-triple negative breast cancer patients. Results Seventy-nine patients (22.9%) were categorized to the triple negative breast cancer group. The diseasefree survival rate of TNBC p53-positive patients was significantly lower than that of p53-negative patients (p =0.028). In multivariate analysis, young age was an independent prognostic factor for disease-free survival of the triple negative breast cancer group. High Ki-67 expression was a significant prognostic factor in univariate analysis in triple negative breast cancer, but it was not significant in multivariate analysis. Conclusion We suggest that age is an independent prognostic factor of triple negative breast cancer in T1-2 and node-negative patients and that Ki-67 could also be a prognostic factor in these patients.
Keywords: triple negative breast cancer | lymph node negative | p53 | Ki-67 | young age
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