scholarly journals Comparison of two treatment strategies for irradiation of regional lymph nodes in patients with breast cancer: Lymph flow guided portals versus standard radiation fields

2015 ◽  
Vol 20 (1) ◽  
pp. 27-31 ◽  
Author(s):  
Sergey Nikolaevich Novikov ◽  
Sergey Vasilevich Kanaev ◽  
Vladimir Fedorovich Semiglazov ◽  
Ludmila Alekseevna Jukova ◽  
Pavel Ivanovich Krzhivitckiy
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Treatment Strategies ◽  
Lymph Flow ◽  
Regional Lymph Nodes ◽  
Radiation Fields

scholarly journals Nomogram for Predicting Preoperative Regional Lymph Nodes Metastasis in Patients with Metaplastic Breast Cancer: A SEER Population-Based Study

2021 ◽  
Author(s):  
Mi Zhang ◽  
Biyuan Wang ◽  
Na Liu ◽  
Hui Wang ◽  
Juan Zhang ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Treatment Strategies ◽  
Population Based ◽  
Training Set ◽  
Metaplastic Breast Cancer ◽  
Perfect Agreement ◽  
Regional Lymph Nodes ◽  
Prediction Ability ◽  
Lymph Nodes Metastasis

Abstract Background: Metaplastic breast cancer (MBC) is a rare subtype of breast cancer, and generally associated with poor outcomes. Lymph nodes metastasis (LNM) is confirmed as a critical independent prognostic factor and determine the optimal treatment strategies in MBC patients. We aimed to develop and validate a nomogram to predict the possibility of preoperative regional LNM in MBC patients.Methods: MBC patients diagnosed between 1990 and 2016 in the Surveillance, Epidemiology, and End Results (SEER) database were included and stochastically divided into a training set and validation set at a ratio of 7:3. The risk variables of regional LNM in the training set were determined by univariate and multivariate logistic regression analyses. And then we integrated those risk factors to construct the nomogram. The prediction nomogram was further verified in the verification set. The discrimination, calibration and clinical utility of the nomogram were evaluated by the area under the receiver operating characteristic (ROC) curve (AUC), calibration plots and decision curve analysis (DCA), respectively.Results: A total of 2205 female MBC patients were included in the study. Among the 2205 patients, 24.8% (546/2205) had positive regional lymph nodes. The nomogram for predicting the risk of regional LNM contained predictors of grade, estrogen receptor (ER) status and tumor size, with AUC of 0.683 (95% confidence interval (CI): 0.653-0.713) and 0.667 (95% CI: 0.621-0.712) in the training and validation sets, respectively. Calibration plots showed perfect agreement between actual and predicted regional LNM risks. At the same time, DCA of the nomogram demonstrated good clinical utilities.Conclusions: The nomogram established in this study showed excellent prediction ability, and could be used to preoperatively estimate the regional LNM risk in MBC.

scholarly journals Nomogram for predicting preoperative regional lymph nodes metastasis in patients with metaplastic breast cancer: a SEER population-based study

BMC Cancer ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Mi Zhang ◽  
Biyuan Wang ◽  
Na Liu ◽  
Hui Wang ◽  
Juan Zhang ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Treatment Strategies ◽  
Population Based ◽  
Training Set ◽  
Metaplastic Breast Cancer ◽  
Perfect Agreement ◽  
Regional Lymph Nodes ◽  
Prediction Ability ◽  
Lymph Nodes Metastasis

Abstract Background Metaplastic breast cancer (MBC) is a rare subtype of breast cancer, and generally associated with poor outcomes. Lymph nodes metastasis (LNM) is confirmed as a critical independent prognostic factor and determine the optimal treatment strategies in MBC patients. We aimed to develop and validate a nomogram to predict the possibility of preoperative regional LNM in MBC patients. Methods MBC patients diagnosed between 1990 and 2016 in the Surveillance, Epidemiology, and End Results (SEER) database were included and stochastically divided into a training set and validation set at a ratio of 7:3. The risk variables of regional LNM in the training set were determined by univariate and multivariate logistic regression analyses. And then we integrated those risk factors to construct the nomogram. The prediction nomogram was further verified in the verification set. The discrimination, calibration and clinical utility of the nomogram were evaluated by the area under the receiver operating characteristic (ROC) curve (AUC), calibration plots and decision curve analysis (DCA), respectively. Results A total of 2205 female MBC patients were included in the study. Among the 2205 patients, 24.8% (546/2205) had positive regional lymph nodes. The nomogram for predicting the risk of regional LNM contained predictors of grade, estrogen receptor (ER) status and tumor size, with AUC of 0.683 (95% confidence interval (CI): 0.653–0.713) and 0.667 (95% CI: 0.621–0.712) in the training and validation sets, respectively. Calibration plots showed perfect agreement between actual and predicted regional LNM risks. At the same time, DCA of the nomogram demonstrated good clinical utilities. Conclusions The nomogram established in this study showed excellent prediction ability, and could be used to preoperatively estimate the regional LNM risk in MBC.

scholarly journals Hybrid volumetric-modulated arc therapy for postoperative breast cancer including regional lymph nodes: the advantage of dosimetric data and safety of toxicities

2020 ◽  
Vol 61 (5) ◽  
pp. 747-754
Author(s):  
Yoshiko Doi ◽  
Minoru Nakao ◽  
Hideharu Miura ◽  
Shuichi Ozawa ◽  
Masahiro Kenjo ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Irradiation Dose ◽  
Organs At Risk ◽  
Volumetric Modulated Arc Therapy ◽  
Conformity Index ◽  
Regional Lymph Nodes ◽  
Dosimetric Data ◽  
Arc Therapy

ABSTRACT To improve the homogeneity and conformity of the irradiation dose for postoperative breast cancer including regional lymph nodes, we planned Hybrid volumetric-modulated arc therapy (VMAT), which combines conventional tangential field mainly for the chest area and VMAT mainly for the supraclavicular area and marginal zone. In this study, we compared the dosimetric impact between traditional 3D conformal radiotherapy (3DCRT) and Hybrid VMAT and observed toxicities following Hybrid VMAT. A total of 70 patients indicated between October 2016 and December 2017 were included. The prescribed dose was 50 Gy/25 fractions. For the dosimetric impact, 3DCRT and Hybrid VMAT plans were compared in each patient with respect to the dosimetric parameters. Toxicities were followed using the Common Terminology Criteria for Adverse Events version 4.0. The median follow-up duration was 319 days. For the dosimetric impact, the homogeneity index (HI) and conformity index (CI) of PTV were significantly improved in the Hybrid VMAT plan compared with that in the 3DCRT plan (HI, 0.15 ± 0.07 in Hybrid VMAT vs 0.41 ± 0.19 in 3DCRT, P < 0.001; CI, 1.61 ± 0.44 in Hybrid VMAT vs 2.10 ± 0.56 in 3DCRT, P < 0.001). The mean irradiated ipsilateral lung dose was not significantly different in both plans (12.0 ± 2.4 Gy in Hybrid VMAT vs 11.8 ± 2.8 Gy in 3DCRT, P < 0.533). Regarding toxicity, there were no patients who developed ≥grade 3 acute toxicity and ≥grade 2 pneumonitis during the follow-up. Hybrid VMAT for postoperative breast cancer including regional lymph nodes was a reasonable technique that improved the homogeneity and conformity of the irradiation dose to the planning target volume while keeping the irradiation dose to organs at risk to a minimum.

scholarly journals Surgical component of lateral and central breast cancer treatment

2021 ◽  
Vol 102 (4) ◽  
pp. 479-485
Author(s):  
Z M Abdurakhmanova ◽  
M R Ramazanov ◽  
E I Sigal
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Oxygen Saturation ◽  
Cancer Treatment ◽  
Comparison Group ◽  
Breast Cancer Treatment ◽  
Main Group ◽  
Regional Lymph Nodes ◽  
Hemoglobin Oxygen Saturation ◽  
Arterial Blood

Aim. To improve the results of the surgical component in the treatment of a nodular form of breast cancer with lateral and central localization by analyzing hemoglobin oxygen saturation of arterial blood in the foci of breast cancer, regional lymph nodes and resection line of the breast. Methods. The study involved 175 patients with a nodular form of breast cancer with lateral and central localization (T23N12M0), including 86 in the main group and 89 in the comparison group. In the main group, hemoglobin oxygen saturation in arterial blood of the foci of breast cancer, parenchyma, pectoral muscles and regional lymph nodes was examined for spread of cancer during surgery for nodular breast cancer by using a device developed by us (patent RU 2581266). This examination was not performed in the comparison group. Histopathological examination of resection specimens revealed confirmation of the main foci of breast cancer and the presence of metastases in the regional lymph nodes and pectoral muscles of the breast. Statistical analysis of the data was performed by using the Statistica 10 software. The arithmetic mean, the standard error of the mean and the standard deviation were calculated for the quantitative indicators. Results. In the main group, 86 patients had no recurrence and metastases in the follow-up, while in the comparison group, cancer recurrence was identified in 89 patients and metastases was found during cytological and histological studies in 9 patients. Conclusion. Determination of hemoglobin oxygen saturation of arterial blood during surgery in the subclavian, axillary and subscapular lymph nodes as well as in the pectoralis major and minor muscles allows clarifying the distribution of breast cancer, specifying the scope of the operation and improving the results of the surgical component of breast cancer treatment (T23N12M0).

scholarly journals Clinical, morphological, and molecular genetic predictors of metastatic lesions in the regional lymph nodes in breast cancer

2018 ◽  
Vol 5 (3) ◽  
pp. 8-16
Author(s):  
Yu. A. Dergunova ◽  
V. V. Podionov ◽  
V. K. Bozhenko ◽  
V. V. Kometova ◽  
M. V. Dardyk
Keyword(s):  
Breast Cancer ◽  
Lymph Node ◽  
Lymph Nodes ◽  
Molecular Genetic ◽  
Regional Lymph Nodes ◽  
Genetic Characteristics ◽  
Metastatic Lesions ◽  
Genetic Predictors ◽  
Node Metastases ◽  
High Degree

Despite the sufficient amount of data accumulated in the literature, there are still no factors, on the basis of which it would be possible to estimate the regional lymph nodes status in breast cancer with a high degree of accuracy. The review presents literature data relating to the influence of clinicopathological, molecular-biological and genetic characteristics of primary tumor on lymph node metastases. Data of 66 foreign and Russian articles are included.

Ultrasound of Regional Lymph Nodes in Breast Cancer

2018 ◽  
pp. 265-284
Author(s):  
Yury Patrunov ◽  
Alexander N. Sencha ◽  
Ekaterina Sencha ◽  
Ella Penyaeva
Keyword(s):  
Breast Cancer ◽  
Lymph Nodes ◽  
Regional Lymph Nodes

Comparison of extramedullary plasmacytomas with solitary and multiple plasma cell tumors of bone.

1983 ◽  
Vol 1 (4) ◽  
pp. 255-262 ◽  
Author(s):  
M A Knowling ◽  
A R Harwood ◽  
D E Bergsagel
Keyword(s):  
Multiple Myeloma ◽  
Lymph Nodes ◽  
Plasma Cell ◽  
Progression Free Survival ◽  
Regional Lymph Nodes ◽  
Osteolytic Lesions ◽  
Radiation Fields ◽  
Bony Lesion ◽  
Tumors Of Bone ◽  
Extramedullary Plasmacytomas

Patients with solitary osseous plasmacytomas (SOP) differ from those with extramedullary plasmacytomas (EMP) in that they are younger and the proportion of males is smaller. The median survival of the two groups is similar: 86.4 mo for SOP, and 100.8 mo for EMP. Progression-free survival, however, is much better for EMP. Only five EMP patients have progressed following initial radiation therapy: one developed a single bony lesion, two progressed to multiple myeloma, and two developed multiple EMP. Thus, 71% of EMP patients are progression free at 10 yr, and most deaths do not result from plasma cell neoplasia. In contrast, 13 SOP patients have progressed to develop additional osteolytic lesions, so that only 16% of SOP patients are progression free at 10 yr; death resulted from progression to multiple myeloma in most of these patients. In EMP patients the occurrence of involved lymph nodes at the time of diagnosis in seven, and initial relapse in regional nodes in three, suggest that consideration should be given to including regional lymph nodes in the radiation fields used to treat these patients.

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