American journal of surgery · 2015
Outcomes with and without axillary node dissection for node-positive lumpectomy and mastectomy patients.
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Snow Rachael, Reyna Chantal, Johns Caroline, Lee M Catherine, Sun Weihong, Fulp William J, Kiluk John V, Laronga Christine
Аннотация
BACKGROUND: American College of Surgeons Oncology Group Z0011 trial of select node-positive breast cancer patients demonstrated no survival or recurrence differences between SLN/axillary lymph node dissection (ALND) vs SLN. Our comparable node-positive lumpectomy and mastectomy populations should have similar outcomes.
METHODS: An Institutional Review Board approved, retrospective review of pathologic SLN (N1) cases was performed. Treatment, recurrence, and survival were collected. Statistics was analyzed via exact chi-square test with Monte Carlo estimation, Kaplan-Meier curves, and log-rank tests.
RESULTS: Of 528 node-positive patients, 318 patients met criteria: 28 (21.7%) lumpectomy, 32 (16.9%) mastectomy had SLN; 101 (78.2%) lumpectomy, 157 (83.0%) mastectomy had SLN + ALND. Median age was 57.5 years for SLN and 53 years for SLN + ALND (P = .003). Mean positive nodes were 1.1 for SLN and 1.47 for SLN + ALND (P = .0018). Chemotherapy use differed (SLN = 73.5%, SLN + ALND = 89.7%, P = .0032). Stage and recurrence were higher for SLN + ALND (P = .0001, P = .007). No difference in comorbidities, nodes retrieved, extracapsular extension, radiation, hormone therapy, or overall survival was observed.
CONCLUSION: In clinically node-negative breast cancer patients, ALND for N1 disease has no impact on short-term recurrence or survival.
METHODS: An Institutional Review Board approved, retrospective review of pathologic SLN (N1) cases was performed. Treatment, recurrence, and survival were collected. Statistics was analyzed via exact chi-square test with Monte Carlo estimation, Kaplan-Meier curves, and log-rank tests.
RESULTS: Of 528 node-positive patients, 318 patients met criteria: 28 (21.7%) lumpectomy, 32 (16.9%) mastectomy had SLN; 101 (78.2%) lumpectomy, 157 (83.0%) mastectomy had SLN + ALND. Median age was 57.5 years for SLN and 53 years for SLN + ALND (P = .003). Mean positive nodes were 1.1 for SLN and 1.47 for SLN + ALND (P = .0018). Chemotherapy use differed (SLN = 73.5%, SLN + ALND = 89.7%, P = .0032). Stage and recurrence were higher for SLN + ALND (P = .0001, P = .007). No difference in comorbidities, nodes retrieved, extracapsular extension, radiation, hormone therapy, or overall survival was observed.
CONCLUSION: In clinically node-negative breast cancer patients, ALND for N1 disease has no impact on short-term recurrence or survival.