Abstract
Background
Methylene blue injection of lesions often is inaccurate, and ductoscopic wire marking does not facilitate easy identification of lesions during microdochectomy in patients with pathologic nipple discharge. The authors designed a light-emitting wire that can be inserted into pathologic mammary ducts to facilitate intraoperative duct identification and evaluated the efficacy of this device in patients undergoing selective microdochectomy.
Methods
In this study, 69 patients being evaluated for pathologic discharge were randomized to undergo selective microdochectomy with either methylene blue pathologic duct marking or light-emitting wire pathologic duct marking. The patient clinical characteristics and surgical outcomes were compared and evaluated.
Results
Of the 69 study patients, 36 underwent selective microdochectomy guided by methylene blue injection, and 33 underwent light-emitting wire marking. No differences existed between the clinical and histologic characteristics or the diagnostic accuracies of the groups. In 11 (30.56 %) of the 36 patients who underwent methylene blue marking, the ducts ruptured after the methylene blue was injected, and normal tissue around the duct was stained. Light-emitting wire marking was associated with a shorter surgical time and smaller surgical specimens.
Conclusions
The use of light-emitting wire marking enabled selective microdochectomy of pathologic ducts under visual guidance. Resection volume was reduced, and blinded extended resection was avoided.
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Acknowledgment
This work was partly supported by the National Natural Science Foundation (No. 81201906), the Medical Research Project of the Health Department of Anhui Province (No. 13ZC007), and the Youth Doctor Fund of Anhui Medical University Provincial Hospital.
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There are no conflicts of interest.
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Xiao-Peng Ma and Wei Wang contributed equally to this study as co-first author.
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Ma, XP., Wang, W., Kong, Y. et al. A Novel Light-Emitting Wire Enhances the Marking and Visualization of Pathologic Mammary Ducts During Selective Microdochectomy. Ann Surg Oncol 23, 796–800 (2016). https://doi.org/10.1245/s10434-015-4919-z
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DOI: https://doi.org/10.1245/s10434-015-4919-z