ArticleBreast cancer research and treatment2025
How can we optimize the surgical management of the axilla in breast cancer since the MonarchE trial?
Article in Breast cancer research and treatment, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Multidisciplinary Practical Guidance for Implementing Adjuvant CDK4/6 Inhibitors for Patients with HR-Positive, HER2-Negative Early Breast Cancer in Canada.Current oncology (Toronto, Ont.) · 2025Guideline
- Evaluating total tumor load (TTL) to predict metastasis in four or more axillary lymph nodes in HR +/HER2- breast cancer patients: the TULIP4N + study.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Article
- Omitting axillary lymph node dissection or not? A multicenter, retrospective study for breast cancer patients potentially eligible for abemaciclib since the SENOMAC trial.World journal of surgical oncology · 2026Article
- Is There a Therapeutic Benefit of Axillary Surgery in Non-Metastatic Breast Cancer? A SEER Cohort Database Study.Journal of clinical medicine · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeResults of MonarchE trial have changed adjuvant therapy for estrogen-receptor-positive (ER+), HER-2-negative breast cancer. Given the importance of the extent of nodal disease in this study, surgical management of the axilla has resurfaced as a question asked at multidisciplinary boards.
methodsUsing data from a cohort of Werkoff (JCO, 2009) in which patients underwent both sentinel lymph node(SLN) biopsy and axillary node dissection (ALND), we assessed the proportion of patients in whom the absence of ALND would have led to a lack of awareness of "high-risk" status. We evaluated the contribution of the Katz nomogram (that predict pN2/N3 stage) to guide possible indications for complementary ALND.
resultsAmong the 536 patients, 88 were excluded (ER- and/or isolated cells in SLN). Of patients with 1 or 2 SLN + (n = 352), only 7.9% were pN2/N3. When the ratio (number of SLN + /total number of SLN sampled) was less than 1, only 3.9% were pN2/N3. Patients with 1 or 2 SLN + met the ACOSOG Z0011 criteria so none would benefit from an ALND, but 7.9% of patients at high risk will not receive Abemaciclib. If we use the Katz nomogram (threshold ≤ 5%), this rate decrease at 3.3% but 116 patients will have an ALND with no benefit. With a threshold ≤ 20%, 5% patients at high risk will not receive Abemaciclib but 21 patients will have an ALND with no benefit.
conclusionThe indications for adjuvant Abemaciclib should not lead to surgical escalation in the management of the axilla.
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