scholarly journals To Look or Not to Look? Yes to Nodal US!

Author(s):  
Gaiane M Rauch ◽  
Henry M Kuerer ◽  
Maxine S Jochelson

Abstract Knowledge of axillary nodal status is highly important for correct staging and treatment planning in patients with breast cancer. Axillary US is a recognized highly specific and cost-effective tool for assessing nodal status and guiding appropriate treatment. Axillary US imaging with US-guided biopsy is routinely performed throughout the world. However, because of recent developments in the surgical management of the axilla in patients with newly diagnosed breast cancer (American College of Surgeons Oncology Group [ACOSOG] Z0011 trial) and in patients with breast cancer receiving neoadjuvant systemic therapy (ACOSOG Z1071, SENTinel NeoAdjuvant [SENTINA] and Sentinel Node biopsy aFter NeoAdjuvant Chemotherapy [SN FNAC] trials), some have questioned the utility of axillary US for nodal staging. Here, we review the evidence to date supporting the additional value of axillary US for patients with breast cancer. Nodal US in patients with newly diagnosed breast cancer is useful for staging; in a significant proportion of patients, nodal US identifies additional axillary level II or level III nodal disease, which allows for appropriate treatment of disease. Furthermore, ongoing clinical trials may show that axillary surgery can be omitted in patients with negative findings on axillary US. In patients with lymph node–positive disease undergoing neoadjuvant systemic therapy, nodal US can guide the approach to axillary surgery. A more personalized patient approach, taking into the account tumor biology, among other factors, may help to mitigate the controversy surrounding the role of axillary US in breast cancer patients.

Cancers ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 2447
Author(s):  
Renée W. Y. Granzier ◽  
Abdalla Ibrahim ◽  
Sergey P. Primakov ◽  
Sanaz Samiei ◽  
Thiemo J. A. van Nijnatten ◽  
...  

This retrospective study investigated the value of pretreatment contrast-enhanced Magnetic Resonance Imaging (MRI)-based radiomics for the prediction of pathologic complete tumor response to neoadjuvant systemic therapy in breast cancer patients. A total of 292 breast cancer patients, with 320 tumors, who were treated with neo-adjuvant systemic therapy and underwent a pretreatment MRI exam were enrolled. As the data were collected in two different hospitals with five different MRI scanners and varying acquisition protocols, three different strategies to split training and validation datasets were used. Radiomics, clinical, and combined models were developed using random forest classifiers in each strategy. The analysis of radiomics features had no added value in predicting pathologic complete tumor response to neoadjuvant systemic therapy in breast cancer patients compared with the clinical models, nor did the combined models perform significantly better than the clinical models. Further, the radiomics features selected for the models and their performance differed with and within the different strategies. Due to previous and current work, we tentatively attribute the lack of improvement in clinical models following the addition of radiomics to the effects of variations in acquisition and reconstruction parameters. The lack of reproducibility data (i.e., test-retest or similar) meant that this effect could not be analyzed. These results indicate the need for reproducibility studies to preselect reproducible features in order to properly assess the potential of radiomics.


Author(s):  
Leisha C. Elmore ◽  
Henry M. Kuerer ◽  
Carlos H. Barcenas ◽  
Benjamin D. Smith ◽  
Makesha V. Miggins ◽  
...  

Cancers ◽  
2020 ◽  
Vol 12 (12) ◽  
pp. 3698
Author(s):  
Toralf Reimer ◽  
Aenne Glass ◽  
Edoardo Botteri ◽  
Sibylle Loibl ◽  
Oreste D. Gentilini

Currently, axillary surgery for breast cancer is considered only as staging procedure, since the risk of developing metastasis depends on the biological behavior of the primary. The postsurgical therapy should be considered on the basis of biologic tumor characteristics rather than nodal involvement. Improvements in systemic treatments for breast cancer have increased the rates of pathologic complete response (pCR) in patients receiving neoadjuvant systemic therapy (NAST), offering the opportunity to de-escalate surgery in patients who have a pCR. European Breast Cancer Research Association of Surgical Trialists (EUBREAST)-01 is a clinical trial in which only patients with the highest likelihood of having a pCR after NAST (triple-negative or HER2-positive breast cancer) will be included and type of surgery will be defined according to the response to NAST rather than on the classical T (for tumor size in the breast) and N (for axillary lymph node involvement) status. In the discussed trial, axillary surgery will be eliminated completely (no axillary sentinel lymph node biopsy) for initially clinical node-negative (cN0) patients with radiologic complete remission and a breast pCR in the lumpectomy specimen. The trial design is a multicenter single-arm study with a limited number of patients (n = 267), which might give practice-changing results in a short period of time, sparing the time and the costs of a randomized comparison.


Author(s):  
Boris Krastev ◽  
Constanta Timcheva ◽  
Spartak Valev ◽  
Georgi Zhbantov ◽  
Mila Petrova ◽  
...  

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. TPS593-TPS593 ◽  
Author(s):  
Marieke Van Der Noordaa ◽  
Frederieke van Duijnhoven ◽  
Claudette Loo ◽  
Koen van der Vijver ◽  
Gabe S. Sonke ◽  
...  

TPS593 Background: Improvements in systemic treatments for breast cancer patients has led to increasing rates of pathologic complete response (pCR). In addition, the identification of a pCR has been greatly improved with magnetic resonance imaging (MRI). In patients with a pCR, surgical resection of (part of) the original tumor area is performed to confirm the absence or presence of pCR and is not likely to contribute to locoregional control. With the MICRA trial (Minimally Invasive Complete Response Assessment) we aim to omit breast surgery in breast cancer patients achieving pathologic complete response (pCR) after neoadjuvant systemic therapy (NST) using biopsies, thus preventing overtreatment and improving quality of life. Methods: The MICRA trial is a multi-center observational prospective cohort study. In all breast cancer patients receiving NST, a marker is placed in the center of the tumor area before NST. 440 patients with radiologic complete response or partial response (0.1-2.0 cm residual contrast enhancement, ≥30% decrease in tumor size according to RECIST criteria) on contrast enhanced MRI will be included in the MICRA trial. Patients with hormone receptor positive, triple negative and Human Epidermal growth factor Receptor 2 tumors are eligible. After NST, 8 ultrasound-guided biopsies are obtained in the region surrounding the marker, while the patient is under general anesthesia. Immediately hereafter, breast surgery is performed and pathology results of the biopsies and resected specimens are compared. The primary endpoint is specificity of post-NST biopsies. In addition, sensitivity and positive and negative predictive value will be calculated. We will perform a multivariable analysis using data on MRI and ultrasound findings, pre-NST pathology parameters and post-NST biopsy results to determine what the most reliable method is to assess pCR and how many biopsies are needed for this purpose. Conclusion: With the MICRA-trial we aim to select a group of breast cancer patients in whom surgery of the breast after NST can be omitted, by predicting the presence of a pCR on biopsies. Clinical trial information: NTR6120.


2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 567-567
Author(s):  
Hans-Christian Kolberg ◽  
Thorsten Kühn ◽  
Maja Krajewska ◽  
Ingo Bauerfeind ◽  
Tanja N. Fehm ◽  
...  

567 Background: Current study concepts in early breast cancer after neoadjuvant chemotherapy (NAT) are aiming at reducing morbidity by omission of axillary surgery in selected patients. Selection criteria for this strategy have to include the probability of conversion from cN1 to ycN0. We analyzed the association of clinical/pathological parameters and axillary conversion with data from arms C and D of the SENTINA trial (Kühn T et al., Lancet Oncol 2013). Methods: Patients were recruited to Arms C/D of the SENTINA trial in case they presented with clinically positive nodes before NAT. Based on their response to NAT they were then assigned to either arm C (clinically conversion to ycN0) or arm D (no clinical conversion (ycN+). In both the pre- and post-NAT scenarios, clinically involved lymph nodes were defined as palpable and/or suspect by ultrasound. Univariate logistic regression analyses were carried out to evaluate the association between clinical/pathological parameters and axillary conversion after NAT. Results: Of the 892 patients in arms C and D of the SENTINA trial 716 were evaluable for this analysis. After NAT, 593 patients converted to ycN0 and were therefore assigned to arm C; in contrast, 123 patients still had involved lymph nodes after NAT (ycN+) and were assigned to Arm D. Arms C and D were compared regarding the clinical/pathological parameters tumor diameter by ultrasound before and after NAT, grading, multifocality, ER status, PR status, HER2 status, pathological complete remission in the breast (breast pCR), morphology, lymphovascular invasion (LVI) and hemangiosis. Only small tumor diameter after NAT (p = 0.0038), achievement of breast pCR (p = 0.0001) and lack of LVI (p = 0.0009) were positively associated with axillary conversion from cN1 to ycN0 after NAT. Conclusions: Because of the small patient number in arm D, we were not able to identify an association between parameters of tumor biology (ER, PR, HER2 and TN status) and axillary conversion. However, favorable response of the primary tumor (represented both clinically by tumor diameter after NAT and pathologically by pCR in the breast) were positively associated with conversion from cN1 to ycN0. These results justify including patients with clinical and pathological response of the primary tumor in trials investigating de-escalation of axillary surgery after NAT.


2020 ◽  
Vol 46 (2) ◽  
pp. e23-e24
Author(s):  
Ariane Van Loevezijn ◽  
Gonneke H.A.O. Winter - Warnars ◽  
Marieke E.M. van der Noordaa ◽  
Genevieve S. Hernandez ◽  
Christiaan de Bloeme ◽  
...  

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