Factors predicting residual disease on re-excision after breast conserving surgery

被引:2
|
作者
Simpson, Duncan James [1 ,2 ]
Allan, Jennifer [1 ]
McFall, Brendan [1 ]
机构
[1] Antrim Area Hosp, Bush Rd, Antrim BT41 2RL, North Ireland
[2] 23 Six Mile Water Mill Dr, Antrim BT41 4FG, North Ireland
关键词
Breast cancer; Breast conserving surgery; Wide local excision; Lumpectomy; Residual disease; Residual cancer; Re-excision; Margin; Recurrence; POSITIVE MARGINS; SURGICAL MARGINS; CANCER; CONSERVATION;
D O I
10.1016/j.surge.2021.06.003
中图分类号
R61 [外科手术学];
学科分类号
摘要
Introduction: Breast conserving surgery is the standard of care for early breast cancer, however in a quarter of patients, satisfactory margins are not achieved, usually leading to re-excision. Residual disease is found in less than half of these re-excisions, leading to increased morbidity, poorer cosmesis and increased cost, possibly with no oncological benefit. Our study aimed to identify a group of patients with unsatisfactory margins but a low risk of residual disease, who may be able to avoid re-excision.Methods and materials: All patients from our unit undergoing re-excision for unsatisfactory margins after breast conserving surgery between January 2013 and October 2019 were identified. Pathological factors predicting residual disease were investigated using uni-variable and multivariable analysis.Results: 220 patients were included. 90 (41 %) had residual disease. Residual disease was more likely in those having mastectomy than cavity shaves (61 % vs 32 %, p < 0.0001). Residual disease increased in a linear fashion with number of involved margins and with increasing tumour size. Tumour size <20 mm (p = 0.045), a pathological to radiological tumour size ratio less than 1.5 (p < 0.0001) and disease-free cavity shaves taken at initial surgery (p = 0.041) were all independent predictors of a low chance of residual disease on multivariable analysis. Patients with all three factors had a 14 % chance of residual disease.Conclusions: More than half of patients undergo potentially unnecessary re-excision, and patients with small, radiologically obvious tumours are less likely to have residual disease. The decision on re-excision should include these factors in addition to the margin status.(c) 2021 Royal College of Surgeons of Edinburgh (Scottish charity number SC005317) and Royal College of Surgeons in Ireland. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:E149 / E157
页数:9
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