KCI등재후보
Predicting Successful Conservative Surgery after Neoadjuvant Chemotherapy in Hormone Receptor-Positive, HER2-Negative Breast Cancer
저자
Chang Seok Ko (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Kyu Min Kim (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Jong Won Lee (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Han Shin Lee (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Sae Byul Lee (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Guiyun Sohn (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Jisun Kim (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Hee Jeong Kim (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Il Yong Chung (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Beom Seok Ko (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Byung Ho Son (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Seung Do Ahn (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Sung-Bae Kim (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Hak Hee Kim (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) ; Sei Hyun Ahn (Division of Breast Surgery, Department of Surgery, Departments of 1Radiation Oncology, 2Oncology, and 3Radiology, Asan Medical Center, University) 연구자관계분석
발행기관
학술지명
권호사항
발행연도
2018
작성언어
Korean
주제어
등재정보
KCI등재후보
자료형태
학술저널
수록면
52-59(8쪽)
KCI 피인용횟수
0
DOI식별코드
제공처
Purpose: This study aimed to determine whether clinicopathological factors are potentially associated with successful breast-conserving surgery (BCS) after neoadjuvant chemotherapy (NAC) and develop a nomogram for predicting successful BCS candidates, focusing on those who are diagnosed with hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative tumors during the pre- NAC period. Methods: The training cohort included 239 patients with an HR-positive, HER2-negative tumor (≥3 cm), and all of these patients had received NAC. Patients were excluded if they met any of the following criteria: diffuse, suspicious, malignant microcalcification (extent >4 cm); multicentric or multifocal breast cancer; inflammatory breast cancer; distant metastases at the time of diagnosis; excisional biopsy prior to NAC; and bilateral breast cancer. Multivariate logistic regression analysis was conducted to evaluate the possible predictors of BCS eligibility after NAC, and the regression model was used to develop the predicting nomogram. This nomogram was built using the training cohort (n=239) and was later validated with an independent validation cohort (n=123). Results: Small tumor size (p<0.001) at initial diagnosis, long distance from the nipple (p=0.002), high body mass index (p=0.001), and weak positivity for progesterone receptor (p=0.037) were found to be four independent predictors of an increased probability of BCS after NAC; further, these variables were used as covariates in developing the nomogram. For the training and validation cohorts, the areas under the receiver operating characteristic curve were 0.833 and 0.786, respectively; these values demonstrate the potential predictive power of this nomogram. Conclusion: This study established a new nomogram to predict successful BCS in patients with HR-positive, HER2-negative breast cancer. Given that chemotherapy is an option with unreliable outcomes for this subtype, this nomogram may be used to select patients for NAC followed by successful BCS.
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