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13.07.2019 | Epidemiology | Ausgabe 3/2019

Breast Cancer Research and Treatment 3/2019

Radiofrequency identification tag localization is comparable to wire localization for non-palpable breast lesions

Breast Cancer Research and Treatment > Ausgabe 3/2019
Caroline McGugin, Tara Spivey, Suzanne Coopey, Barbara Smith, Bridget Kelly, Michele Gadd, Kevin Hughes, Brian Dontchos, Michelle Specht
Wichtige Hinweise
This was selected for poster presentation at the American Society of Breast Surgeons 2019 conference.

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Radiofrequency identification (RFID) tag localization (TL) is a technique of localizing non-palpable breast lesions that can be performed prior to surgery. We sought to evaluate whether TL is comparable to wire localization (WL) in regard to specimen size, operative time, and re-excision rate.


A retrospective cohort analysis was performed on TL and WL excisional biopsies and lumpectomies performed by 5 surgeons at 2 institutions. Cases were stratified by surgery type and surgical indication. Associations between localization technique and specimen volume, operative time, and re-excision rate were assessed by univariate and multivariate analyses.


A total of 503 procedures were included, 147 TL (29.2%) and 356 WL (70.8%). Nineteen (12.9%) RFID tags were placed before surgery, ranging 1–22 days. All intended targets were removed. TL and WL excisional biopsy and lumpectomy specimen volumes were similar (p = 0.560 and 0.494). TL and WL excisional biopsy and lumpectomy + SLNB operative times were similar (p = 0.152 and 0.158), but TL lumpectomies without SLNB took longer than WL (57 min vs 49 min; p = 0.027). Re-excision rates were similar by surgical procedure (p = 0.615), surgical indication (DCIS p = 0.145; invasive carcinoma p = 0.759), and confirmed by multivariable analysis (OR 0.754, 95% CI 0.392–1.450; p = 0.397).


TL has similar surgical outcomes to WL with added benefit that TL can occur prior to the day of surgery. TL is an acceptable alternative to WL and should be considered for non-palpable breast lesions.

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