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Minerva Chirurgica 2020 May 26

DOI: 10.23736/S0026-4733.20.08303-0

Copyright © 2020 EDIZIONI MINERVA MEDICA

language: English

Accuracy and feasibility of SENTIMAG technique for localization of non-palpable breast lesions. Experience from a single institution

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


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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). Seven out of 16 (43.7%) had a borderline preoperative histological or cytological diagnosis (C3/B3), and 9 (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 7 benign lesions, one in situ and 8 infiltrating carcinomas.
DISCUSSION: 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: Non-palpable lesions; Breast cancer; Magseed

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