Objective:To evaluate the therapeutic value of minimally invasive excision of benign breast lesions using stereotactic mammotome minimally invasive surgery system.
Methods:Under ultrasonographic image monitoring, 1160 breast masses of 310 patients were excised using mammotome minimally invasive stereotactic excision system and sent for pathologic examinations immediatly. Patients′condition was follow-ed up and recorded  post-operative. Their clinical data were retrospectively analysed.
Results:Accurate and complete resection of all of  the 1160 breast masses was achieved. The resected tissues were large enough to make pathologic diagnosis. The pathologic diagnoses were all found to be benign, and included: fibroadenoma (n=672), fibroadenosis (n=451), intraductal papilloma (n=12), cyst (n=6),  cystic hyperplasia (n=17) and tubular adenoma (n=17). Regular follow up every 6-12 months was done. Postoperative surgical scars were unremarkable, the skin incisions were small and concealed, breast appearance and skin sensation were normal and ultrasonography did not reveal residual lesions or recurrences.
Conclusions:Complete resection of benign breast lesions can be done with mammotome technique. This technique is safe, accurate and effective. Moreover, there is little trauma, low complication rate, and the breast appearance is not affected. This minimally invasive excision technique for benign breast lesions is suitable for wide use.