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학술저널
저자정보
최희준 (성균관대학교) 김이삭 (삼성서울병원) Emad Alsharif (삼성서울병원) 박성민 (성균관대학교 의과대학 삼성서울병원 외과) 김재명 (성균관대학교) 류재민 (성균관대학교) 남석진 (성균관대학교) 김석원 (성균관대학교) 유종한 (삼성서울병원) 이세경 (삼성서울병원) 이정언 (삼성서울병원)
저널정보
한국유방암학회 Journal of Breast Cancer Journal of Breast Cancer Vol.21 No.4
발행연도
2018.1
수록면
433 - 441 (9page)

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Purpose: This study aimed to evaluate the effects of sentinel lymph node biopsy (SLNB) on recurrence and survival after neoadjuvant chemotherapy (NAC) in breast cancer patients with cytology-proven axillary node metastasis. Methods: We selected patients who were diagnosed with invasive breast cancer and axillary lymph node metastasis and were treated with NAC followed by curative surgery between January 2007 and December 2014. We classified patients into three groups: group A, negative sentinel lymph node (SLN) status and no further dissection; group B, negative SLN status with backup axillary lymph node dissection (ALND); and group C, no residual axillary metastasis on pathology with standard ALND. Results: The median followup time was 51 months (range, 3–122 months) and the median number of retrieved SLNs was 5 (range, 2–9). The SLN identification rate was 98.3% (234/238 patients), and the false negative rate of SLNB after NAC was 7.5%. There was no significant difference in axillary recurrence-free survival (p=0.118), diseasefree survival (DFS; p=0.578) or overall survival (OS; p=0.149) among groups A, B, and C. In the subgroup analysis of breast pathologic complete response (pCR) status, there was no significant difference in DFS (p=0.271, p=0.892) or OS (p=0.207, p=0.300) in the breast pCR and non-pCR patients. Conclusion: These results suggest that SLNB can be feasible and oncologically safe after NAC for cytology-determined axillary node metastasis patients and could help reduce arm morbidity and lymphedema by avoiding ALND in SLN-negative patients.

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