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James J, Law M, Sengupta S, Saunders C. Assessment of the axilla in women with early-stage breast cancer undergoing primary surgery: a review. World J Surg Oncol 2024; 22:127. [PMID: 38725006 PMCID: PMC11084006 DOI: 10.1186/s12957-024-03394-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 04/28/2024] [Indexed: 05/12/2024] Open
Abstract
Sentinel node biopsy (SNB) is routinely performed in people with node-negative early breast cancer to assess the axilla. SNB has no proven therapeutic benefit. Nodal status information obtained from SNB helps in prognostication and can influence adjuvant systemic and locoregional treatment choices. However, the redundancy of the nodal status information is becoming increasingly apparent. The accuracy of radiological assessment of the axilla, combined with the strong influence of tumour biology on systemic and locoregional therapy requirements, has prompted many to consider alternative options for SNB. SNB contributes significantly to decreased quality of life in early breast cancer patients. Substantial improvements in workflow and cost could accrue by removing SNB from early breast cancer treatment. We review the current viewpoints and ideas for alternative options for assessing and managing a clinically negative axilla in patients with early breast cancer (EBC). Omitting SNB in selected cases or replacing SNB with a non-invasive predictive model appear to be viable options based on current literature.
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Affiliation(s)
- Justin James
- Eastern Health, Melbourne, Australia.
- Monash University, Melbourne, Australia.
- Department of Breast and Endocrine Surgery, Maroondah Hospital, Davey Drive, Ringwood East, Melbourne, VIC, 3135, Australia.
| | - Michael Law
- Eastern Health, Melbourne, Australia
- Monash University, Melbourne, Australia
| | - Shomik Sengupta
- Eastern Health, Melbourne, Australia
- Monash University, Melbourne, Australia
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Ataş H, Altun Özdemir B, Menekşe E, Özden S, Yüksek YN, Dağlar G. Associated Features with Non-Sentinel Lymph Node Involvement in Early Stage Breast Cancer Patients who Have Positive Macrometastatic Sentinel Lymph Node. Eur J Breast Health 2020; 16:192-197. [PMID: 32656519 DOI: 10.5152/ejbh.2020.5332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 01/28/2020] [Indexed: 11/22/2022]
Abstract
Objective The main goal of this study is to determine the clinico-pathological factors that correlate non-sentinel lymph nodes (LNs) involvement in clinically node negative breast cancer (BC) patients with positive macrometastatic sentinel lymph node (SLN) in order to derive future evidence to define a subgroup where completion axillary lymph node dissection (cALND) might not be recommended. Materials and Methods Total 289 SLN biopsies were performed in clinically node negative BC patients between March 2014 and April 2017. Seventy patients who performed cALND due to positive macrometastatic SLN were retrospectively selected and classified into two groups, according to non-SLN involvement (NSLNI). Clinico-pathological features of patients were examined computerized and documentary archives. Results Extracapsular extension (ECE) of SLN, number of harvested SLNs, metastatic rate of SLNs, absence of ductal carcinoma in situ (DCIS) and presence of multilocalization were significantly associated with the likelihood of non-SLN involvement after univariate analysis (p<0,05). Absence of DCIS and presence of multilocalization were found to be significant after multivariate analysis. Conclusion Careful examination of clinico-pathological features can help to decide avoiding cALND if enough LNs are removed and the rate of SLN metastases is low, particularly in case DCIS accompanying invasive cancer in patients without multi localized tumour.
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Affiliation(s)
- Hakan Ataş
- Clinic of Breast and Endocrine Surgery, Ankara City Hospital, Ankara, Turkey
| | - Buket Altun Özdemir
- Clinic of Breast and Endocrine Surgery, Ankara City Hospital, Ankara, Turkey
| | - Ebru Menekşe
- Clinic of Breast and Endocrine Surgery, Ankara City Hospital, Ankara, Turkey
| | - Sabri Özden
- Clinic of Breast and Endocrine Surgery, Ankara City Hospital, Ankara, Turkey
| | - Yunus Nadi Yüksek
- Clinic of Breast and Endocrine Surgery, Ankara City Hospital, Ankara, Turkey
| | - Gül Dağlar
- Clinic of Breast and Endocrine Surgery, Ankara Numune Research and Training Hospital, Ankara, Turkey
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Sentinel node total tumour load as a predictive factor for non-sentinel node status in early breast cancer patients - The porttle study. Surg Oncol 2019; 32:108-114. [PMID: 31987574 DOI: 10.1016/j.suronc.2019.11.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/02/2019] [Accepted: 11/25/2019] [Indexed: 11/21/2022]
Abstract
OSNA is a molecular assay for the detection of sentinel node metastasis. TTL emerged as a concept that seems to accurately predict the status of the NSN. Authors tried to confirm this motion. This is a retrospective and multicentric study that analyzed 2164 patients, 579 of whom had positive SN and completion AD. Logistic regression models were performed in order to identify a suitable cutoff to identify patients who benefit from AD. Univariate and multivariate regression analysis showed a relationship between TTL>30000 and the presence of NSN metastasis (OR 2.84, CI 1.99-4.08, p < 0.001). Logistic regression indicated that the cutoff of 30000 copies/μL better discriminates patients with NSN positivity and allows wide use of these criteria. This cutoff value may safely assist clinicians and patients to decide to proceed or not with an AD.
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Loza CM, Mandó P, Ponce C, Coló F, Fabiano V, Loza J, Costanzo MV, Nervo A, Nadal J, Nuñez de Pierro A, Chacon R, Contributors RD. Predictive Factors for Non-Sentinel Lymph Node Metastasis in Patients with ACOSOG Z0011 Criteria. Breast Care (Basel) 2018; 13:434-438. [PMID: 30800038 DOI: 10.1159/000488277] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background Nodal staging constitutes an element of great importance in the treatment planning for early breast cancer. The ACOSOG Z0011 trial demonstrated that sentinel lymph node (SLN) biopsy alone results in rates of local control, disease-free survival, and overall survival equivalent to those seen after axillary lymph node dissection. The purpose of this study was to determine the rate of patients that fulfill the ACOSOG Z0011 inclusion criteria and to define predictive factors for non-SLN positivity. Methods A retrospective analysis of the breast surgery database of the Argentinian Society of Mastology was carried out. Patients were selected if they fulfilled the ACOSOG Z0011 inclusion criteria. The association of clinical and pathological factors with non-SLN positivity was evaluated in univariate and multivariate analysis. Results Among 8,262 patients, 973 had positive SLN, and 348 satisfied the inclusion criteria. Histological grade (G3 vs. G1-2, odds ratio (OR) 1.81; p = 0.024), tumor size (T2 vs. T1, OR 2.39; p = 0.001), and age (>50 vs. <50 years, OR 1.95; p = 0.007) were associated with non-SLN positivity in multivariate analysis. Conclusion Although the clinical relevance of our data is not established, older women with tumors bigger than 2 cm and/or high histological grade are at greater risk of having metastatic disease in the lymph nodes if axillary lymph node dissection is avoided. This subgroup of patients represents only 30% of the trial population.
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Affiliation(s)
| | - Pablo Mandó
- Fundación Cancer-FUCA, Buenos Aires, Argentina.,CEMIC, Buenos Aires, Argentina
| | | | - Federico Coló
- Instituto Alexander Fleming, Buenos Aires, Argentina
| | | | - Jose Loza
- Instituto Alexander Fleming, Buenos Aires, Argentina
| | | | - Adrian Nervo
- Instituto Alexander Fleming, Buenos Aires, Argentina
| | - Jorge Nadal
- Instituto Alexander Fleming, Buenos Aires, Argentina
| | | | | | - Rcm Database Contributors
- Instituto Alexander Fleming, Buenos Aires, Argentina.,Fundación Cancer-FUCA, Buenos Aires, Argentina.,CEMIC, Buenos Aires, Argentina.,Hospital JA Fernandez, Buenos Aires, Argentina
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Carcoforo P, Bergossi L, Basaglia E, Soliani G, Querzoli P, Zambrini E, Pozza E, Feggi L. Prognostic and Therapeutic Impact of Sentinel Node Micrometastasis in Patients with Invasive Breast Cancer. TUMORI JOURNAL 2018; 88:S4-5. [PMID: 12365385 DOI: 10.1177/030089160208800319] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims and Background Locoregional lymph node status is one of the most important prognostic factors determining the need for adjuvant chemotherapy in patients with breast cancer. Many authors have reported that micrometastases were not detected by routine sectioning of lymph nodes but were identified by multiple sectioning and additional staining. Among lymph node-negative patients 15-20% had an unfavorable outcome at five years from primary surgery. Sentinel lymph node (SLN) biopsy is an accurate technique for identifying axillary metastases because the pathologist utilizes hematoxylin-eosin (H-E) staining together with immunohistochemistry (IH) to examine all lymph node sections. Sentinel node micrometastasis has therefore become an important tumor-related prognostic factor. Methods and Study Design From November 1997 to October 2001 we examined in 210 patients the pathological features of primary breast lesions and SLN metastases and we correlated these with the tumor status of non-SLNs in the same axillary basin. We applied IH examination to both SLNs and non-SLNs of patients who were negative for metastasis by standard H-E examination. Results In this study lymph node staging was based on SLN findings, primary tumor size, and the presence of peritumoral lymphovascular invasion (LVI). We found 18 SLN micrometastases (9%) in 210 patients and one of these (5.5% of patients with SLN micrometastasis) also had one non-SLN metastasis: this patient had LVI and a larger primary tumor than patients with SLN micrometastasis without non-SLN metastasis. We also found 24 SLN macrometastases (11.5%) in 210 patients and 13 of these (54.2% of patients with SLN macrometastases) had one or more non-SLN metastases. Conclusions According to the results reported in the literature, tumor cells are unlikely to be found in non-SLNs when the primary lesion is small and SLN involvement micrometastatic (5.5% in our experience, 7% in Giuliano's). Our findings suggest that axillary lymph node dissection may not be necessary in patients with SLN micrometastasis from T1 lesions.
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Affiliation(s)
- P Carcoforo
- Department of Surgical Sciences, University of Ferrara, Italy
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Attene F, Paliogiannis P, Scognamillo F, Trignano E, Pala C, Trignano M. Axillary Lymph Node Dissection in Patients with Breast Cancer and Sentinel Lymph Node Micrometastasis or Isolated Tumor Cells: Is it Necessary? TUMORI JOURNAL 2018; 98:320-3. [DOI: 10.1177/030089161209800307] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Aims and background Sentinel lymph node biopsy is the standard method for axillary lymph node staging in patients with early stage breast cancer. The aim of the study was to evaluate the necessity of axillary lymph node dissection in patients with breast cancer and sentinel lymph node micrometastasis or isolated tumor cells. Methods Sentinel lymph node biopsy was performed in 136 patients for breast cancer staging: 16 of them (11.7%) were found to have micrometastasis or isolated tumor cells and underwent axillary lymph node dissection. Micrometastases were considered when tumor invasion was <2 mm and >0.2 mm in diameter and isolated tumor cells when detected alone or in clusters of <0.2 mm in diameter. The dissection of the three axillary lymph node levels of Berg was performed in all cases. Results Two patients (12.5%) presented isolated tumor cells and 14 (87.5%) micrometastasis in the sentinel lymph node. Among them, 25% presented nonsentinel axillary lymph node tumor invasion, whereas 75% had no further nodal involvement. Conclusions Results suggest that micrometastasis or isolated tumor cells of the sentinel lymph node represent the only site of cancer involvement of the axilla, especially in patients with early breast tumors, and that axillary lymph node dissection may be unnecessary in these cases and represent an overtreatment.
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Affiliation(s)
- Federico Attene
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
| | - Panagiotis Paliogiannis
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
| | - Fabrizio Scognamillo
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
| | - Emilio Trignano
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
| | - Carlo Pala
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
| | - Mario Trignano
- Department of Surgical, Microsurgical and Medical
Sciences, University of Sassari, Sassari, Italy
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Brahma B, Putri RI, Karsono R, Andinata B, Gautama W, Sari L, Haryono SJ. The predictive value of methylene blue dye as a single technique in breast cancer sentinel node biopsy: a study from Dharmais Cancer Hospital. World J Surg Oncol 2017; 15:41. [PMID: 28173818 PMCID: PMC5297091 DOI: 10.1186/s12957-017-1113-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 02/01/2017] [Indexed: 01/25/2023] Open
Abstract
Background Axillary lymph node dissection (ALND) has been the standard treatment of breast cancer axillary staging in Indonesia. The limited facilities of radioisotope tracer and isosulfan or patent blue dye (PBD) have been the major obstacles to perform sentinel node biopsy (SNB) in our country. We studied the application of 1% methylene blue dye (MBD) alone for SNB to overcome the problem. Methods This prospective study enrolled 108 patients with suspicious malignant lesions or breast cancer stages I–III. SNB was performed using 2–5 cc of 1% MBD and proceeded with ALND. The histopathology results of sentinel nodes (SNs) were compared with axillary lymph nodes (ALNs) for diagnostic value assessments. Results There were 96 patients with invasive carcinoma from July 2012 to September 2014 who were included in the final analysis. The median age was 50 (25–69) years, and the median pathological tumor size was 3 cm (1–10). Identification rate of SNs was 91.7%, and the median number of the identified SNs was 2 (1–8). Sentinel node metastasis was found in 53.4% cases and 89.4% of them were macrometastases. The negative predictive value (NPV) of SNs to predict axillary metastasis was 90% (95% CI, 81–99%). There were no anaphylactic reactions, but we found 2 cases with skin necrosis. Conclusions The application of 1% MBD as a single technique in breast cancer SNB has favorable identification rates and predictive values. It can be used for axillary staging, but nevertheless the technique should be applied with attention to the tumor size and grade to avoid false negative results.
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Affiliation(s)
- Bayu Brahma
- Department of Surgical Oncology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia. .,Department of Surgical Oncology, Bogor City General Hospital, Jalan DR. Semeru No. 120, West Bogor, West Java, 16112, Indonesia.
| | - Rizky Ifandriani Putri
- Department of Anatomical Pathology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia
| | - Ramadhan Karsono
- Department of Surgical Oncology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia.,Departement of Surgical Oncology, Mochtar Riady Comprehensive Cancer Center (MRCCC) Siloam Hospital, Jalan Garnisun Dalam No. 2-3, Semanggi, Central Jakarta, 12930, Indonesia
| | - Bob Andinata
- Department of Surgical Oncology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia
| | - Walta Gautama
- Department of Surgical Oncology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia
| | - Lenny Sari
- Department of Anatomical Pathology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia
| | - Samuel J Haryono
- Department of Surgical Oncology, Dharmais Cancer Hospital, Jalan. Let. Jend. S. Parman Kav. 84-86, Jakarta, 11420, Indonesia.,Departement of Surgical Oncology, Mochtar Riady Comprehensive Cancer Center (MRCCC) Siloam Hospital, Jalan Garnisun Dalam No. 2-3, Semanggi, Central Jakarta, 12930, Indonesia
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Di Filippo F, Di Filippo S, Ferrari AM, Antonetti R, Battaglia A, Becherini F, Bernet L, Boldorini R, Bouteille C, Buglioni S, Burelli P, Cano R, Canzonieri V, Chiodera P, Cirilli A, Coppola L, Drago S, Di Tommaso L, Fenaroli P, Franchini R, Gianatti A, Giannarelli D, Giardina C, Godey F, Grassi MM, Grassi GB, Laws S, Massarut S, Naccarato G, Natalicchio MI, Orefice S, Palmieri F, Perin T, Roncella M, Roncalli MG, Rulli A, Sidoni A, Tinterri C, Truglia MC, Sperduti I. Elaboration of a nomogram to predict nonsentinel node status in breast cancer patients with positive sentinel node, intraoperatively assessed with one step nucleic amplification: Retrospective and validation phase. J Exp Clin Cancer Res 2016; 35:193. [PMID: 27931238 PMCID: PMC5146809 DOI: 10.1186/s13046-016-0460-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 11/19/2016] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Tumor-positive sentinel lymph node (SLN) biopsy results in a risk of non sentinel node metastases in micro- and macro-metastases ranging from 20 to 50%, respectively. Therefore, most patients underwent unnecessary axillary lymph node dissections. We have previously developed a mathematical model for predicting patient-specific risk of non sentinel node (NSN) metastases based on 2460 patients. The study reports the results of the validation phase where a total of 1945 patients were enrolled, aimed at identifying a tool that gives the possibility to the surgeon to choose intraoperatively whether to perform or not axillary lymph node dissection (ALND). METHODS The following parameters were recorded: Clinical: hospital, age, medical record number; Bio pathological: Tumor (T) size stratified in quartiles, grading (G), histologic type, lymphatic/vascular invasion (LVI), ER-PR status, Ki 67, molecular classification (Luminal A, Luminal B, HER-2 Like, Triple negative); Sentinel and non-sentinel node related: Number of NSNs removed, number of positive NSNs, cytokeratin 19 (CK19) mRNA copy number of positive sentinel nodes stratified in quartiles. A total of 1945 patients were included in the database. All patient data were provided by the authors of this paper. RESULTS The discrimination of the model quantified with the area under the receiver operating characteristics (ROC) curve (AUC), was 0.65 and 0.71 in the validation and retrospective phase, respectively. The calibration determines the distance between predicted outcome and actual outcome. The mean difference between predicted/observed was 2.3 and 6.3% in the retrospective and in the validation phase, respectively. The two values are quite similar and as a result we can conclude that the nomogram effectiveness was validated. Moreover, the ROC curve identified in the risk category of 31% of positive NSNs, the best compromise between false negative and positive rates i.e. when ALND is unnecessary (<31%) or recommended (>31%). CONCLUSIONS The results of the study confirm that OSNA nomogram may help surgeons make an intraoperative decision on whether to perform ALND or not in case of positive sentinel nodes, and the patient to accept this decision based on a reliable estimation on the true percentage of NSN involvement. The use of this nomogram achieves two main gools: 1) the choice of the right treatment during the operation, 2) to avoid for the patient a second surgery procedure.
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Affiliation(s)
- Franco Di Filippo
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy
| | | | | | | | | | | | | | | | | | - Simonetta Buglioni
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy
| | | | - Rafael Cano
- Hospital Universitario de La Ribera, Alzira, Spain
| | | | | | | | | | | | | | | | - Roberto Franchini
- Azienda Ospedaliera “Maggiore della Carità” di Novara, Novara, Italy
| | | | - Diana Giannarelli
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy
| | | | | | | | | | - Siobhan Laws
- Hampshire Hospitals NHS Foundation Trust, England, UK
| | | | | | | | | | | | | | | | | | | | | | | | | | - Isabella Sperduti
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144 Rome, Italy
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Uyan M, Koca B, Yuruker S, Ozen N. Effect of Neoadjuvant Chemotherapy on Axillary Lymph Node Positivity and Numbers in Breast Cancer Cases. Asian Pac J Cancer Prev 2016; 17:1181-5. [PMID: 27039745 DOI: 10.7314/apjcp.2016.17.3.1181] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The aim of this study is to compare the numbers of axillary lymph nodes (ALN) taken out by dissection between patients with breast cancer operated on after having neoadjuvant chemotherapy (NAC) treatment and otherswithout having neoadjuvant chemotherapy, and to investigate factors affecting lymph node positivity. MATERIALS AND METHODS A total of 49 patients operated due to advanced breast cancer after neoadjuvant chemotherapy and 144 patients with a similar stage of the cancer having primary surgical treatment without chemotherapy at the general surgery clinic of Ondokuz Mayis University Medicine Faculty between the dates 01.01.2006 and 31.10.2012 were included in the study. The total number of lymph nodes taken out by axillary dissection (ALND) was categorized as the number of positive lymph nodes and divided into <10 and ≥10. The variables to be compared were analysed using the program SPSS 15.0 with P<0.05 accepted as significant. RESULTS Median number of dissected lymph nodes from the patient group having neoadjuvant chemotherapy was 16 (16-33) while it was 20 (5-55) without chemotherapy. The respective median numbers of positive lymph nodes were 5 ( 0-19) and 10 (0-51). In 8 out of 49 neoadjuvant chemotherapy patients (16.3%), the number of dissected lymph nodes was below 10, and it was below 10 in 17 out of 144 primary surgery patients. Differences in numbers of dissected total and positive lymph nodes between two groups were significant, but this was not the case for numbers of <10 lymph nodes. CONCLUSIONS The number of dissected lymph nodes from the patients with breast cancer having neoadjuvant chemotherapy may be less than without chemotherapy. This may not always be attributed to an inadequate axillary dissection. More research to evaluate the numbers of positive lymph nodes are required in order to increase the reliability of staging in the patients with breast cancer undergoing neoadjuvant chemotherapy.
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Affiliation(s)
- Mikail Uyan
- Department of General Surgery, Ondokuz Mayis University, Faculty of Medicine, Samsun, Turkey E-mail :
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Factors Influencing Non-sentinel Node Involvement in Sentinel Node Positive Patients and Validation of MSKCC Nomogram in Indian Breast Cancer Population. Indian J Surg Oncol 2015; 6:337-45. [PMID: 27065658 DOI: 10.1007/s13193-015-0431-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 06/15/2015] [Indexed: 12/23/2022] Open
Abstract
Current guidelines recommend completion axillary lymphnode dissection (ALND) when sentinel lymphnode (SLN) contains metastatic tumor deposit. In consequent ALND sentinel node is the only node involved by tumor in 40-70 % of cases. Recent studies demonstrate the oncologic safety of omitting completion ALND in low risk patients. Several nomograms (MSKCC, Stanford, MD Anderson score, Tenon score) had been developed in predicting the likelihood of additional nodes metastatic involvement. We evaluated accuracy of MSKCC nomogram and other clinicopathologic variables associated with additional lymph node metastasis in our patients. A total of 334 patients with primary breast cancer patients underwent SLN biopsy during the period Jan 2007 to June 2014. Clinicopathologic variables were prospectively collected. Completion ALND was done in 64 patients who had tumor deposit in SLN. The discriminatory accuracy of nomogram was analyzed using Area under Receiver operating characteristic curve (ROC). SLN was the only node involved with tumor in 69 % (44/64) of our patients. Additional lymph node metastasis was seen in 31 % (20/64). On univariate analysis, extracapsular infiltration in sentinel node and multiple sentinel nodes positivity were significantly associated (p < 0.05) with additional lymph node metastasis in the axilla. Area under ROC curve for nomogram was 0.58 suggesting poor performance of the nomogram in predicting NSLN involvement. Sentinel nodes are the only nodes to be involved by tumor in 70 % of the patients. Our findings indicate that multiple sentinel node positivity and extra-capsular invasion in sentinel node significantly predicted the likelihood of additional nodal metastasis. MSKCC nomogram did not reliably predict the involvement of additional nodal metastasis in our study population.
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Xie F, Zhang D, Cheng L, Yu L, Yang L, Tong F, Liu H, Wang S, Wang S. Intradermal microbubbles and contrast-enhanced ultrasound (CEUS) is a feasible approach for sentinel lymph node identification in early-stage breast cancer. World J Surg Oncol 2015; 13:319. [PMID: 26585236 PMCID: PMC4653941 DOI: 10.1186/s12957-015-0736-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 11/12/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Microbubbles and contrast-enhanced ultrasound (CEUS) is a new technique for locating sentinel lymph node (SLN). The aim of this study is to explore the feasibility of SLNs tracing by CEUS using microbubbles in breast cancer patients and the value of enhancing patterns in diagnosing lymph nodes metastases. METHODS A clinical trial was registered (trial registration: ChiCTR-DDT-13003778). One hundred and one consecutive consenting patients with breast cancer undergoing SLN biopsy were enrolled. Before the surgery, microbubble was injected periareolarly. Lymphatic drainage pathway was detected by CEUS, and guidewire was deployed to locate the SLN before the operation. Blue dye was also used to help in tracing sentinel lymph node during the operation. The identification rate and the accuracy rate were recorded. Enhancing patterns of lymph nodes were recorded and compared with the pathological diagnosis. RESULTS Of the 101 cases, SLNs in 99 cases were successfully identified by at least one tracer, including 98 cases identified by CEUS and 97 cases by blue dye. There was no significant difference between the two methods (P = 0.705). Guidewires were deployed successfully in all 98 cases, and the localized SLNs were all isolated successfully in the following operations. The status of SLNs isolated by CEUS was completely identical to that of the whole axillary lymph node while 7.1 % cases were misdiagnosed as negative by blue dye method. The sensitivity of predicting SLNs metastases by CEUS enhancing pattern was 81.8 %, the specificity was 86.2 %, and the positive and negative predictive values were 75.0 and 90.3 %, respectively. CONCLUSIONS Microbubbles and CEUS are feasible approaches for SLN identification. The enhancing patterns on CEUS may be helpful to recognize the metastasizing SLNs. This novel method may be a promising technique for the clinical application.
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Affiliation(s)
- Fei Xie
- Department of Breast Disease, Peking University People's Hospital, Beijing, China.
| | - Dongjie Zhang
- Department of Breast Disease, Peking University People's Hospital, Beijing, China.
| | - Lin Cheng
- Department of Breast Disease, Peking University People's Hospital, Beijing, China.
| | - Lei Yu
- Department of Ultrasound Diagnosis, Peking University People's Hospital, Beijing, China.
| | - Li Yang
- Department of Ultrasound Diagnosis, Peking University People's Hospital, Beijing, China.
| | - Fuzhong Tong
- Department of Breast Disease, Peking University People's Hospital, Beijing, China.
| | - Hongjun Liu
- Department of Breast Disease, Peking University People's Hospital, Beijing, China.
| | - Shu Wang
- Department of Ultrasound Diagnosis, Peking University People's Hospital, Beijing, China.
| | - Shan Wang
- Department of Gastrointestinal Surgery, Peking University People's Hospital, Beijing, China.
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Di Filippo F, Giannarelli D, Bouteille C, Bernet L, Cano R, Cunnick G, Sapino A. Elaboration of a nomogram to predict non sentinel node status in breast cancer patients with positive sentinel node, intra-operatively assessed with one step nucleic acid amplification method. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2015; 34:136. [PMID: 26538019 PMCID: PMC4632276 DOI: 10.1186/s13046-015-0246-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 10/19/2015] [Indexed: 01/17/2023]
Abstract
BACKGROUNDS Tumor-positive sentinel node(SLN) biopsy results in a risk of nonsentinel node metastases in case of micro and macro metastases ranging from 20 to 50 %, respectively. Therefore, most patients underwent unnecessary axillary lymph node dissections. Thus, the development of a mathematical model for predicting patient-specific risk of non sentinel node(NSLN) metastases is strongly warranted. METHODS The following parameters were recorded: CLINICAL hospital, age, medical record number Bio-pathological: tumor (T) size, grading (G), multifocality, histological type, LVI, ER-PR status, HER-2, ki67, molecular classification (luminal A, luminal B, HER2 like, triple negative) Sentinel and nonsentinel lymph node related: number of removed SLNs, number of positive and negative SLNs, copy number of positive sentinel nodes, ratio: number of positive SLNs to number of removed SLNs, number of removed and number of positive nodes after ALND. A total of 2460 patients have been included in the database. All the patients have been provided by the authors of this paper. RESULTS Multivariate logistic regression analysis demonstrated that only the number of a CK19 mRNA copies (p < 0.0001), T size (p < 0.0001) and LVI (p < 0.0001) were associated with NSN metastases. The discrimination of the model, quantified with the area under the receiver operating characteristics curve, was 0.71 (95 %, C.I. 0.69-0.73), thus confirming a good level of reliability. CONCLUSIONS The nomogram may be employed by the surgeon as a decision making tool on whether to perform an intraoperative axillary lymph node dissection on breast cancer patients with SLN positive. The large population employed and the standardized method of measuring the value of CK19 mRNA copies are appropiate prerequisites for a reliable nomogram.
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Affiliation(s)
- F Di Filippo
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00134, Rome, Italy.
| | - D Giannarelli
- Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00134, Rome, Italy.
| | | | - L Bernet
- Hospital de Xàtiva, Valencia, Spain.
| | - R Cano
- Hospital de Alzira, Valencia, Spain.
| | - G Cunnick
- Wycombe General Hospital, Buckinghamshire, England.
| | - A Sapino
- Istituto di Candiolo - IRCCS, Fpo-Ircc., Turin, Italy. .,Dept of Medical Sciences - University of Turin, Turin, Italy.
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Moosavi SA, Abdirad A, Omranipour R, Hadji M, Razavi AE, Najafi M. Clinicopathologic features predicting involvement of non- sentinel axillary lymph nodes in Iranian women with breast cancer. Asian Pac J Cancer Prev 2015; 15:7049-54. [PMID: 25227789 DOI: 10.7314/apjcp.2014.15.17.7049] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Almost half of the breast cancer patients with positive sentinel lymph nodes have no additional disease in the remaining axillary lymph nodes. This group of patients do not benefit from complete axillary lymph node dissection. This study was designed to assess the clinicopathologic factors that predict non-sentinel lymph node metastasis in Iranian breast cancer patients with positive sentinel lymph nodes. MATERIALS AND METHODS The records of patients who underwent sentinel lymph node biopsy, between 2003 and 2012, were reviewed. Patients with at least one positive sentinel lymph node who underwent completion axillary lymph node dissection were enrolled in the present study. Demographic and clinicopathologic characteristics including age, primary tumor size, histological and nuclear grade, lymphovascular invasion, perineural invasion, extracapsular invasion, and number of harvested lymph nodes, were evaluated. RESULTS The data of 167 patients were analyzed. A total of 92 (55.1%) had non-sentinel lymph node metastasis. Univariate analysis of data revealed that age, primary tumor size, histological grade, lymphovascular invasion, perineural invasion, extracapsular invasion, and the number of positive sentinel lymph nodes to the total number of harvested sentinel lymph nodes ratio, were associated with non-sentinel lymph node metastasis. After logistic regression analysis, age (OR=0.13; 95% CI, 0.02-0.8), primary tumor size (OR=7.7; 95% CI, 1.4-42.2), lymphovascular invasion (OR=19.4; 95% CI, 1.4- 268.6), extracapsular invasion (OR=13.3; 95% CI, 2.3-76), and the number of positive sentinel lymph nodes to the total number of harvested sentinel lymph nodes ratio (OR=20.2; 95% CI, 3.4-121.9), were significantly associated with non-sentinel lymph node metastasis. CONCLUSIONS According to this study, age, primary tumor size, lymphovascular invasion, extracapsular invasion, and the ratio of positive sentinel lymph nodes to the total number of harvested sentinel lymph nodes, were found to be independent predictors of non-sentinel lymph node metastasis.
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Gülben K, Berberoğlu U, Aydoğan O, Kınaş V. Subtype is a predictive factor of nonsentinel lymph node involvement in sentinel node-positive breast cancer patients. J Breast Cancer 2014; 17:370-5. [PMID: 25548586 PMCID: PMC4278057 DOI: 10.4048/jbc.2014.17.4.370] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Accepted: 09/25/2014] [Indexed: 01/17/2023] Open
Abstract
Purpose This study aimed to identify the effect of breast cancer subtype on nonsentinel lymph node (NSLN) metastasis in patients with a positive sentinel lymph node (SLN). Methods The records of 104 early breast cancer patients with a positive SLN between April 2009 and September 2013 were retrospectively evaluated. All patients underwent axillary lymph node dissection. The effects of the tumor subtype (luminal A, luminal/HER2+, human epidermal growth factor receptor 2 [HER2] overexpression, and triple-negative) and other clinicopathological factors on NSLN metastasis were examined by univariate and multivariate statistical analyses. Results Fifty of 104 patients (48%) exhibited NSLN metastasis. Univariate and multivariate analyses revealed that tumor size and the ratio of positive SLNs were significant risk factors of NSLN metastasis in patients with a positive SLN. The rate of NSLN metastasis was higher in patients with luminal/HER2+ and HER2 overexpression subtypes than that in patients with other subtypes in the univariate analysis (p<0.001). In the multivariate analysis, both patients with luminal/HER2+ (p<0.006) and patients with HER2 overexpression (p<0.031) subtypes had a higher risk of NSLN metastasis than patients with the luminal A subtype. Conclusion Subtype classification should be considered as an independent factor when evaluating the risk of NSLN metastasis in patients with a positive SLN. This result supports the development of new nomograms including breast cancer subtype to increase predictive accuracy.
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Affiliation(s)
- Kaptan Gülben
- Department of Surgery, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Uğur Berberoğlu
- Department of Surgery, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Ogün Aydoğan
- Department of Surgery, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Volkan Kınaş
- Department of Surgery, Samsun Training and Research Hospital, Samsun, Turkey
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Choi AH, Surrusco M, Rodriguez S, Bahjri K, Solomon N, Garberoglio C, Lum S, Senthil M. Extranodal Extension on Sentinel Lymph Node Dissection: Why should we Treat it Differently? Am Surg 2014. [DOI: 10.1177/000313481408001004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
American College of Surgeons Oncology Group Z0011 concluded that axillary lymph node dissection (ALND) may be avoided in selected patients with breast cancer with limited axillary nodal metastasis on sentinel lymph node dissection (SLND). However, patients with extranodal extension (ENE) were excluded to the follow existing standard of care, which is completion ALND. The significance of ENE detected on SLND is not well defined. Our objective was to determine the impact of ENE found on SLND on nonsentinel lymph node (NSLN) metastasis, recurrence, and overall mortality. We evaluated patients with breast cancer treated at a tertiary cancer center from 2005 to 2012. SLND was performed in 655 patients. Of those, 478 of 655 (73.0%) patients had no SLN metastases, 124 of 655 (18.9%) had SLN metastases without ENE (SLN-ENE), and 53 of 655 (8.1%) had SLN metastases with ENE (SLN1ENE). Of patients undergoing ALND, NSLN metastasis was detected in 37 of 84 (44.0%) of patients in the SLN-ENE group and 26 of 45 (57.8%) patients in the SLN1ENE group ( P = 0.14). On adjusted analyses, ENE was associated with increased disease recurrence (odds ratio [OR], 5.48; 95% confidence interval [CI], 1.23 to 24.48; P = 0.03) as well as increased overall mortality (OR, 8.16; 95% CI, 1.72 to 38.63; P = 0.01). In conclusion, ENE is associated with increased overall axillary nodal burden, disease recurrence, and overall mortality.
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Affiliation(s)
- Audrey H. Choi
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Matthew Surrusco
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Samuel Rodriguez
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Khaled Bahjri
- Departments of Epidemiology, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Naveen Solomon
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Carlos Garberoglio
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Sharon Lum
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
| | - Maheswari Senthil
- Departments of Surgery, Biostatistics, and Population Medicine, Loma Linda University, Loma Linda, California
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Liu M, Wang S, Pan L, Yang D, Xie F, Liu P, Guo J, Zhang J, Zhou B. A new model for predicting non-sentinel lymph node status in Chinese sentinel lymph node positive breast cancer patients. PLoS One 2014; 9:e104117. [PMID: 25111296 PMCID: PMC4128817 DOI: 10.1371/journal.pone.0104117] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 07/04/2014] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Our goal is to validate the Memorial Sloan-Kettering Cancer Center (MSKCC) nomogram and Stanford Online Calculator (SOC) for predicting non-sentinel lymph node (NSLN) metastasis in Chinese patients, and develop a new model for better prediction of NSLN metastasis. METHODS The MSKCC nomogram and SOC were used to calculate the probability of NSLN metastasis in 120 breast cancer patients. Univariate and multivariate analyses were performed to evaluate the relationship between NSLN metastasis and clinicopathologic factors, using the medical records of the first 80 breast cancer patients. A new model predicting NSLN metastasis was developed from the 80 patients. RESULTS The MSKCC and SOC predicted NSLN metastasis in a series of 120 patients with an area under the receiver operating characteristic curve (AUC) of 0.688 and 0.734, respectively. For predicted probability cut-off points of 10%, the false-negative (FN) rates of MSKCC and SOC were both 4.4%, and the negative predictive value (NPV) 75.0% and 90.0%, respectively. Tumor size, Kiss-1 expression in positive SLN and size of SLN metastasis were independently associated with NSLN metastasis (p<0.05). A new model (Peking University People's Hospital, PKUPH) was developed using these three variables. The MSKCC, SOC and PKUPH predicted NSLN metastasis in the second 40 patients from the 120 patients with an AUC of 0.624, 0.679 and 0.795, respectively. CONCLUSION MSKCC nomogram and SOC did not perform as well as their original researches in Chinese patients. As a new predictor, Kiss-1 expression in positive SLN correlated independently with NSLN metastasis strongly. PKUPH model achieved higher accuracy than MSKCC and SOC in predicting NSLN metastasis in Chinese patients.
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Affiliation(s)
- Miao Liu
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Shu Wang
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Lu Pan
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Deqi Yang
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Fei Xie
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Peng Liu
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Jiajia Guo
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Jiaqing Zhang
- Breast Disease Center, Peking University People's Hospital, Beijing, China
| | - Bo Zhou
- Breast Disease Center, Peking University People's Hospital, Beijing, China
- * E-mail:
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Girgin S, Soran A, Güler N, Dinçer M, Demir G. Is Completion Axillary Dissection Necessary for This Patient? THE JOURNAL OF BREAST HEALTH 2014; 10:184-188. [PMID: 28331668 PMCID: PMC5351546 DOI: 10.5152/tjbh.2014.0001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 03/21/2013] [Indexed: 11/22/2022]
Affiliation(s)
- Sadullah Girgin
- Department of General Surgery, Dicle University Faculty of Medicine, Diyarbakır, Turkey
| | - Atilla Soran
- Magee-Womens Hospital, Pittsburgh University, Pittsburgh, USA
| | - Nilüfer Güler
- Department of Medical Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Maktav Dinçer
- Department of Radiation Oncology, İstanbul University Çapa Faculty of Medicine, İstanbul, Turkey
| | - Gökhan Demir
- Department of Internal Medicine, Acıbadem Hospital, İstanbul, Turkey
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19
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Yeniay L, Carti E, Karaca C, Zekioglu O, Yararbas U, Yilmaz R, Kapkac M. A new and simple predictive formula for non-sentinel lymph node metastasis in breast cancer patients with positive sentinel lymph nodes, and validation of 3 different nomograms in Turkish breast cancer patients. ACTA ACUST UNITED AC 2014; 7:397-402. [PMID: 24647780 DOI: 10.1159/000338844] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Nomogram accuracies for predicting non-sentinel lymph node (SLN) involvement vary between different patient populations. Our aim is to put these nomograms to test on our patient population and determine our individual predictive parameters affecting SLN and non-SLN involvement. PATIENTS AND METHODS Data from 932 patients was analyzed. Nomogram values were calculated for each patient utilizing MSKCC, Tenon, and MHDF models. Moreover, using our own patient- and tumor-depended parameters, we established a unique predictivity formula for SLN and non-SLN involvement. RESULTS The calculated area under the curve (AUC) values for MSKCC, Tenon, and MHDF models were 0.727 (95% confidence interval (CI) 0.64-0.8), 0.665 (95% CI 0.59-0.73), and 0.696 (95% CI 0.59-0.79), respectively. Cerb-2 positivity (p = 0.004) and size of the metastasis in the lymph node (p = 0.006) were found to correlate with non-SLN involvement in our study group. The AUC value of the predictivity formula established using these parameters was 0.722 (95% CI 0.63-0.81). CONCLUSION The most accurate nomogram for our patient group was the MSKCC nomogram. Our unique predictivity formula proved to be as equally effective and competent as the MSKCC nomogram. However, similar to other nomograms, our predictivity formula requires future validation studies.
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Affiliation(s)
| | - Erdem Carti
- Ege University School of Medicine, Izmir, Turkey
| | - Can Karaca
- Ege University School of Medicine, Izmir, Turkey
| | | | | | - Rasih Yilmaz
- Ege University School of Medicine, Izmir, Turkey
| | - Murat Kapkac
- Ege University School of Medicine, Izmir, Turkey
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An independent assessment of the 7 nomograms for predicting the probability of additional axillary nodal metastases after positive sentinel lymph node biopsy in a cohort of British patients with breast cancer. Clin Breast Cancer 2014; 14:272-9. [PMID: 25037530 DOI: 10.1016/j.clbc.2014.02.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 02/21/2014] [Accepted: 02/24/2014] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Axillary lymph node dissection (ALND) is currently the recommended procedure in patients with tumor-positive sentinel lymph node biopsy (SLNB). A significant proportion of patients with positive SLNs will not have any additional metastases in nonsentinel lymph nodes (NSLNs). Predictive nomograms could identify a subgroup of patients with low or high risk of further disease in whom completion ALND can be avoided or recommended. The aim of this study was to assess the accuracy of the currently available 7 nomograms in a cohort of British patients with breast cancer. PATIENTS AND METHODS A total of 138 patients with positive SLNs who underwent completion ALND were identified. Data were then used to calculate the probability of further metastases in NSLNs predicted by the 7 nomograms that are currently in use: the MSKCC (Memorial Sloan Kettering Cancer Center), Cambridge, Turkish, Stanford, MDACC (University of Texas MD Anderson Cancer Center), Tenon, and MOU (Masarykuv onkologický ústav, Masaryk Memorial Cancer Institute) models. The area under the receiver operating characteristic (ROC) curve (AUC) was calculated for each nomogram. RESULTS Of the 138 patients, 54 (41%) had additional metastases in NSLNs. AUC values for the MSKCC, Cambridge, Turkish, Stanford, MDACC, Tenon, and MOU models are 0.68, 0.68, 0.70, 0.69, 0.56, 0.63, and 0.74, respectively. CONCLUSION The MOU nomogram was more predictive than the other nomograms, with a better AUC value and false-negative rate. None of the models were able to achieve AUC value ≥ 0.80 in a cohort of British patients with breast cancer.
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21
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Use of Established Nomograms to Predict Non-Sentinel Lymph Node Metastasis. CURRENT BREAST CANCER REPORTS 2014. [DOI: 10.1007/s12609-013-0137-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Torstenson T, Shah-Khan MG, Hoskin TL, Morton MJ, Adamczyk DL, Jones KN, Case J, Chartier S, Boughey JC. Novel Factors to Improve Prediction of Nodal Positivity in Patients with Clinical T1/T2 Breast Cancers. Ann Surg Oncol 2013; 20:3286-93. [DOI: 10.1245/s10434-013-3110-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Indexed: 11/18/2022]
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Chae AW, Vandewalker KM, Li YJ, Beckett LA, Ramsamooj R, Bold RJ, Khatri VP. Quantitation of sentinel node metastatic burden and Her-2/neu over-expression accurately predicts residual axillary nodal involvement and extranodal disease in breast cancer. Eur J Surg Oncol 2013; 39:627-33. [PMID: 23523315 DOI: 10.1016/j.ejso.2013.02.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Revised: 02/10/2013] [Accepted: 02/20/2013] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND DATA Recent literature has suggested that completion axillary lymph node dissection (ALND) in breast carcinoma patients with positive SLN may not be necessary. However, a method for determining the risk of non-SLN or extranodal disease remains to be established. AIMS To determine if pathological variables from primary tumors and sentinel lymph node (SLN) metastases could predict the probability of non-sentinel lymph node (NSLN) metastases and extranodal disease in patients with breast carcinoma and SLN metastases. METHODS 84 women with T1-3 breast cancer and clinically-negative axillae underwent completion ALND. Maximum diameter and width of SLN metastases were measured to calculate metastatic area. When multiple SLNs contained metastases, areas were summed to calculate the Total Metastatic Area (TMA). Multiple linear regression models were used to identify predictive factors. RESULTS Her-2/neu over-expression increased the odds of NSLN metastases (OR 4.3, p = 0.01) and extranodal disease (OR 7.9, p < 0.001). Independent SLN predictors were ≥1 positive SLN (OR, 7.35), maximum diameter and area of SLN metastases (OR 2.26, 1.85 respectively) and TMA (OR, 2.12). Maximum metastatic diameter/SLN diameter (OR 3.71, p = 0.04) and the area of metastases/SLN area (OR 3.4, p = 0.04) were predictive. For every 1 mm increase in diameter of SLN metastases, the odds of NSLN extranodal disease increased by 8.5% (p = 0.02). TMA >0.40 cm(2) was an independent predictor for NSLN metastases and extranodal disease. CONCLUSION Her-2/neu over-expression and parameters assessing metastatic burden in the SLN, particularly TMA, predicted the presence of NSLN involvement and extranodal disease in patients with breast carcinoma and SLN metastases.
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Affiliation(s)
- A W Chae
- Department of Surgery, UC Davis Health System, 2315 Stockton Blvd., Sacramento, CA 95817, USA.
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Xie F, Yang H, Wang S, Zhou B, Tong F, Yang D, Zhang J. A logistic regression model for predicting axillary lymph node metastases in early breast carcinoma patients. SENSORS (BASEL, SWITZERLAND) 2012; 12:9936-50. [PMID: 23012578 PMCID: PMC3444135 DOI: 10.3390/s120709936] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 07/09/2012] [Accepted: 07/09/2012] [Indexed: 01/17/2023]
Abstract
Nodal staging in breast cancer is a key predictor of prognosis. This paper presents the results of potential clinicopathological predictors of axillary lymph node involvement and develops an efficient prediction model to assist in predicting axillary lymph node metastases. Seventy patients with primary early breast cancer who underwent axillary dissection were evaluated. Univariate and multivariate logistic regression were performed to evaluate the association between clinicopathological factors and lymph node metastatic status. A logistic regression predictive model was built from 50 randomly selected patients; the model was also applied to the remaining 20 patients to assess its validity. Univariate analysis showed a significant relationship between lymph node involvement and absence of nm-23 (p = 0.010) and Kiss-1 (p = 0.001) expression. Absence of Kiss-1 remained significantly associated with positive axillary node status in the multivariate analysis (p = 0.018). Seven clinicopathological factors were involved in the multivariate logistic regression model: menopausal status, tumor size, ER, PR, HER2, nm-23 and Kiss-1. The model was accurate and discriminating, with an area under the receiver operating characteristic curve of 0.702 when applied to the validation group. Moreover, there is a need discover more specific candidate proteins and molecular biology tools to select more variables which should improve predictive accuracy.
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Affiliation(s)
| | | | - Shu Wang
- Breast Disease Center, Peking University, People's Hospital, Beijing 100044, China; E-Mails: (F.X.); (H.Y.); (B.Z.); (F.T.); (D.Y.); (J.Z.)
| | - Bo Zhou
- Breast Disease Center, Peking University, People's Hospital, Beijing 100044, China; E-Mails: (F.X.); (H.Y.); (B.Z.); (F.T.); (D.Y.); (J.Z.)
| | - Fuzhong Tong
- Breast Disease Center, Peking University, People's Hospital, Beijing 100044, China; E-Mails: (F.X.); (H.Y.); (B.Z.); (F.T.); (D.Y.); (J.Z.)
| | - Deqi Yang
- Breast Disease Center, Peking University, People's Hospital, Beijing 100044, China; E-Mails: (F.X.); (H.Y.); (B.Z.); (F.T.); (D.Y.); (J.Z.)
| | - Jiaqing Zhang
- Breast Disease Center, Peking University, People's Hospital, Beijing 100044, China; E-Mails: (F.X.); (H.Y.); (B.Z.); (F.T.); (D.Y.); (J.Z.)
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Zhou W, He Z, Xue J, Wang M, Zha X, Ling L, Chen L, Wang S, Liu X. Molecular subtype classification is a determinant of non-sentinel lymph node metastasis in breast cancer patients with positive sentinel lymph nodes. PLoS One 2012; 7:e35881. [PMID: 22563412 PMCID: PMC3338552 DOI: 10.1371/journal.pone.0035881] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 03/23/2012] [Indexed: 01/14/2023] Open
Abstract
Background Previous studies suggested that the molecular subtypes were strongly associated with sentinel lymph node (SLN) status. The purpose of this study was to determine whether molecular subtype classification was associated with non-sentinel lymph nodes (NSLN) metastasis in patients with a positive SLN. Methodology and Principal Findings Between January 2001 and March 2011, a total of 130 patients with a positive SLN were recruited. All these patients underwent a complete axillary lymph node dissection. The univariate and multivariate analyses of NSLN metastasis were performed. In univariate and multivariate analyses, large tumor size, macrometastasis and high tumor grade were all significant risk factors of NSLN metastasis in patients with a positive SLN. In univariate analysis, luminal B subgroup showed higher rate of NSLN metastasis than other subgroup (P = 0.027). When other variables were adjusted in multivariate analysis, the molecular subtype classification was a determinant of NSLN metastasis. Relative to triple negative subgroup, both luminal A (P = 0.047) and luminal B (P = 0.010) subgroups showed a higher risk of NSLN metastasis. Otherwise, HER2 over-expression subgroup did not have a higher risk than triple negative subgroup (P = 0.183). The area under the curve (AUC) value was 0.8095 for the Cambridge model. When molecular subtype classification was added to the Cambridge model, the AUC value was 0.8475. Conclusions Except for other factors, molecular subtype classification was a determinant of NSLN metastasis in patients with a positive SLN. The predictive accuracy of mathematical models including molecular subtype should be determined in the future.
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Affiliation(s)
- Wenbin Zhou
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Zhongyuan He
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Jialei Xue
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Minghai Wang
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Xiaoming Zha
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Lijun Ling
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Lin Chen
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Shui Wang
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
- * E-mail: (XL); (SW)
| | - Xiaoan Liu
- Department of Breast Surgery, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
- * E-mail: (XL); (SW)
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Boler DE, Uras C, Ince U, Cabioglu N. Factors predicting the non-sentinel lymph node involvement in breast cancer patients with sentinel lymph node metastases. Breast 2012; 21:518-23. [PMID: 22410110 DOI: 10.1016/j.breast.2012.02.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Revised: 02/02/2012] [Accepted: 02/19/2012] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVE In a significant proportion of patients, the sentinel lymph node (SLN) is the only involved axillary node. The goal of the present study was to identify predictive factors associated with a positive SLN and with a positive non-SLN in patients in whom axillary lymph node dissection (ALND) was performed. METHODS Data was reviewed for patients with T1-2 invasive breast cancer who underwent SLN biopsy with or without axillary dissection in a single institution between July 2000 and May 2010. The SLNs were examined by serial sectioning and H&E staining, and by cytokeratin immunostaining in suspicious cases. RESULTS Of 332 patients with SLNB, 134 had SLN positivity, and 116 of them further underwent completion axillary dissection. Patients with T2 tumors (OR=3.2; 95% CI, 1.74-5.58), or tumors with lymphovascular invasion (OR=8.0; 95% CI, 4.44-14.27), or invasive ductal cancer (OR=2.92; 95% CI, 1.1-8.0) were more likely to have a positive SLN. In patients with ALND, the non-SLN involvement rates were 10%, 11.5% and 50% in patients with isolated tumor cells (ITC), micrometastasis and macrometastasis, respectively. Finding of ITC or micrometastasis in SLNs (OR=0.28; 95% CI, 0.08-0.99) or presence of extracapsular invasion (ECI) in SLN (OR=0.24; 95% CI, 0.09-0.67) were the predictive factors of not having a non-SLN metastasis in logistic regression analysis. CONCLUSIONS These findings suggest further axillary surgery can be best omitted in patients with micrometastasis while validation of nomograms including factors such as ECI are still needed to be studied in patients with macrometastasis.
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Affiliation(s)
- D E Boler
- Department of Surgery, Faculty of Medicine, Acibadem University, Istanbul, Turkey
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Andersson Y, Frisell J, de Boniface J, Bergkvist L. Prediction of non-sentinel lymph node status in breast cancer patients with sentinel lymph node metastases: evaluation of the tenon score. BREAST CANCER-BASIC AND CLINICAL RESEARCH 2012; 6:31-8. [PMID: 22346360 PMCID: PMC3273320 DOI: 10.4137/bcbcr.s8642] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Current guidelines recommend completion axillary lymph node dissection (cALND) in case of a sentinel lymph node (SLN) metastasis larger than 0.2 mm. However, in 50%-65% of these patients, the non-SLNs contain no further metastases and cALND provides no benefit. Several nomograms and scoring systems have been suggested to predict the risk of metastases in non-SLNs. We have evaluated the Tenon score. PATIENTS AND METHODS In a retrospective review of the Swedish Sentinel Node Multicentre Cohort Study, risk factors for additional metastases were analysed in 869 SLN-positive patients who underwent cALND, using uni- and multivariate logistic regression models. A receiver operating characteristic (ROC) curve was drawn on the basis of the sensitivity and specificity of the Tenon score, and the area under the curve (AUC) was calculated. RESULTS Non-SLN metastases were identified in 270/869 (31.1%) patients. Tumour size and grade, SLN status and ratio between number of positive SLNs and total number of SLNs were significantly associated with non-SLN status in multivariate analyses. The area under the curve for the Tenon score was 0.65 (95% CI 0.61-0.69). In 102 patients with a primary tumour <2 cm, Elston grade 1-2 and SLN metastases ≤2 mm, the risk of non SLN metastasis was less than 10%. CONCLUSION The Tenon score performed inadequately in our material and we could, based on tumour and SLN characteristics, only define a very small group of patients in which negative non-sentinel nodes could be predicted.
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Affiliation(s)
- Y Andersson
- Department of Surgery, Central Hospital, Västerås, Sweden
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Eldweny H, Alkhaldy K, Alsaleh N, Abdulsamad M, Abbas A, Hamad A, Mounib S, Essam T, Kukawski P, Bobin JY, Oteifa M, Amanguono H, Abulhoda F, Usmani S, Elbasmy A. Predictors of non-sentinel lymph node metastasis in breast cancer patients with positive sentinel lymph node (Pilot study). J Egypt Natl Canc Inst 2012; 24:23-30. [PMID: 23587229 DOI: 10.1016/j.jnci.2011.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2011] [Accepted: 11/29/2011] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Sentinel Lymph Node Biopsy (SLNB) procedure was found to be an accurate method of staging the axilla in patients with early stage breast cancer. The standard of care for breast cancer patients with positive SLN metastasis includes complete Axillary Lymph Node Dissection (ALND). However, in 40-70% of patients, the SLN is the only involved axillary node. Factors predicting non SLN metastasis should be identified in order to define subgroups of patients with positive SLN in whom the axilla may be staged by SLNB alone. OBJECTIVES To identify the factors predicting metastatic involvement of the non-SLNs in breast cancer patients having SLN metastasis. PATIENTS AND METHODS Data were collected and analyzed from 80 patients with early stage invasive breast cancer (T1, T2, N0, M0) who underwent SLNB at the Surgical Oncology Department, Kuwait Cancer Control Center (KCCC) between November 2004 and February 2009. SLNB was performed using a combined technique (radioactive colloid, and blue dye) in the majority of cases. In some cases, only one technique was used. Complete ALND was performed in the case of failure of SLN identification and in patients with positive SLN. Multiple variables (patient, tumor, and SLN characteristics) were tested as possible predictors of nonsentinel lymph node metastasis. RESULTS The mean age of patients at diagnosis was 46.6years. The median tumor size was 2cm. The SLN identification rate was 96.2% (77 out of 80 patients). The SLN was positive in 24 patients (31%), and half of these showed evidence of capsular invasion. The median number of SLNs removed was two. The median number of positive SLNs was one. The incidence of non-SLN metastasis associated with positive SLN was 50% (12 out of 24 patients). Lymphovascular invasion was found to be the only factor associated with non-SLN metastases. In addition, two trends were observed, though they did not reach the statistical significance: the first is that the majority of patients having capsular invasion of the SLN (8 out of 12 patients, 67%) had positive non-SLN metastasis, and the second is that the patients having more than one SLN metastasis were more likely to have non-SLN metastasis (4 out of 5, 80%). CONCLUSION In the current pilot study, only the lymphovascular invasion in the area of the primary tumor was found to be significantly related to the nonsentinel lymph node metastasis. There was a tendency toward higher incidence of nonsentinel lymph node metastasis associated with the number of positive SLN and capsular invasion of SLN, though this did not reach the statistical significance. This could be attributed to the small number of patients recruited. Further evaluation of the predictors of nonsentinel lymph node metastasis on a larger number of patients is required. The validation of these predictors in prospective studies may enable approximately half of early stage breast cancer patients with positive SLN to be staged with SLNB alone while avoiding the morbidity of unnecessary ALND.
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Affiliation(s)
- Hany Eldweny
- Department of Surgical Oncology, Kuwait Cancer Control Center, Kuwait
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Osako T, Iwase T, Kimura K, Yamashita K, Horii R, Akiyama F. Accurate staging of axillary lymph nodes from breast cancer patients using a novel molecular method. Br J Cancer 2011; 105:1197-202. [PMID: 21878934 PMCID: PMC3208491 DOI: 10.1038/bjc.2011.350] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Background: The one-step nucleic acid amplification (OSNA) assay is a molecular-based lymph-node metastasis detection procedure that can assess a whole node and yields semi-quantitative results for the detection of clinically relevant nodal metastases. We aimed to determine the performance of the OSNA assay as an accurate nodal staging tool in comparison with routine histological examination. Methods: Subjects comprised 183 consecutive patients with pT1-2 breast cancer who underwent axillary dissection after positive sentinel-node (SN) biopsy with the OSNA assay. Of these, for non-SN evaluation, 119 patients underwent OSNA assay evaluation, whereas 64 had single-section histology. We compared the detection rates of non-SN metastasis and upstaging rates from the SN stage according to the American Joint Committee on Cancer staging between the OSNA and histology cohorts. Results: OSNA detected more cases of non-SN metastases than histology (OSNA 66/119, 55.5% vs histology 13/64, 20.3% P<0.001), particularly micrometastases (36/119, 30.3% vs 1/64, 1.6% P<0.001). Total upstaging rates were similar in both cohorts (20/119, 16.8% vs 9/64, 14.1%, P=0.79). Conclusion: OSNA detects a far greater proportion of non-SN micrometastases than routine histological examination. However, upstaging rates after axillary dissection were not significantly different between both cohorts. Follow-up of the OSNA cohort is required to determine its clinical relevance.
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Affiliation(s)
- T Osako
- Division of Pathology, The Cancer Institute of Japanese Foundation for Cancer Research, Tokyo, Japan.
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Ansari B, Morton MJ, Adamczyk DL, Jones KN, Brodt JK, Degnim AC, Jakub JW, Lohse CM, Boughey JC. Distance of Breast Cancer From the Skin and Nipple Impacts Axillary Nodal Metastases. Ann Surg Oncol 2011; 18:3174-80. [DOI: 10.1245/s10434-011-1957-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2011] [Indexed: 12/11/2022]
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Fougo JL, Senra FS, Araújo C, Dias T, Afonso M, Leal C, Dinis-Ribeiro M. Validating the MSKCC nomogram and a clinical decision rule in the prediction of non-sentinel node metastases in a Portuguese population of breast cancer patients. Breast 2011; 20:134-40. [DOI: 10.1016/j.breast.2010.10.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2009] [Revised: 05/17/2010] [Accepted: 10/21/2010] [Indexed: 01/17/2023] Open
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Clinical significance of sentinel lymph node isolated tumour cells in breast cancer. Breast Cancer Res Treat 2011; 127:325-34. [PMID: 21455668 DOI: 10.1007/s10549-011-1476-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2010] [Accepted: 03/19/2011] [Indexed: 12/16/2022]
Abstract
The advent of sentinel lymph node biopsy (SLNB) and improvements in histopathological and molecular analysis have increased the rate at which isolated tumour cells (ITC) are identified. However, their biological and clinical significance has been the subject of much debate. In this article we review the literature concerning SLNB with particular reference to ITC. The controversies regarding histopathological assessment, clinical relevance and management implications are explored. The literature review was facilitated by Medline, PubMed, Embase and Cochrane databases. Published studies have reported divergent results regarding the biological significance and clinical implications of ITC in general and SLN ITC in particular. Some studies demonstrate no associations, whilst others have found these to be indicators of poor prognosis, associated with non-SLN involvement, in addition to local recurrence and distant disease. Absolute consensus regarding the optimal analytical technique for SLN has yet to be reached, particularly concerning immunohistochemical (IHC) techniques targeting cytokeratins and contemporary molecular analysis. The clinical relevance of ITC within the SLN should be primarily determined by the magnitude of their impact on patient management and outcome measures. The modest up-staging within current classification systems is justified and reflects the marginally poorer prognosis for women with SLN ITC. Management need not be altered where further axillary treatment with surgical clearance or radiotherapy and systemic adjuvant treatment are already indicated. However, in the absence of level-1 guidance, each case requires discussion with regard to other tumour and patient related factors in the context of the multidisciplinary team. The identification of ITC remains highly dependent on the analytical technique employed and there exists potential for stage migration and impact on management decisions. Evidence supporting the routine analysis of deeper tissue sections by IHC is lacking and molecular technologies should be restricted to research purposes at present.
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van la Parra RFD, Peer PGM, Ernst MF, Bosscha K. Meta-analysis of predictive factors for non-sentinel lymph node metastases in breast cancer patients with a positive SLN. Eur J Surg Oncol 2011; 37:290-9. [PMID: 21316185 DOI: 10.1016/j.ejso.2011.01.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Revised: 12/15/2010] [Accepted: 01/04/2011] [Indexed: 01/17/2023] Open
Abstract
AIMS A meta-analysis was performed to identify the clinicopathological variables most predictive of non-sentinel node (NSN) metastases when the sentinel node is positive. METHODS A Medline search was conducted that ultimately identified 56 candidate studies. Original data were abstracted from each study and used to calculate odds ratios. The random-effects model was used to combine odds ratios to determine the strength of the associations. FINDINGS The 8 individual characteristics found to be significantly associated with the highest likelihood (odds ratio >2) of NSN metastases are SLN metastases >2mm in size, extracapsular extension in the SLN, >1 positive SLN, ≤1 negative SLN, tumour size >2cm, ratio of positive sentinel nodes >50% and lymphovascular invasion in the primary tumour. The histological method of detection, which is associated with the size of metastases, had a correspondingly high odds ratio. CONCLUSIONS We identified 8 factors predictive of NSN metastases that should be recorded and evaluated routinely in SLN databases. These factors should be included in a predictive model that is generally applicable among different populations.
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Affiliation(s)
- R F D van la Parra
- Department of Surgery, Gelderse Vallei Hospital, 6716 RP Ede, The Netherlands.
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Gutierrez J, Dunn D, Bretzke M, Johnson E, O'Leary J, Stoller D, Fraki S, Diaz L, Lillemoe T. Pathologic evaluation of axillary dissection specimens following unexpected identification of tumor within sentinel lymph nodes. Arch Pathol Lab Med 2011; 135:131-4. [PMID: 21204719 DOI: 10.5858/2009-0694-oar.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CONTEXT Axillary lymph node dissection has been the standard of care after identification of a positive sentinel lymph node for breast cancer patients. OBJECTIVE To determine the likelihood of non-sentinel lymph node involvement for patients with negative sentinel node by frozen section, who are subsequently found to have tumor cells in the sentinel node by permanent section levels and/or cytokeratin immunohistochemistry. DESIGN One hundred three patients with invasive breast cancer exhibiting negative frozen section evaluation of their sentinel node, but later found to have isolated tumor cells (n = 46), micrometastasis (n = 46), or metastases (n = 11) in their sentinel node by permanent sections or immunohistochemistry, were enrolled in this prospective cohort study and underwent completion axillary dissection. RESULTS Six of 46 patients (13%) with isolated tumor cells in their sentinel node, 15 of 46 patients (33%) with micrometastasis in their sentinel node, and 2 of 11 patients (18%) with metastasis in their sentinel node had additional findings in the nonsentinel nodes. These findings resulted in a pathologic stage change in 2 patients. Predictors of positive nonsentinel nodes were 2 or more positive sentinel nodes (P = .002), sentinel nodes with micrometastasis versus isolated tumor cells (P = .03), and those with angiolymphatic invasion (P = .04). CONCLUSIONS Our findings lend support to axillary node dissection for patients with micrometastasis or metastasis in their sentinel nodes. However, studies with clinical follow-up are needed to determine whether axillary node dissection is necessary for patients with isolated tumor cells in sentinel nodes.
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Affiliation(s)
- Jessica Gutierrez
- Department of Surgery, University of Minnesota Medical Center, Fairview, MN, USA
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Moghaddam Y, Falzon M, Fulford L, Williams NR, Keshtgar MR. Comparison of three mathematical models for predicting the risk of additional axillary nodal metastases after positive sentinel lymph node biopsy in early breast cancer. Br J Surg 2010; 97:1646-52. [DOI: 10.1002/bjs.7181] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Abstract
Background
Women with breast cancer and a positive axillary sentinel lymph node (SLN) are recommended to undergo complete axillary lymph node dissection; however, further nodal disease is not always present. Mathematical models have been constructed to determine the risk of metastatic disease; three of these were evaluated independently.
Methods
Data from 108 women with breast cancer who had a positive SLN biopsy and completion axillary lymph node dissection were used. Measurements of additional parameters over those usually determined (such as size of SLN metastasis) were assessed under the supervision of two pathologists. These data were used to determine the predicted risk of non-SLN metastases using three mathematical models (from Memorial Sloan-Kettering Cancer Center (MSKCC), Cambridge University and Stanford University) and a comparison made with the observed findings. Analyses were made using the area under the receiver operating characteristic (ROC) curve (AUC).
Results
Some 53 (49·1 per cent) of 108 patients had a positive non-sentinel axillary lymph node metastasis. The AUC values were 0·63, 0·72 and 0·67 for the MSKCC, Cambridge and Stanford nomograms respectively.
Conclusion
This independent comparison found no significant difference between the models, although the Cambridge model had the advantage of requiring fewer measurements with a more accurate predictive performance.
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Affiliation(s)
- Y Moghaddam
- Department of Histopathology, University College Hospital, London, UK
| | - M Falzon
- Department of Histopathology, University College Hospital, London, UK
| | - L Fulford
- Department of Histopathology, University College Hospital, London, UK
| | - N R Williams
- Department of Surgery, University College London Medical School, London, UK
| | - M R Keshtgar
- Department of Surgery, University College London Medical School, London, UK
- Department of Surgery, Royal Free Hospital, London, UK
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Kumar S, Bramlage M, Jacks LM, Goldberg JI, Patil SM, Giri DD, Van Zee KJ. Minimal Disease in the Sentinel Lymph Node: How to Best Measure Sentinel Node Micrometastases to Predict Risk of Additional Non-Sentinel Lymph Node Disease. Ann Surg Oncol 2010; 17:2909-19. [DOI: 10.1245/s10434-010-1115-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Indexed: 01/17/2023]
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Aitken E, Osman M. Factors Affecting Nodal Status in Invasive Breast Cancer: A Retrospective Analysis of 623 Patients. Breast J 2010; 16:271-8. [DOI: 10.1111/j.1524-4741.2009.00897.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jaka RC, Zaveri SS, Somashekhar SP, Sureshchandra, Parameswaran RV. Value of frozen section and primary tumor factors in determining sentinel lymph node spread in early breast carcinoma. Indian J Surg Oncol 2010; 1:27-36. [PMID: 22930615 DOI: 10.1007/s13193-010-0008-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Accepted: 07/18/2009] [Indexed: 10/19/2022] Open
Abstract
INTRODUCTION Sentinel lymph node biopsy (SLNB) is the standard of care to assess the metastasis in breast carcinoma. Accuracy of intraoperative frozen section examination to evaluate SLN in detecting metastasis is important as it determines the further management of axilla. Primary tumor characteristics determining the metastasis to the lymph node will help in predicting the probability of spread and to determine the nature of disease. It also helps in refining selection of patients for SLNB. We evaluated all these criteria on Indian patients for the better management. MATERIALS AND METHODS Between January 2005 and April 2009, 114 consecutive patients of all age group of both sex, with cytology or biopsy proven carcinoma breast, clinical stage T1/T2 N0 M0 at Manipal Comprehensive Cancer Center, Manipal Hospital, Bangalore were subjected to SLNB and introperative frozen examination. First 75 cases had complete axillary clearance irrespective of SLNB result and subsequently, positive cases underwent axillary lymph node dissection (ALND). Age of the patient and primary tumor characteristics like size, grade, lymphovascular invasion (LVI), perineural invasion, ER/PR status, Her2-neu status and histological sub-types were evaluated for predicting the SLN metastasis. Feasibility of SLNB in previously treated patient is also evaluated. RESULTS The age of the patient ranged from 23 to 87 years and its association with SLN spread is not significant. Frozen section examination had accuracy of 97.37% in determining metastatic sentinel node with sensitivity of 96.15% and specificity of 100% with value P < 0.001. SLN remained significant indicator of the status of rest of axilla with value P < 0.001. Primary tumor characteristics like histological subtypes, grade (P = 0.353), ER/PR status (P = 0.839), Her2-neu status (P =0.296) were not significantly associated with SLN metastasis. Size of the primary tumor (P = 0.002), LVI (P < 0.001), perineural invasion (P = 0.084+) were significant factors determining the SLN metastasis. SLNB evaluation had no false negative values in previously treated breast. CONCLUSION SLNB is a valuable method of determining the axillary nodal metastasis. Intraoperative frozen section examination is highly ac-curate in detecting nodal metastasis. Primary tumor characteristics like size, LVI and perineural invasion are significant in predicting SLN metastasis. SLNB remains an important method of predicting axillary metastasis even in previously treated breast carcinomas.
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Affiliation(s)
- Rajshekhar C Jaka
- Department of Surgical Oncology, Manipal Comprehensive Cancer Center, Manipal Hospital, HAL Airport Road, Bangalore, 560 017 India
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Tanaka S, Nohara T, Iwamoto M, Sumiyoshi K, Kimura K, Takahashi Y, Tanigawa N. Sentinel lymph node biopsy in breast cancer patients undergoing skin/nipple-sparing mastectomy and immediate autologous reconstruction. Oncol Lett 2010; 1:99-101. [PMID: 22966264 DOI: 10.3892/ol_00000018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Accepted: 10/05/2009] [Indexed: 11/05/2022] Open
Abstract
Immediate breast reconstruction following mastectomy is an effective treatment for breast cancer patients. Among several implant options, a latissimus dorsi myocutaneous (LDM) flap is used mainly due to the ease and minimal invasiveness of the procedure. The role of sentinel lymph node (SLN) biopsy with total mastectomy is evolving. Since SLN biopsy is not included in health insurance coverage in the treatment of patients in Japan, it is not generally performed as a separate procedure due to its cost. The present study reviewed the results of seven patients who underwent initial-staged SLN biopsy followed by planned mastectomy and LDM flap reconstruction. Two patients with positive SLNs showed macrometastases and underwent modified radical mastectomy with immediate reconstruction. In contrast, cases showing negative results for sentinel lymph nodes underwent total mastectomy. There were no false-negative cases among the SLN biopsy-negative cases. When an SLN is found to be positive on final pathology, the patient with reconstruction by LDM flap generally requires a potentially difficult reoperation on the remaining axillary nodes. When initial SLN biopsy is generally performed as a separate procedure in Japan, it will be an effective method for screening the axilla for patients who wish to undergo LDM flap reconstruction.
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Affiliation(s)
- Satoru Tanaka
- Department of General and Gastroenterological Surgery, Osaka Medical College, Takatsuki City, Osaka 569-8686, Japan
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Unal B, Gur AS, Beriwal S, Tang G, Johnson R, Ahrendt G, Bonaventura M, Soran A. Predicting Likelihood of Having Four or More Positive Nodes in Patient With Sentinel Lymph Node-Positive Breast Cancer: A Nomogram Validation Study. Int J Radiat Oncol Biol Phys 2009; 75:1035-40. [DOI: 10.1016/j.ijrobp.2008.12.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2008] [Revised: 12/10/2008] [Accepted: 12/11/2008] [Indexed: 01/17/2023]
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Gur AS, Unal B, Ozbek U, Ozmen V, Aydogan F, Gokgoz S, Gulluoglu BM, Aksaz E, Ozbas S, Baskan S, Koyuncu A, Soran A. Validation of breast cancer nomograms for predicting the non-sentinel lymph node metastases after a positive sentinel lymph node biopsy in a multi-center study. Eur J Surg Oncol 2009; 36:30-5. [PMID: 19535217 DOI: 10.1016/j.ejso.2009.05.007] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Revised: 05/14/2009] [Accepted: 05/18/2009] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE In the study, our aim was to evaluate the predictability of four different nomograms on non-sentinel lymph node metastases (NSLNM) in breast cancer (BC) patients with positive sentinel lymph node (SLN) biopsy in a multi-center study. METHODS We identified 607 patients who had a positive SLN biopsy and completion axillary lymph node dissection (CALND) at seven different BC treatment centers in Turkey. The BC nomograms developed by the Memorial Sloan Kettering Cancer Center (MSKCC), Tenon Hospital, Cambridge University, and Stanford University were used to calculate the probability of NSLNM. Area under (AUC) Receiver Operating Characteristics Curve (ROC) was calculated for each nomogram and values greater than 0.70 were accepted as demonstrating good discrimination. RESULTS Two hundred and eighty-seven patients (287) of 607 patients (47.2%) had a positive axillary NSLNM. The AUC values were 0.705, 0.711, 0.730, and 0.582 for the MSKCC, Cambridge, Stanford, and Tenon models, respectively. On the multivariate analysis; overall metastasis size (OMS), lymphovascular invasion (LVI), and proportion of positive SLN to total SLN were found statistically significant. We created a formula to predict the NSLNM in our patient population and the AUC value of this formula was 0.8023. CONCLUSIONS The MSKCC, Cambridge, and Stanford nomograms were good discriminators of NSLNM in SLN positive BC patients in this study. A newly created formula in this study needs to be validated in prospective studies in different patient populations. A nomogram to predict NSLNM in patients with positive SLN biopsy developed at one institution should be used with caution.
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Affiliation(s)
- A S Gur
- Ataturk Teaching and Research Hospital, Izmir, Turkey
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Unal B, Gur AS, Ahrendt G, Johnson R, Bonaventura M, Soran A. Can Nomograms Predict Non–Sentinel Lymph Node Metastasis After Neoadjuvant Chemotherapy in Sentinel Lymph Node–Positive Breast Cancer Patients? Clin Breast Cancer 2009; 9:92-5. [DOI: 10.3816/cbc.2009.n.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Predictive factors for non-sentinel lymph node involvement in breast cancer patients with a positive sentinel node: should we consider sentinel node-related factors? Clin Transl Oncol 2009; 11:165-71. [DOI: 10.1007/s12094-009-0333-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Gur AS, Unal B, Johnson R, Ahrendt G, Bonaventura M, Gordon P, Soran A. Predictive probability of four different breast cancer nomograms for nonsentinel axillary lymph node metastasis in positive sentinel node biopsy. J Am Coll Surg 2008; 208:229-35. [PMID: 19228534 DOI: 10.1016/j.jamcollsurg.2008.10.029] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2008] [Revised: 10/08/2008] [Accepted: 10/28/2008] [Indexed: 01/17/2023]
Abstract
BACKGROUND Although completion axillary lymph node dissection (CALND) is the gold standard for evaluating axillary status after identification of a positive sentinel lymph node (SLN) in breast cancer, almost 40% to 70% of SLN-positive patients will have negative non-SLNs. To predict non-SLN metastases (NSLNM) in patients with a positive SLN biopsy, four different nomograms have been created. The aim of this study was to evaluate the accuracy of four different nomograms in our SLN-positive breast cancer patients. STUDY DESIGN We identified 319 patients who had a positive SLN biopsy and CALND at our hospital during an 8-year period. Breast cancer nomograms developed by Memorial Sloan-Kettering Cancer Center, Tenon Hospital, Cambridge University, and Stanford University were used to calculate the probability of NSLNM. The area under the receiver operating characteristics curve was calculated for each nomogram, and values greater than 0.70 were accepted as demonstrating considerable discrimination. RESULTS One hundred seven of 319 patients (33.5%) had positive axillary NSLNM. The mean number of SLNs was 2.01 (range, 1 to 11 nodes), and the mean number of positive SLNs was 1.44 (range, 1 to 9 nodes). The area under the curve values were 0.70, 0.69, 0.69, and 0.64 for the Memorial Sloan-Kettering Cancer Center, Tenon, Cambridge, and Stanford models, respectively. CONCLUSIONS We found that the Memorial Sloan-Kettering Cancer Center nomogram was more predictive than the other nomograms, but the Cambridge model and the Tenon model reached borderline values for accurate prediction. Nomograms developed at other institutions should be used with caution when counseling patients about the risk of additional nodal disease.
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Affiliation(s)
- Akif S Gur
- Department of Surgery, Magee-Women's Hospital of the University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA 15213, USA
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Unal B, Gur AS, Kayiran O, Johnson R, Ahrendt G, Bonaventura M, Soran A. Models for predicting non-sentinel lymph node positivity in sentinel node positive breast cancer: the importance of scoring system. Int J Clin Pract 2008; 62:1785-91. [PMID: 19143863 DOI: 10.1111/j.1742-1241.2008.01887.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Although delayed axillary lymph node dissection is the gold standard for evaluating axillary status after identification of a positive sentinel lymph node (SLN), between 40% and 70% of sentinel lymph node positive patients will have negative non-sentinel nodes and undergo a non-therapeutic axillary dissection. Accurate estimates of the likelihood of additional disease in the axilla can assist decision-making about further treatment. To predict non-SLN metastases in patients with a positive SLN biopsy, four different nomograms have been created. METHOD This paper reviews the scoring systems and nomograms reported in the literature and compares their predictive probability of non-SLN involvement in patients with SLN positive breast cancer. RESULT There are several published scoring systems that contain different parameters to estimate the rate of non-SLN metastases in SLN positive patients. We reviewed Memorial Sloan-Kettering Cancer Center (MSKCC), Tenon, Stanford and Cambridge nomograms published and used scoring systems including three to eight variables. We found that the MSKCC nomogram is the most validated model in the literature to predict non-SLN status accurately. The other three models have not yet been verified in outside institutions. CONCLUSION Despite having some limitations, the MSKCC nomogram is the most validated model in the literature. These models should be tested and verified in different programs and different patient groups before they are widely accepted.
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Affiliation(s)
- B Unal
- Department of Surgical Oncology, Magee-Womens Hospital of University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Li J, Rudas M, Kemmner W, Warnick P, Fischer J, Gnant M, Schlag PM, Bembenek A. The location of small tumor deposits in the SLN predicts Non-SLN macrometastases in breast cancer patients. Eur J Surg Oncol 2008; 34:857-862. [PMID: 17764886 DOI: 10.1016/j.ejso.2007.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2007] [Accepted: 07/16/2007] [Indexed: 11/29/2022] Open
Abstract
AIMS The extent to which the location of micrometastases (MIC) or isolated tumor cells (ITC) in sentinel lymph nodes (SLNs) is correlated with the risk of downstream metastases is still unknown. This study examined this issue and compared the impact of MIC/ITC location with other established risk factors. METHODS Paraffin slides of SLNs with MIC/ITC-involvement obtained from 68 breast cancer patients were evaluated for MIC/ITC location, lesion size, and various SLN morphologic features. These parameters, together with demographic data and primary tumor characteristics, were analyzed using univariate and multivariate analysis to determine their association with the presence of downstream macrometastases in Non-SLN. RESULTS Eighteen of 68 patients with MIC (n=37) or ITC (n=31) had Non-SLN metastases. After multivariate analysis, the location of MIC/ITC in the SLN (parenchyma vs. sinus/vessel) had the strongest association with the presence of Non-SLN macrometastases (p<0.0001), followed by the pT-category (p=0.008). Sixteen of 18 patients with parenchymal involvement but only 2 of 31 without parenchymal involvement had Non-SLN macrometastases. The metric size of the primary tumor and the estrogen receptor status were significantly associated only on univariate analysis (p=0.041, 0.034), whereas the correlation to the size classification for tumor cell deposits (MIC vs. ITC) was not significant (p=0.077). CONCLUSIONS The results indicate that lesion location is an important predictor of Non-SLN-macrometastases. This finding may simplify the decision for axillary treatment in patients with small tumor deposits in the SLN.
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Affiliation(s)
- J Li
- Department of Surgery and Surgical Oncology, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany
| | - M Rudas
- Department of Pathology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - W Kemmner
- Department of Surgery and Surgical Oncology, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany
| | - P Warnick
- Department of Surgery and Surgical Oncology, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany
| | - J Fischer
- Department of Electronic Data Processing & Statistics, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany
| | - M Gnant
- Department of Surgical-Experimental Oncology in the Department of Surgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - P M Schlag
- Department of Surgery and Surgical Oncology, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany
| | - A Bembenek
- Department of Surgery and Surgical Oncology, Robert-Roessle Cancer Center at the Max-Delbrueck-Center of Molecular Medicine, Charité University Medicine Berlin, Campus Buch, in "Helios Klinikum Berlin", Lindenberger Weg 80, D13125 Berlin, Germany.
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Management of the axilla after the finding of a positive sentinel lymph node: a proposal for an evidence-based risk-adapted algorithm. Am J Clin Oncol 2008; 31:293-9. [PMID: 18525310 DOI: 10.1097/coc.0b013e318161dc1b] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Axillary lymph node dissection after the finding of a positive sentinel lymph node is a common clinical practice. A review is performed for the efficacy and morbidity of axillary lymph node dissection, the rationale for nonsurgical management of the axilla, and the efficacy, technical limitations, and toxicity of axillary radiation therapy; a management algorithm is then proposed based upon currently available prediction tools.
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New models and online calculator for predicting non-sentinel lymph node status in sentinel lymph node positive breast cancer patients. BMC Cancer 2008; 8:66. [PMID: 18315887 PMCID: PMC2311316 DOI: 10.1186/1471-2407-8-66] [Citation(s) in RCA: 188] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2007] [Accepted: 03/04/2008] [Indexed: 12/15/2022] Open
Abstract
Background Current practice is to perform a completion axillary lymph node dissection (ALND) for breast cancer patients with tumor-involved sentinel lymph nodes (SLNs), although fewer than half will have non-sentinel node (NSLN) metastasis. Our goal was to develop new models to quantify the risk of NSLN metastasis in SLN-positive patients and to compare predictive capabilities to another widely used model. Methods We constructed three models to predict NSLN status: recursive partitioning with receiver operating characteristic curves (RP-ROC), boosted Classification and Regression Trees (CART), and multivariate logistic regression (MLR) informed by CART. Data were compiled from a multicenter Northern California and Oregon database of 784 patients who prospectively underwent SLN biopsy and completion ALND. We compared the predictive abilities of our best model and the Memorial Sloan-Kettering Breast Cancer Nomogram (Nomogram) in our dataset and an independent dataset from Northwestern University. Results 285 patients had positive SLNs, of which 213 had known angiolymphatic invasion status and 171 had complete pathologic data including hormone receptor status. 264 (93%) patients had limited SLN disease (micrometastasis, 70%, or isolated tumor cells, 23%). 101 (35%) of all SLN-positive patients had tumor-involved NSLNs. Three variables (tumor size, angiolymphatic invasion, and SLN metastasis size) predicted risk in all our models. RP-ROC and boosted CART stratified patients into four risk levels. MLR informed by CART was most accurate. Using two composite predictors calculated from three variables, MLR informed by CART was more accurate than the Nomogram computed using eight predictors. In our dataset, area under ROC curve (AUC) was 0.83/0.85 for MLR (n = 213/n = 171) and 0.77 for Nomogram (n = 171). When applied to an independent dataset (n = 77), AUC was 0.74 for our model and 0.62 for Nomogram. The composite predictors in our model were the product of angiolymphatic invasion and size of SLN metastasis, and the product of tumor size and square of SLN metastasis size. Conclusion We present a new model developed from a community-based SLN database that uses only three rather than eight variables to achieve higher accuracy than the Nomogram for predicting NSLN status in two different datasets.
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Ho VK, van der Heiden-van der Loo M, Rutgers EJ, van Diest PJ, Hobbelink MG, Tjan-Heijnen VC, Dirx MJ, Reedijk AM, van Dijck JA, van de Poll-Franse LV, Schaapveld M, Peeters PH. Implementation of sentinel node biopsy in breast cancer patients in the Netherlands. Eur J Cancer 2008; 44:683-91. [DOI: 10.1016/j.ejca.2008.01.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2007] [Revised: 01/16/2008] [Accepted: 01/28/2008] [Indexed: 02/06/2023]
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Comparative evaluation of an extensive histopathologic examination and a real-time reverse-transcription-polymerase chain reaction assay for mammaglobin and cytokeratin 19 on axillary sentinel lymph nodes of breast carcinoma patients. Ann Surg 2008; 247:136-42. [PMID: 18156933 DOI: 10.1097/sla.0b013e318157d22b] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To assess the accuracy of a commercially available real-time reverse-transcription-polymerase chain reaction assay for mammaglobin and cytokeratin 19 mRNAs [GeneSearch Breast Lymph Node (BLN) Assay, Veridex LLC, Warren, NJ] in the detection of axillary sentinel lymph nodes (SLNs) metastases in patients with breast carcinoma. SUMMARY BACKGROUND DATA Because of the lack of standardized and widely accepted protocols for a truly accurate histopathologic examination of SLN, the relative merits of alternative assays based on the identification of tumor specific mRNA markers deserve further assessment. METHODS : A prospective series of 293 consecutive SLNs from 293 patients was evaluated. The BLN assay results were compared with those of an extensive histopathologic examination of the entire SLNs performed on serial frozen sections cut at 40 to 50 microm intervals. RESULTS The BLN assay correctly identified 51 of 52 macrometastatic and 5 of 20 micrometastatic SLNs, with a sensitivity of 98.1% to detect metastases larger than 2 mm, 94.7% for metastases larger than 1 mm, and 77.8% for metastases larger than 0.2 mm. The overall concordance with histopathology was 90.8%, with specificity of 95.0%, positive predictive value of 83.6%, and negative predictive value of 92.9%. When the results were evaluated according to the occurrence of additional metastases to non-SLN in patients with histologically positive SLNs, the assay was positive in 33 (91.7%) of the 36 patients with additional metastases and in 22 (66.6%) of the 33 patients without further echelon involvement. CONCLUSIONS The sensitivity of the reverse-transcription -polymerase chain reaction assay is comparable to that of the histopathologic examination of the entire SLN by serial sectioning at 1.5 to 2 mm.
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