Feasibility and oncological safety of postadjuvant skin-sparing mastectomy (SSM) plus immediate breast reconstruction (IBR) cannot be evaluated by randomized trials. However, comparative study could modify guidelines for the oncosurgical treatment of invasive breast cancer. Our study compared the feasibility, oncological safety and esthetic outcome of SSM plus latissimus dorsi (LD) flap IBR after chemotherapy (CT) and radiotherapy (RT) with the standard management for invasive breast cancer: mastectomy as primary treatment, adjuvant CT and RT, and LD flap delayed breast reconstruction (DBR). Twenty-six selected patients with stages IIA-IIIA breast cancer were offered post-neoadjuvant SSM plus IBR with LD flap plus implant (IBR group). Seventy-eight other patients had primary mastectomy, adjuvant CT and RT, and LD-assisted DBR (DBR group). After 4.1 years (range 1-8) of follow-up, feasibility, oncological safety, and esthetic outcome were compared. Sixteen (61%) early complications were reported for the IBR group versus 44 (56%) for the DBR group (P = 0.645). Early implant loss was 0% in IBR versus 12% in DBR. IBR had 8 (30%) late complications versus 17 (21%) for DBR (P = 0.362). Capsular contracture and reconstruction failure rates were similar. Local recurrence was 7.7% (2/26) in IBR and 6.4% (5/78) in DBR (P = 0.823). Cosmetic evaluation by independent physicians and by the patients themselves was identical in the two groups. Our concept provides a basis for offering more women the opportunity to elect for immediate reconstruction, even in the setting of radiation therapy.

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Introduction Preoperative localization procedures of occult breast cancer (radioisotopic and wire localization) are invasive and uncomfortable. We have evaluated a novel technique which allows a virtual localization. Material and Methods Our retrospective study focused on patients treated for occult and unifocal breast cancer from September 2016 to June 2017. All patients had radioisotopic preoperative localization. We included patients who had a preoperative prone Magnetic Resonance Imaging (MRI) and an intraoperative 3D optical scan. During surgery, the surgeon localized the tumor thanks to a gamma detection probe and marked the localization on the skin with a black marker. The breast was then optically scanned. MRI was adjusted to the optical surface to match the exact breast position in the Operating Room. The virtual localization provided by the 3D breast modeling tool was retrospectively compared with the radioisotopic localization, defined as the pen mark visible in the optical scan. Results Nine patients were included in this feasibility study. Tumors were successfully localized in the respective breast quadrant. The mean cutaneous distance between virtual and radioisotopic localization was 1.4 cm in patients with low breast volume (5/9) and 2.8 cm in those with large breast volume (4/9). Conclusion We developed a research prototype which enables virtual preoperative localization of nonpalpable breast lesions using MRI images and intraoperative optical scanning. Parameter optimization is required and will lead to a precise and noninvasive tool. By adding augmented reality, it will be possible to initiate a prospective study to compare this tool with the traditional localizations.

Our technique is simple and feasible and the results are encouraging. It can be used regardless of the location of the fistula around the periphery of the nipple-areola complex and it is perfectly suited to the management of chronic fistulous abscess.