Breast Cancer Research and Treatment最新文献

{"title":"The impact of loco-regional treatment on ipsilateral breast cancer recurrence and outcomes in carriers of BRCA1/2 pathogenic variants.","authors":"Rinat Bernstein-Molho, Ory Haisraely, Shira Galper, Narmeen Abu-Shhada, Einav Nili Gal-Yam, Tehillah S Menes, Philip Poortmans, Orit Kaidar-Person","doi":"10.1007/s10549-025-07658-x","DOIUrl":"https://doi.org/10.1007/s10549-025-07658-x","url":null,"abstract":"<p><strong>Purpose: </strong>Our previous data showed that carriers of germline BRCA1/2 pathogenic variants (PV) with breast cancer (BC) treated with mastectomy without post-mastectomy radiation therapy (PMRT) had higher rates of loco-regional recurrence (LRR) compared to those who underwent PMRT or breast-conserving therapy (BCT), despite earlier stage BC. Our aim was to verify our previous findings in a larger cohort.</p><p><strong>Methods: </strong>Clinical data were extracted from the medical records of BRCA1/2 mutation carriers with BC, treated at a single institution between 1/2006 and12/2022. The data included demographics, treatment modalities, and BC outcomes.</p><p><strong>Results: </strong>A total of 464 patients with 484 primary tumors were analyzed. Of these, 48.3% mastectomies were performed: 66% (154) without PMRT (non-PMRT) and 34% (80) with PMRT; 51.8% (250) underwent BCT. The non-PMRT group had earlier disease stages at diagnosis (77.3% were Tis and T1N0 stage) compared to the PMRT and BCT groups (3.8% and 45%, respectively, p < 0.001). During the study period with a median follow-up time of 75 months (range 12-211), the LRR rate was 13% (20/154) in the non-PMRT cohort compared with 1.25% (1/80) in the PMRT group (p = 0.003), and 6.4% (16/250) in the BCT group (p = 0.03). Cumulative incidence of LRR at 5 and 15 years was 14.7%, and 16.6% in the non-PMRT, compared to 5.1% and 35% in the BCT group, respectively (p = 0.081). No significant difference in overall survival was observed (p = 0.202).</p><p><strong>Conclusions: </strong>The timing and rates of LRRs differ according to the loco-regional therapy, which might indicate a different etiology driving these events.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143555892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Factors associated with locoregional recurrence after neoadjuvant chemotherapy for breast cancer in a safety-net medical center.","authors":"Danielle Brabender, Deena Hossino, Sean Kim, Margaret Jayich, Lauren Polyakov, David Gomez, Azadeh A Carr, Stephen F Sener","doi":"10.1007/s10549-025-07668-9","DOIUrl":"https://doi.org/10.1007/s10549-025-07668-9","url":null,"abstract":"<p><strong>Background: </strong>The management of locally advanced breast cancer poses significant challenges, with contemporary strategies involving an approach that combines systemic and local treatment. The current study was performed to validate the clinical impression that locoregional recurrences have become increasingly uncommon after standardized multimodal treatment protocol.Please check and confirm that the authors and their respective affiliations have been correctly identified and amend if necessary.All authors and affiliations are correct.</p><p><strong>Methods: </strong>A retrospective analysis was performed using a single-institution database that included clinical, radiographic, and pathologic parameters for all non-metastatic and non-inflammatory breast cancer patients treated with neoadjuvant chemotherapy (NAC) from 2015 to 2023. Uni- and multivariable analyses were performed to define associations between clinical factors, recurrence, and RFS.</p><p><strong>Results: </strong>The median age was 51 years for 274 predominantly Hispanic (78%) patients, with a median follow-up of 38.1 months. The recurrence rates were 4% local, 2% regional, and 18% distant. Median time from surgery to local recurrence was 8.2 months and to regional recurrence was 9.7 months. There were no locoregional clinical recurrences in 92 (34%) patients who had pCR or in 85 (31%) patients who had radiological complete response after NAC. Locoregional recurrences were uncommon > 12 months after surgery. Five of 11 local recurrences occurred in patients who had a poor response to NAC (ypT4b). All 6 patients having regional recurrences had adjuvant radiation therapy, and only 2 occurred in patients who were pathologically node-negative (ypN0) post-NAC.</p><p><strong>Conclusions: </strong>Favorable responses to NAC were associated with excellent locoregional control rates. Results achieved for predominantly Hispanic patients at a safety net medical center were similar to those reported in prospective, randomized clinical trials.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the editor regarding the article \"Comparison of survival between unilateral and bilateral breast cancers using propensity score matching: a retrospective single-center analysis\".","authors":"Alaattin Ozen, Mehmet Halici","doi":"10.1007/s10549-025-07670-1","DOIUrl":"https://doi.org/10.1007/s10549-025-07670-1","url":null,"abstract":"<p><p>We read with great interest the recent article, \"Comparison of survival between unilateral and bilateral breast cancers using propensity score matching: a retrospective single-center analysis\" by Ozler et al. This study addresses an important gap in the literature by comparing disease-free survival (DFS) and overall survival (OS) between unilateral and bilateral breast cancer, and the use of propensity score matching (PSM) strengthens the validity of the findings. However, we would like to share several reflections that we believe can enhance the interpretation and future application of this research.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oncotype DX recurrence score in node-positive patients in the post-RxPONDER era: a single-institution experience.","authors":"Rachel Han, Edi Brogi, Donna Thompson, Mahmoud El-Tamer, Monica Morrow, Hannah Y Wen","doi":"10.1007/s10549-025-07661-2","DOIUrl":"https://doi.org/10.1007/s10549-025-07661-2","url":null,"abstract":"<p><strong>Purpose: </strong>RxPONDER showed that in postmenopausal women with early-stage hormone receptor + /HER2- breast cancer (BC) with 1-3 positive axillary lymph nodes (LN) and a recurrence score ≤ 25, the addition of chemotherapy to endocrine therapy did not improve distant recurrence-free survival. We sought to evaluate Oncotype DX recurrence score (ODX RS) distribution in LN negative and LN positive patients aged ≥ 50 years (y) and to determine clinicopathologic factors associated with RS.</p><p><strong>Methods: </strong>ODX RS, demographic, and pathologic information was collected for patients with ER + /HER2- BC with 0 (patients < 50y) or 0-3 positive (patients ≥ 50y) LN treated at our institution between January 2021 and December 2022. Statistical analyses were conducted using Pearson chi-square and two-tailed t tests.</p><p><strong>Results: </strong>The study cohort included 2378 BC from 2285 women. Among women ≥ 50y, there was no significant difference in RS distribution between pN0, pN1mi, and pN1a patients; with 85.4%, 86.5%, and 81% having a RS ≤ 25, respectively. Among LN + women ≥ 50y, RS > 25 was significantly associated with higher grade (P = .001), lower ER (P = .007), and lower PR (P < .001). Among LN- women ≥ 50y, RS > 25 was significantly associated with higher grade (P < .001), lower ER (P < .001), and lower PR (P < .001).</p><p><strong>Conclusion: </strong>ODX RS distribution among LN + and LN- women aged ≥ 50y was similar. In this population, RS is significantly associated with tumor grade, ER, and PR, regardless of LN status. In our post-RxPONDER era cohort, over 80% of women aged ≥ 50y with early-stage ER + /HER2- BC with ≤ 3 positive axillary LN would be spared chemotherapy based on RS, regardless of nodal status.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143536540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Is the risk of local recurrence higher for microinvasive breast cancer vs. early stage invasive breast cancer?","authors":"Camille Hardy Abeloos, Jason Gurewitz, Julie Xiao, Farbod Darvishian, Cheongeun Oh, Naamit Gerber","doi":"10.1007/s10549-025-07664-z","DOIUrl":"https://doi.org/10.1007/s10549-025-07664-z","url":null,"abstract":"<p><strong>Purpose: </strong>The prognosis and optimal treatment for microinvasive breast cancer is controversial with some data indicating a higher local recurrence with microinvasive disease as compared to early-stage invasive breast cancer. The goal of our study was to compare long-term outcomes between patients with T1mi disease and early-stage breast cancer after breast-conserving surgery and whole breast irradiation (WBI).</p><p><strong>Methods: </strong>We reviewed all patients treated at our institution from 2013 to 2019 with T1mi-T2N0 disease. Cox proportional hazard model was used to find independent prognostic variables associated with local recurrence (LR). Survival curves were analyzed by Kaplan-Meier.</p><p><strong>Results: </strong>We found 1155 patients with 56 (4.8%) having T1mi disease. The 5-year local recurrence rate was 5.3% in patients with T1mi disease and 1.2% in patients T1-2 disease (HR = 2.73; 95% CI 0.43, 17.9; p = 0.09). On Cox multivariate analysis, younger age, positive margins and the need for re-excision were prognostic for LR. Out of the 3 patients with microinvasive disease who developed a local recurrence, two had DCIS < 2 mm from the margin and the third patient underwent two re-excisions due to DCIS margins < 2 mm.</p><p><strong>Conclusions: </strong>Our study showed that patients with microinvasive disease treated with hypofractionated WBI had a numerically higher 5-year local recurrence rate than patients with T1a-2 disease though this difference was not statistically significant. Given the rarity of microinvasive disease, further work is needed to define optimal surgical and adjuvant management and to better clarify the risk of local recurrence in this patient population.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The natural history of ductal carcinoma in situ: development, validation, and estimated outcomes of the SimDCIS model.","authors":"Keris Poelhekken, Monique D Dorrius, Amanda Dibden, Stephen W Duffy, Bert van der Vegt, Geertruida H de Bock, Marcel J W Greuter","doi":"10.1007/s10549-025-07639-0","DOIUrl":"https://doi.org/10.1007/s10549-025-07639-0","url":null,"abstract":"<p><strong>Purpose: </strong>To develop a novel simulation model for ductal carcinoma in situ (DCIS), fully validate it, and provide new estimates for DCIS in the setting of population-based biennial screening.</p><p><strong>Methods: </strong>A micro-simulation Markov model for DCIS (SimDCIS) was developed. Input parameters were independently derived from the literature and transition parameters were age- and grade-dependent. The model was applied to the Dutch biennial screening program. SimDCIS was internally, cross, and externally validated by comparison of the model output to data from the Netherlands Cancer Registry, a modelling study on the United Kingdom Frequency Trial, and the United Kingdom screening program, respectively. Univariate and probabilistic sensitivity analyses were performed to estimate uncertainty. DCIS regression, progression to invasive breast cancer (IBC), clinical detection, and screen-detection were estimated in Dutch screening setting.</p><p><strong>Results: </strong>SimDCIS matched observed data in internal, external, and cross-validation. The model was most sensitive to DCIS onset probability, and the maximum variation in screen-detection rate was 11%. In Dutch screening setting, DCIS regression, progression to IBC, clinical detection, and screen-detection were estimated at 8% (0-14%), 19% (16-24%), 8% (0-13%), and 61% (56-65%), respectively. Grade distribution was 20% grade 1, 38% grade 2, and 42% grade 3.</p><p><strong>Conclusion: </strong>SimDCIS provides strong accuracy across validation methods and is particularly sensitive to DCIS onset probability. Most DCIS will be found through screening, of which less than 50% of DCIS will be grade 3, less than 1 in 10 will regress, and 1 out of 5 DCIS will progress to IBC in biennial screening setting.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143530851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mammographic density as a predictor of invasive breast cancer and ductal carcinoma in situ in over six million South Korean women.","authors":"Sung Hun Kim, Ga Eun Park, Kimberly A Bertrand, Dale P Sandler, Kyungdo Han, Yong-Moon Mark Park","doi":"10.1007/s10549-025-07648-z","DOIUrl":"https://doi.org/10.1007/s10549-025-07648-z","url":null,"abstract":"<p><strong>Purpose: </strong>Evidence on the associations between categorical mammographic density and breast cancer risk by tumor invasiveness remains limited in Asian women. This large, population-based cohort study investigated the distribution of mammographic density by age and menopausal status, as well as its association with the risks of invasive breast cancer and ductal carcinoma in situ (DCIS) in South Korean women.</p><p><strong>Methods: </strong>Mammographic screening was performed on 6,365,522 women between 2009 and 2014 through the Korean National Cancer Screening Program. Mammographic parenchymal composition was classified using the fourth edition of Breast Imaging Reporting and Data System. We computed multivariable-adjusted hazard ratios and 95% confidence intervals (CIs) using Cox proportional hazards regression models for the association between mammographic parenchymal composition and the risk of invasive cancer and DCIS.</p><p><strong>Results: </strong>Overall, 40.6% of women had dense breasts, with the proportion decreasing with increasing age. A total of 44,468 incident breast cancer cases (0.7%) were documented. Compared with almost entirely fatty breasts, increasing mammographic density was associated with a higher risk of breast cancer (HR, 1.55; 95% CI 1.51-1.60 for scattered fibroglandular densities; HR, 2.14; 95% CI 2.08-2.21 for heterogeneously dense breasts; and HR, 2.59; 95% CI 2.50-2.69 for extremely dense breasts). Associations between mammographic density and breast cancer risk were similar for invasive cancer and DCIS, and did not vary significantly by menopausal status.</p><p><strong>Conclusions: </strong>Mammographic density may be a significant risk factor for both invasive cancer and DCIS, regardless of menopausal status. It should be incorporated into breast cancer risk stratification and screening strategies.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143522709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of adjuvant capecitabine in older patients with early-stage triple-negative breast cancer.","authors":"Marija Sullivan, Xiudong Lei, Meghan Karuturi, Catalina Malinowski, Sharon H Giordano, Mariana Chavez-MacGregor","doi":"10.1007/s10549-025-07637-2","DOIUrl":"https://doi.org/10.1007/s10549-025-07637-2","url":null,"abstract":"<p><strong>Purpose: </strong>Patients with triple-negative breast cancer (TNBC) who have residual disease after neoadjuvant chemotherapy (NACT) benefit from adjuvant capecitabine. Older patients are not always treated according to guidelines, likely due to concerns regarding tolerance. We examined the use of adjuvant capecitabine, its association with outcomes, and subsequent emergency room visits (ER) and hospitalizations (HSP) among older patients with early-stage TNBC.</p><p><strong>Methods: </strong>Retrospective, observational study using data in the SEER-Medicare database. Older patients (≥ 66 years) with early-stage TNBC, diagnosed in 2010-2019, who received NACT, underwent surgery, and were prescribed adjuvant capecitabine were included. We analyzed capecitabine use, its association with overall survival and breast-cancer specific survival, and time to first ER/HSP. Logistic regression, Kaplan-Meier estimates, and Cox regression models with propensity score adjustments were used.</p><p><strong>Results: </strong>239 of 1,799 older patients with TNBC received adjuvant capecitabine. Capecitabine use increased from 1.3% in 2010 to 29.6% in 2019. Older age, ≥ 71 years, (OR = 0.54, 95%CI 0.32-0.92) and ≥ 2 comorbidities (OR = 0.42, 95%CI 0.2-0.9) were associated with decreased odds of receiving ≥ 6 cycles of capecitabine. Increasing number of cycles of capecitabine was associated with decreased risks of death (HR = 0.74, 95%CI 0.66-0.83) and breast cancer-specific death (HR = 0.73, 95%CI 0.61-0.89). 55 patients (23%) treated with capecitabine experienced ER/HSP.</p><p><strong>Conclusion: </strong>In recent years, adjuvant capecitabine is increasingly used for patients with early-stage TNBC. Patients with older age and more comorbidities received fewer cycles of capecitabine. While one-fourth of patients had ER/HSP, receipt of more cycles was associated with better survival.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143522710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of coadministration of venlafaxine, citalopram or gabapentin on the metabolic activation of tamoxifen.","authors":"Stephanie L Safgren, Vera J Suman, Roberto A Leon Ferre, Matthew L Kosel, Vered Stearns, N Lynn Henry, Neelima Denduluri, William Irvin, James N Ingle, Kostantinos Sideras, Matthew M Ames, Joel M Reid, Charles L Loprinzi, John L Black, Richard M Weinshilboum, Matthew P Goetz","doi":"10.1007/s10549-025-07644-3","DOIUrl":"https://doi.org/10.1007/s10549-025-07644-3","url":null,"abstract":"<p><strong>Purpose: </strong>Tamoxifen undergoes metabolic activation by cytochrome P450 (CYP) enzymes to metabolites with more potent anti-estrogenic effects. Numerous studies demonstrate decreased tamoxifen efficacy associated with reduced CYP2D6 activity or lower Z-endoxifen concentrations. Women taking tamoxifen frequently experience vasomotor symptoms (VMS) that may require medical treatment. Many medications used for VMS or depression are CYP substrates that may reduce Z-endoxifen concentrations. While the drug-drug interactions (DDI) from potent CYP2D6 inhibitors (CYPi) on tamoxifen metabolism has been studied, the impact of less potent CYPi including drugs used to treat VMS remains largely unknown.</p><p><strong>Methods: </strong>We performed a prospective trial to evaluate the impact of gabapentin or non-potent CYPi (venlafaxine citalopram) on plasma concentrations of tamoxifen and its metabolites (Z-endoxifen, N-desmethyl-tamoxifen (NDMT) and 4-hydroxy-tamoxifen (4HT).</p><p><strong>Results: </strong>Patients enrolled were intermediate to extensive metabolizers by CYP2D6 genotyping. While tamoxifen and NDMT plasma concentrations were not significantly altered, the percent decrease in plasma Z-endoxifen concentration was statistically significant with the addition of venlafaxine (n = 22) or citalopram (n = 18) (median - 14.7 and - 14.4%, respectively) but not with gabapentin (n = 14) (median - 2.3%). A reduction in Z-endoxifen concentrations below the 5.9 ng/ml threshold associated with tamoxifen efficacy was observed in 12% of patients.</p><p><strong>Conclusion: </strong>The addition of venlafaxine and citalopram but not gabapentin during tamoxifen treatment decreases plasma Z-endoxifen concentrations. SSRIs/SNRIs affecting tamoxifen biotransformation pathways, but with less potent CYPi potential, should be used cautiously in tamoxifen-treated patients and non-CYP inhibiting medications considered when possible.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143514548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High risk surveillance MRI may not be necessary in BRCA1/2 mutation carriers over 70 years old.","authors":"Astrid Botty van den Bruele, Yi Ren, Samantha M Thomas, Koumani W Ntowe, Laura H Rosenberger, Carolyn Menendez, Lars J Grimm, Akiko Chiba, Jennifer K Plichta","doi":"10.1007/s10549-025-07657-y","DOIUrl":"https://doi.org/10.1007/s10549-025-07657-y","url":null,"abstract":"<p><strong>Background: </strong>The risk of developing breast cancer up to age 80 for women with BRCA1/2 mutations is approximately 69-72%. The risk estimates, however, become labile in the later years of life. Many older BRCA1/2 mutation carriers who have not developed breast cancer continue to undergo high-risk surveillance. We evaluated breast cancers in women age ≥ 70 and identified which modality diagnosed the malignancy.</p><p><strong>Methods: </strong>Females with BRCA1/2 mutations identified between 1996 and 2022 were included in this single institution retrospective review. The cohort was divided by age at BRCA1/2 diagnosis (30-59, 60-69 & ≥ 70). The number of malignancies and imaging modality which led to the diagnosis were recorded.</p><p><strong>Results: </strong>There were 316 patients with BRCA1/2 mutations: 266/316 (84.2%) were 30-59 years old at the time of genetic testing, 35/316 (11.1%) were 60-69, and 15/316 (4.7%) were ≥ 70. Median follow-up was 57 months (IQR 21.6-114.6). There were 178 (56.3%) breast malignancies diagnosed; 161/266 (60.5%) age 30-59, 11/35 (31.4%) ages 60-69, and 6/15 (40%) age ≥ 70 (p = 0.002). Of patients with a malignant diagnosis (n = 178), 140/178 (78.7%) had their cancers discovered on either screening or diagnostic mammogram, 30/178 (16.9%) by MRI, 1 /178 (0.6%) on ultrasound, and 1/178 (0.6%) was discovered on surgical pathology. Of the breast cancers diagnosed in patients age ≥ 70, 66.7% (4/6) were found on mammogram.</p><p><strong>Conclusions: </strong>In women ≥ 70 with BRCA1/2 mutations, mammograms may be sufficient surveillance. Given that a number of older BRCA1/2 carriers may never develop breast cancer, our data supports individualized care and consideration for de-escalated surveillance in those ≥ 70.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143522627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}