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Minerva Chirurgica 2020 August;75(4):255-9

DOI: 10.23736/S0026-4733.20.08303-0

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Accuracy and feasibility of SentiMag technique for localization of non-palpable breast lesions

Antonio RULLI 1, Piero COVARELLI 1 , Alessandra SERVOLI 1, Andrea SARACINI 2, Paola PANZAROLA 2, Renato COLELLA 3, Carlo BOSELLI 1, Francesco BARBERINI 1

1 Department of Surgical Oncology, University of Perugia, Perugia, Italy; 2 Department of Radiology, Perugia General Hospital, Perugia, Italy; 3 Department of Pathology, University of Perugia, Perugia, Italy



BACKGROUND: Non-palpable breast lesions are more frequent now than in the past due to the attention toward the mammary pathology and the screening diffusion; the marking of such lesions is very important for a successful surgery. The SentiMag System uses a magnetic marker that is inoculated transdermal in the breast through an 18-gauge needle.
METHODS: Between April 1st and June 30th, 2018, 16 patients with non-palpable breast lesions were selected and subjected to surgery using the SentiMag System in our Unit. They were women with a mean age of 52 years (range 30-84 years). Seven of 16 (43.7%) had a borderline preoperative histological or cytological diagnosis (C3/B3), and nine (56.3%) a diagnosis of carcinoma (C5/B5). Six (37.5%) were marked on ultrasound guidance and 10 (62.5%) on a mammography stereotaxic guide.
RESULTS: The time for the marker positioning ranged from 2 to 10 minutes. The radiological control of the surgical specimen always showed the presence of both the lesion and the marker, both centered within the specimen and intact. The pathology revealed seven benign lesions, one in-situ, and eight infiltrating carcinomas.
CONCLUSIONS: The SentiMag represents a fast and safe preoperative marking system of non-palpable breast lesions, cutting the radio exposure for personnel and patients. The marker is not displaced over time and it is rapid to place and easy to locate intraoperatively, allowing a clear dissection plane around the lesion. Thus, this reduces the amount of gland removed, improving the aesthetic result mostly in small breasts.


KEY WORDS: Prevention and control; Breast neoplasms; Mass screening

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