Oncologic outcomes for different axillary staging techniques in patients with nodal-positive breast cancer undergoing neoadjuvant systematic treatment: a cancer registry study

BACKGROUND: Targeted approaches such as targeted axillary dissection (TAD) or sentinel lymph node biopsy (SLNB) showed false-negative rates of < 10% compared with axillary lymph node dissection (ALND) in patients with nodal-positive breast cancer undergoing neoadjuvant systemic treatment (NAST)....

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Hauptverfasser: Pfob, André (VerfasserIn) , Kokh, Daria B. (VerfasserIn) , Surovtsova, Irina (VerfasserIn) , Riedel, Fabian (VerfasserIn) , Morakis, Philipp (VerfasserIn) , Heil, Jörg (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 6 May 2024
In: Annals of surgical oncology
Year: 2024, Jahrgang: 31, Heft: 7, Pages: 4381-4392
ISSN:1534-4681
DOI:10.1245/s10434-024-15292-y
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1245/s10434-024-15292-y
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Verfasserangaben:André Pfob, MD, Daria B. Kokh, PhD, Irina Surovtsova, PhD, Fabian Riedel, MD, Philipp Morakis, MD, and Joerg Heil, MD

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520 |a BACKGROUND: Targeted approaches such as targeted axillary dissection (TAD) or sentinel lymph node biopsy (SLNB) showed false-negative rates of < 10% compared with axillary lymph node dissection (ALND) in patients with nodal-positive breast cancer undergoing neoadjuvant systemic treatment (NAST). We aimed to evaluate real-world oncologic outcomes for different axillary staging techniques. - METHODS: We identified nodal-positive breast cancer patients undergoing NAST from 2016 to 2021 from the state cancer registry of Baden-Wuerttemberg, Germany. Invasive disease-free survival (iDFS) was assessed using Kaplan-Meier statistics and multivariate Cox regression models (adjusted for age, ypN stage, ypT stage, and tumor biologic subtype). - RESULTS: A total of 2698 patients with a median follow-up of 24.7 months were identified: 2204 underwent ALND, 460 underwent SLNB (255 with ≥ 3 sentinel lymph nodes [SLNs] removed, 205 with 1-2 SLNs removed), and 34 underwent TAD. iDFS 3 years after surgery was 69.7% (ALND), 76.6% (SLNB with ≥ 3 SLNs removed), 76.7% (SLNB with < 3 SLNs removed), and 78.7% (TAD). Multivariate Cox regression analysis showed no significant influence of different axillary staging techniques on iDFS (hazard ratio [HR] for SLNB with < 3 SLNs removed 0.96, 95% confidence interval [CI] 0.62-1.50; HR for SLNB with ≥ 3 SLNs removed 0.86, 95% CI 0.56-1.3; HR for TAD 0.23, 95% CI 0.03-1.64; ALND reference), and for ypN+ (HR 1.92, 95% CI 1.49-2.49), triple-negative breast cancer (HR 2.35, 95% CI 1.80-3.06), and ypT3-4 (HR 2.93, 95% CI 2.02-4.24). - CONCLUSION: These real-world data provide evidence that patient selection for de-escalated axillary surgery for patients with nodal-positive breast cancer undergoing NAST was successfully adopted and no early alarm signals of iDFS detriment were detected. 
650 4 |a Adult 
650 4 |a Aged 
650 4 |a Axilla 
650 4 |a Axillary staging 
650 4 |a Breast cancer 
650 4 |a Breast Neoplasms 
650 4 |a Cancer registry 
650 4 |a Female 
650 4 |a Follow-Up Studies 
650 4 |a Humans 
650 4 |a Lymph Node Excision 
650 4 |a Lymph Nodes 
650 4 |a Lymphatic Metastasis 
650 4 |a Middle Aged 
650 4 |a Neoadjuvant Therapy 
650 4 |a Neoplasm Staging 
650 4 |a Nodal positive 
650 4 |a Prognosis 
650 4 |a Registries 
650 4 |a Sentinel Lymph Node Biopsy 
650 4 |a Survival Rate 
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