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Introduction: The latissimus dorsi (LD) flap has been used for reconstructing mastectomy defects since the early 1900s. Although its popularity has declined over the last decades, it still retains an important role in breast reconstruction. We present our recent experience with the multistage LD flap and implant for extremely complex post-mastectomy defects. Patients and Methods: Between 2011 and 2020, 42 consecutive patients underwent post-mastectomy LD reconstruction with an expander (STAGE 1). Some of them received prior fat-grafting of the mammary region (STAGE 0). All patients were scheduled for an expander-definitive implant change (STAGE 2). Some of them completed the program with fat-grafting, nipple and areola reconstruction, and other refinements (STAGE 3 or 4). Results: Two patients underwent fat-grafting at STAGE 0. Mean age at STAGE 1 was 46.7 years, mean BMI was 23.6, 14.4% of the patients were smokers, and 21.4% had comorbidities. Immediate reconstructions were performed in 35.7% and delayed in 64.3%. Mean surgical time at STAGE 1 was 194.7 min for delayed reconstructions and 242.3 min for immediate ones. Mean hospital stay for STAGE 1 procedures was 3.8 days; all other STAGES were performed as ambulatory surgery. No flap necrosis was observed and only 1 patient required a surgical revision for bleeding. Dorsal seroma occurred in 45.2% of cases. Conclusions: The multistage LD flap with implant is a useful and safe tool within the reconstructive armamentarium for post-mastectomy defects. It combines multiple simple procedures and does not require specific skills and surgical training (level of evidence 4).

PURPOSE: Robotic nipple-sparing mastectomy (RNSM) may allow for more precise anatomic dissection and improved cosmetic outcomes over conventional open nipple-sparing mastectomy; however data about the feasibility and safety of the procedure is limited. The aim of this study is to present and discuss peri-operative surgical outcomes and early oncologic follow-up data on consecutive patients undergoing RNSM from June 2014 to January 2019. METHODS: Women underwent RNSM and immediate robotic breast reconstruction through an axillary incision at a single institution. Peri-operative data, complications at 3 months postoperatively, pathological data, and adjuvant therapies were recorded. Local recurrence free survival, disease free survival and overall survival were analyzed. RESULTS: Seventy-tree women underwent 94 RNSM procedures. Indications were invasive breast cancer in 39 patients, ductal carcinoma in situ in 17 patients, and BRCA mutation in 17 patients. Mean surgery time was 3 hours and 32 minutes. One-step reconstruction with implant occurred in 89.4% of procedures. The rate of complications requiring re-operation was 4.3%. The rate of flap or nipple necrosis was 1.1% The median follow up was 19 months (range: 3.1–44.8). No local recurrences occurred. The overall survival at 12 months, 24 or 60 months was 98% (95% CI 86–100%). DISCUSSION: We observed low complication rate in 94 consecutive RNSM procedures demonstrating the procedure is technically feasible and safe. We found no early local failures at 19 months follow-up. Long-term follow-up is needed to confirm oncologic safety. Future clinical trials to study the advantages and disadvantages of RNSM are warranted.

Background: Nipple-sparing mastectomy (NSM) is increasingly used in women with breast cancer who are not eligible for conservative surgery, but extensive outcome data are lacking and indications have not been established. Objective: The aim of this study was to assess the oncological outcomes of NSM in a large series of patients with invasive or in situ breast cancer treated at a single center. Methods: We analyzed 1989 consecutive women who had an NSM in 2003–2011, for invasive (1711 patients) or in situ cancer (278 patients) at the European Institute of Oncology, Italy, and followed-up to December 2016. Endpoints were local recurrences, recurrences in the nipple-areola complex (NAC), NAC necrosis, and overall survival (OS). Results: After a median follow-up of 94 months (interquartile range 70–117), 91/1711 (5.3%) patients with invasive cancer had local recurrence (4.8% invasive disease, 0.5% in situ disease), and 11/278 (4.0%) patients with in situ disease had local recurrence (1.8% invasive disease, 2.2% in situ disease). Thirty-six (1.8%) patients had NAC recurrence, 9 with in situ disease (4 invasive and 5 in situ recurrences), and 27 with invasive disease (18 invasive and 9 in situ recurrences). NAC loss for necrosis occurred in 66 (3.3%) patients. There were 131 (6.6%) deaths, 109 (5.5%) as a result of breast cancer. OS at 5 years was 96.1% in women with invasive cancer and 99.2% in women with in situ disease. Conclusions: The findings in this large series, with a median follow-up of nearly 8 years, indicate that NSM is oncologically safe for selected patients. The rate of NAC loss was acceptably low.

Purpose It is controversial whether sentinel node biopsy (SNB) without axillary dissection (AD) should be performed in cN1/2 breast cancer patients who become cN0 after neoadjuvant treatment, since the false negative rate (FNR) may be unacceptably high. We assessed outcomes to address this issue. Methods We retrospectively assessed 396 cT1-4, cN0/1/2 patients, who became or remained cN0 after neoadjuvant treatment and underwent SNB with at least one sentinel node (SN) found, and AD not performed if the SN was negative. Results After a median follow-up of 61 months (interquartile range 38–82), five-year overall survival was 90.7% (95%CI, 87.7–93.7) in the whole cohort, 93.3% (95%CI, 90.0–96.6) in those initially cN0, and 86.3% (95%CI, 80.6–92.1) in those initially cN1/2 ( P = 0.12). Axillary failure occurred in only 1 (0.7%) initially cN1/2 patient who became cN0. In initially cN0 patients, and also initially cN1/2 patients who responded well to neoadjuvant treatment (ypT0/ypTx), SN-negativity was a significant predictor of good outcome, consistent with the known prognostic significance of axillary status, and suggesting that SN status accurately reflected axillary status. By contrast, in initially cN1/2 patients found to be ypT1/2/3, SN status (and whether or not AD was performed) had no influence on survival. Conclusions These findings suggest that SNB is acceptable in cN1/2 patients who become cN0 after neoadjuvant therapy.

Nipple- and areola-sparing mastectomy is a novel surgical approach that preserves the nipple-areolar complex. Patients with moderate and/or severe breast ptosis are usually not eligible for this surgical approach. In this study, we aimed to demonstrate the feasibility of nonconventional surgical approaches for nipple-sparing mastectomy. One hundred consecutive patients diagnosed with primary breast cancer (BC) were enrolled in this study. Clinical and pathological data such as body mass index, smoking status, breast ptosis, complications, and aesthetic satisfaction (Breast-Q test) were collected. According to different types of breast ptosis, surgical procedures were classified as (a) hemi-periareolar, (b) round block, (c) vertical pattern, and (d) wise pattern skin incisions. We performed statistical analysis to assess the correlation with complications, degree of ptosis, and breast-Q scores. Among the 117 surgical procedures performed in 100 patients with BC, no significant associations are verified considering clinical and pathological data, complications, pre- and postsurgery satisfactions, and other parameters. Different surgical approaches represent the evolution of "classic" nipple-sparing mastectomy, thus meeting the cosmetic and oncological results. These procedures are safe and also indicated in cases conventionally considered as not eligible for nipple-areola preservation.

Hereditary breast and ovarian cancer is an inherited syndrome associated with BRCA1/2 germline defects. The identified mutations are classified as missense, large deletion, insertion, nonsense and splice-site variants with a deleterious impact on BRCA1/2 function. Part of these forms the well-documented truncating mutations, and missense variants represent a clinical dilemma as the pathogenic role is yet to be clearly shown. In this systematic review, we collected these missense variations with a documented deleterious function. We focused on English language articles from MEDLINE. This study included all BRCA1/2 germline missense mutations identified in breast and ovarian cancer patients. The method of this study followed the ‘PRISMA statement for reporting systematic reviews and meta-analyses’. A total of 61 BRCA1/2 germline and pathogenic missense mutations were identified: 70.5% affected BRCA1 and 29.5% BRCA2, respectively. In BRCA1, the majority of mutations were located in the BRCA C-terminus (48.8%), leading to a disruption of function. Conversely, no specific associations were verified between mutations and the BRCA2 gene. The European population was the most affected by BRCA1 and the Asian population by BRCA2 mutant patterns. The identification of novel BRCA1/2 missense mutations requires specific genetic tests to assess pathogenicity. With this systematic review, we are, to the best of our knowledge, the first to collect the overall amount of data on these pathogenic mutants with the aim of improving the management of carriers and their kindred.

Sentinel lymph node biopsy (SLNB) is a staging technique with a significant impact on patients' quality of life: the oncological effectiveness in a large number of patients affected by breast carcinoma has been already demonstrated, and the clinical research is now focusing on new indication for the biopsy and widespread adoption of the technique. At the European Institute of Oncology we are applying SLNB under local anesthesia: our aim is to improve the management of the disease with low costs for the structure and patients, and to improve patients' acceptance of breast cancer treatments. We are now discussing the impact of the SLNB under local anesthesia on the activity of a breast surgery department. We also present an update of our experience.

Angiosarcoma of the breast (AB) is a rare entity: its overall incidence is estimated at between 0.002% and 0.005% per year. Some potential risk factors have been described, mainly previous irradiation of the breast. We report the experience of the European Institute of Oncology with this unusual disease from January 1996 to January 2006: sixteen patients with angiosarcoma, 9 (56%) of whom had primary AB and 7 (44%), secondary AB, are discussed.

Background: Sentinel lymph node biopsy performed under local anesthesia currently represents one of the main fields of investigation in breast cancer surgery because of its positive impact on the management and organisation of treatment. We previously published our preliminary experience with 115 patients; here we present an update of our experience with particular attention devoted to quality of life. Patients and methods: From September 2000 to April 2003 we treated 244 patients with this technique. We developed a ‘questionnaire of impact on quality of life – LA’ to be administered to these patients, to assess their reactions to the procedure: we administered the questionnaire to 243 patients. Our aim was to verify whether the advantages in terms of treatment planning are accompanied by an improvement in quality of life and a good degree of acceptance by the patients. Results: The questionnaire was administered to the patients during follow-up and we obtained positive results; the impact of the procedure under local anesthesia was positive for 81% of patients, while the remaining 19% reported that it had ‘no impact at all’. We can conclude that axillary sentinel node biopsy, when performed under local anesthesia, meets with a very high degree of acceptance by the patients and exerts an optimal impact on quality of life.

Breast carcinoma is a rare disease in men, and bilateral cases are extremely uncommon. The rarity of male breast carcinoma and the small number of large studies on this topic have made it necessary to extrapolate treatment standards and outcomes from those established for women. Between 1997 and 2007, 75 men with breast cancer were referred to our institute, and the bilateral case we present here was the only one we have observed since 1994. The goal of our work was to contribute to the available literature with this extremely unusual presentation of the disease.

Intraductal carcinoma of the breast (DCIS), by definition, cannot give axillary metastases. Axillary dissection is therefore not indicated. The role of the sentinel lymph node (SLN) biopsy in the management of DCIS has not yet been established. A 6-13% risk of SLN involvement is reported in Literature. The aim of the present study is to assess the role of SLN biopsy in patients with pure DCIS and attempt to identify guidelines for routine practice in managing such patients. From March 1996 to December 2003, 508 consecutive patients with pure DCIS of the breast underwent SLN biopsy at the European Institute of Oncology in Milan. Clinical and pathological data were prospectively collected. In all cases of previous surgery or stereotactic biopsy performed elsewhere all pathological slides were reviewed. Cases with microinvasion were excluded from this investigation. Lymphatic mapping was performed using a radiocolloid technique. Most of the patients underwent conservative surgery and removal of the SLN which was sent for conclusive histology. SLN metastases were detected in 9 out of 508 (1.8%) patients. In five patients only micrometastasis (

Hypothesis A sentinel lymph node (SLN) biopsy should not be considered a standard procedure in the treatment of all patients with ductal carcinoma in situ (DCIS) of the breast if the lesion is completely excised by radical surgery and there are free margins of resection. Design Prospective case series. Setting Department of breast surgery of a comprehensive cancer center. Patients From January 1, 1998, to December 1, 2001, 223 unselected consecutive patients affected by pure DCIS of the breast underwent an SLN biopsy. Results Metastases in the SLN were detected in 7 (3.1%) of the 223 patients, and complete axillary dissection was subsequently performed in all these patients but 1. Of these 7 patients, 5 had only micrometastases in the SLNs; and in the 6 patients treated with complete axillary dissection, the SLN was the only positive node. Conclusions Because of the low prevalence of metastases, an SLN biopsy should not be considered a standard procedure in all patients with DCIS. In patients with pure DCIS in whom the lesion is completely excised by radical surgery, an SLN biopsy could be avoided. It could be considered in patients with DCIS undergoing mastectomy, in whom there exists a higher risk of harboring an invasive component using definitive histologic features, like large solid tumors or diffuse or multicentric microcalcifications; in these patients, an SLN biopsy cannot be performed at a later operation. Complete axillary dissection may not be mandatory if the SLN is micrometastatic.

Paraneoplastic syndromes are the rarest neurological complications in patients with cancer. The neurological paraneoplastic syndromes that are mainly associated with breast cancer are subacute cerebellar degeneration, paraneoplastic retinopathy, opsoclonus-myoclonus syndrome, lower motor neuron diseases and Stiff-man syndrome. The aim of this paper is to briefly outline these paraneoplastic neurological syndromes and consider their relation to breast carcinoma.

Sentinel lymph node (SN) biopsy performed with local anesthesia has a positive effect on patients' quality of life and on treatment management for early-stage breast carcinoma. This method represents an interesting development in breast-conserving surgery.We performed SN biopsy with local anesthesia in selected patients to test the feasibility of the technique and its impact on our organization and on patients' quality of life.From September 2000 to December 2001, we studied 115 patients with a palpable breast tumor (maximum diameter, 2.5 cm). The axilla was clinically negative for metastasis in all cases.Forty-eight patients (41.7%) had SNs that were positive for metastasis. In 20 cases (17.4%), the SN was macrometastatic and in 28 cases (24.3%), it was micrometastatic (diameter2 mm). The SN was negative for metastasis in 66 cases (57.4%). In 1 case, the histologic examination revealed the presence of a non-Hodgkin B-cell lymphoma. The complete axillary dissection performed in the subgroup of patients with macrometastatic SNs showed that in 9 cases (45%), the SN was the only positive node. In another 9 cases (45%), patients had fewer than 4 positive axillary lymph nodes; more than 4 axillary nodes were metastatic in 2 cases (10%). Among the 28 patients with SN micrometastasis, 21 received complete axillary dissection: 15 patients (53.6%) had no other metastasis to the axillary nodes and 6 patients (21.4%) had cancer cells in other axillary nodes. In case of micrometastasis, we suggested that patients enter the International Breast Cancer Study Group 2301 trial (15 of them accepted and signed the informed consent), which compared completion of axillary dissection with no further surgical treatment of the axilla. Based on randomization, 7 patients (25%) in the group with micrometastasis to the SN received no axillary dissection. Patients' tolerance to this kind of treatment was excellent.Our experience indicates that SN biopsy performed with local anesthesia can be a suitable alternative to standard intraoperative evaluation with general anesthesia in patients with unifocal, early-stage breast carcinoma.