prophylactic mastectomy
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Lymphology ◽  
2022 ◽  
Vol 54 (3) ◽  
Author(s):  
S.A. Roberts ◽  
C.L. Brunelle ◽  
T.C. Gillespie ◽  
A.M. Shui ◽  
K.M. Daniell ◽  
...  

Patients treated for breast cancer are at risk of developing breast cancer-related lymphedema (BCRL). A significant proportion of patients treated for breast cancer are opting to undergo a contralateral prophylactic mastectomy (CPM). Currently, it remains unclear as to whether the relative volume change (RVC) equation may be used as an alternative to the weight adjusted change (WAC) equation to quantify BCRL in patients who undergo CPM. In order to simplify BCRL screening, our cohort of patients who underwent a CPM (n=310) was matched by BMI to a subset of patients who underwent unilateral breast surgery (n=310). Arm volume measurements were obtained via an optoelectronic perometer preoperatively, postoperatively, and in the follow-up setting every 6-12 months. The correlation of ipsilateral RVC and WAC values for those who underwent bilateral surgery was calculated (r=0.60). Contralateral WAC values for patients in both cohorts were compared, and there was no significant difference between the two distributions in variance (p=0.446). The RVC equation shows potential to be used to quantify ipsilateral postoperative arm volume changes for patients who undergo a CPM. However, a larger trial in which RVC and WAC values are prospectively assessed is needed.


2021 ◽  
Vol 149 (1) ◽  
pp. 52-56
Author(s):  
David M. Lesniak ◽  
Isabelle Sarfati ◽  
Ineke Meredith ◽  
Jenny Millochau ◽  
Kuan-Chi Wang ◽  
...  

2021 ◽  
Author(s):  
Maryam Nemati Shafaee ◽  
Kristina Goutsouliak ◽  
Heather Lin ◽  
Therese B Bevers ◽  
Angelica Gutierrez-Barrera ◽  
...  

Abstract Background: Deleterious BRCA mutations confer a significant lifetime risk of breast cancer (BC) as well as contralateral BC (CBC) in patients who do not undergo prophylactic mastectomy. Prior reports have suggested that tamoxifen reduces the risk of CBC in BRCA mutation carriers. Whether aromatase inhibitors (AI) have the same effect is unknown. Methods: This is a retrospective review of patients diagnosed with non-metastatic ER+ BC between 2004-2014 with known BRCA mutation status. Patients were followed from primary diagnosis until CBC diagnosis or death. Median follow up was 11.5 years. Risk of CBC was evaluated as time to event. Results: 935 subjects were included in this analysis, with 53 BRCA1 mutation carriers, and 94 BRCA2 mutation carriers. Median age at diagnosis was 42.7 years. Seventy-two percent (676) received tamoxifen and 43% (405) received AI. A total of 66 CBCs occurred, of which 10% (15/147) occurred in BRCA mutation carriers vs %6.5 (51/788) in BRCA wild type. Multivariate analyses indicated that BRCA status and AI use were significantly associated with CBC risk. AI use resulted in a significant reduction in risk of CBC (HR 0.44, p=0.004) regardless of the BRCA mutation status. Tamoxifen use was not associated with reduced risk of CBC. Conclusions: This is the first report showing that AIs reduce the risk of CBC in BRCA mutation carriers. The potential role of AIs as chemoprevention should be validated in larger independent cohorts.


2021 ◽  
pp. 028418512110589
Author(s):  
Märta A Skoglund ◽  
Magnus N Andersson ◽  
Annika Björkgren ◽  
Ernst Tolocka ◽  
Malin Sund ◽  
...  

Background There are no published international consensus or guideline documents regarding appropriate medical follow-up for women with hereditary increased risk of breast cancer who opt for prophylactic mastectomy. Moreover, it is not known whether breast magnetic resonance imaging (MRI) performed after a prophylactic mastectomy is a reproducible method for evaluating whether clinically relevant amounts of residual glandular tissue remains. Purpose To evaluate the inter- and intra-observer agreement on detecting residual glandular tissue with MRI. Material and Methods In total, 40 women previously operated with prophylactic mastectomy underwent MRI and two breast radiologists (R1 and R2) independently assessed the presence of residual glandular tissue. Inter- and intra-rater agreements were assessed using Cohen's kappa (k). Results Residual glandular tissue was found in 69 of 248 quadrants (27.8%) and 32 of 62 breasts (51.6%) by R1 and 77 of 248 quadrants (31.1%) and 35 of 62 breasts (56.5%) by R2. The interrater agreement was observed to be moderate (k = 0.554) and the intra-rater agreement was observed to be substantial (k = 0.623). Conclusion In conclusion, the inter-and intra-rater observer agreement in regard to detection of residual glandular tissue was not excellent, which would be desirable for a method considered reproducible enough to be used as a surveillance tool after the surgical procedure in order to ensure that there is no relevant residual glandular tissue remaining warranting further follow-up. More research is needed, as well as establishment of precise protocols, before using the method in risk assessment of remaining glandular tissue and breast cancer risk.


2021 ◽  
Vol 233 (5) ◽  
pp. 606-618.e1
Author(s):  
Meghana G. Shamsunder ◽  
Hina Panchal ◽  
Melissa Pilewskie ◽  
Clara Lee ◽  
Shantanu N. Razdan ◽  
...  

2021 ◽  
Author(s):  
Vicky Ro ◽  
Julia E. McGuinness ◽  
Boya Guo ◽  
Meghna S. Trivedi ◽  
Tarsha Jones ◽  
...  

PURPOSE Increasing usage of multigene panel testing has identified more patients with pathogenic or likely pathogenic (P or LP) variants in low-moderate penetrance genes or variants of uncertain significance (VUS). Our study evaluates the association between genetic test results and contralateral prophylactic mastectomy (CPM) among patients with breast cancer. METHODS We conducted a retrospective cohort study among women diagnosed with unilateral stage 0-III breast cancer between 2013 and 2020 who underwent genetic testing. We examined whether genetic test results were associated with CPM using multivariable logistic regression models. RESULTS Among 707 racially or ethnically diverse women, most had benign or likely benign (B or LB) variants, whereas 12.5% had P or LP and 17.9% had VUS. Racial or ethnic minorities were twice as likely to receive VUS. Patients with P or LP variants had higher CPM rates than VUS or B or LB (64.8% v 25.8% v 25.9%), and highest among women with P or LP variants in high-penetrance genes (74.6%). On multivariable analysis, P or LP compared with B or LB variants were significantly associated with CPM (odds ratio = 4.24; 95% CI, 2.48 to 7.26). CONCLUSION Women with P or LP variants on genetic testing were over four times more likely to undergo CPM than B or LB. Those with VUS had similar CPM rates as B or LB. Our findings suggest appropriate genetic counseling and communication of cancer risk to multiethnic breast cancer survivors.


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