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Implementation of Choosing Wisely® Recommendations for Lymph Node Surgery in Male Breast Cancer
Catherine G Pratt1, Jenna N Whitrock2, Michela M Carter2
1Cincinnati Research in Outcomes and Safety in Surgery (CROSS) Research Group, Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA. prattcg@ucmail.uc.edu.
Background:
The Choosing Wisely® (CW) campaign recommended de-implementation of surgical management of axillary nodes in specified patients. This study aimed to assess trends in the application of CW guidelines for lymph node (LN) surgery in males with breast cancer.
Methods:
The National Cancer Database was queried for males diagnosed with breast cancer from 2017 to 2020. Patients were categorized into two cohorts based on CW criteria. Cohort 1 included all T1-2, clinically node-negative patients who underwent breast-conserving therapy and with ≤ 2 positive nodes, and Cohort 2 included all T1-2, node-negative, hormone receptor-positive, human epidermal growth factor receptor 2 (HER2)-negative patients aged ≥ 70 years. In Cohort 1, patients who underwent sentinel LN biopsy (SLNB) alone were compared with axillary LN dissection (ALND) or no LN surgery, while in Cohort 2, patients who underwent LN surgery were compared with those with no LN surgery.
Results:
Of 617 patients who met the criteria for Cohort 1, 73.1% underwent SLNB alone compared with ALND (11.8%) or no LN surgery (15.1%). Those who received SLNB alone were younger (65 vs. 68 vs. 73 years; p < 0.001). The annual proportion of males who underwent SLNB alone remained stable from 2017 to 2020. Overall, 1565 patients met the criteria for Cohort 2, and 84.9% received LN surgery. LN surgery was omitted in older patients (81 vs. 77; p < 0.001). The proportion of elderly males with early-stage breast cancer who underwent LN surgery increased from 2017 to 2020.
Conclusion:
This study demonstrates that CW recommendations are not being routinely applied to males. These findings reinforce the need for additional studies and subsequent recommendations for optimal application of axillary surgery de-implementation for males diagnosed with breast cancer.
