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Randomized Controlled Trial
. 2010 Sep;252(3):426-32; discussion 432-3.
doi: 10.1097/SLA.0b013e3181f08f32.

Locoregional recurrence after sentinel lymph node dissection with or without axillary dissection in patients with sentinel lymph node metastases: the American College of Surgeons Oncology Group Z0011 randomized trial

Armando E Giuliano  1 , Linda McCall, Peter Beitsch, Pat W Whitworth, Peter Blumencranz, A Marilyn Leitch, Sukamal Saha, Kelly K Hunt, Monica Morrow, Karla Ballman
Affiliations
Randomized Controlled Trial

Locoregional recurrence after sentinel lymph node dissection with or without axillary dissection in patients with sentinel lymph node metastases: the American College of Surgeons Oncology Group Z0011 randomized trial

Armando E Giuliano et al. Ann Surg. 2010 Sep.

Abstract

Background and objective: Sentinel lymph node dissection (SLND) has eliminated the need for axillary dissection (ALND) in patients whose sentinel node (SN) is tumor-free. However, completion ALND for patients with tumor-involved SNs remains the standard to achieve locoregional control. Few studies have examined the outcome of patients who do not undergo ALND for positive SNs. We now report local and regional recurrence information from the American College of Surgeons Oncology Group Z0011 trial.

Methods: American College of Surgeons Oncology Group Z0011 was a prospective trial examining survival of patients with SN metastases detected by standard H and E, who were randomized to undergo ALND after SLND versus SLND alone without specific axillary treatment. Locoregional recurrence was evaluated.

Results: There were 446 patients randomized to SLND alone and 445 to SLND + ALND. Patients in the 2 groups were similar with respect to age, Bloom-Richardson score, estrogen receptor status, use of adjuvant systemic therapy, tumor type, T stage, and tumor size. Patients randomized to SLND + ALND had a median of 17 axillary nodes removed compared with a median of only 2 SN removed with SLND alone (P < 0.001). ALND also removed more positive lymph nodes (P < 0.001). At a median follow-up time of 6.3 years, there were no statistically significant differences in local recurrence (P = 0.11) or regional recurrence (P = 0.45) between the 2 groups.

Conclusions: Despite the potential for residual axillary disease after SLND, SLND without ALND can offer excellent regional control and may be reasonable management for selected patients with early-stage breast cancer treated with breast-conserving therapy and adjuvant systemic therapy.

Trial registration: ClinicalTrials.gov NCT00003855.

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Figures

Figure 1
Figure 1
Study design showing randomization process
Figure 2
Figure 2
Definition of the study sample depicting total number of randomized patients, number of patients in intent-to-treat sample, and number of patients in treatment received sample
See this image and copyright information in PMC

Comment in

References

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