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Radiotherapy for Breast cancer

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https://www.readbyqxmd.com/read/28646773/survival-outcomes-of-patients-with-lobular-carcinoma-in-situ-who-underwent-bilateral-mastectomy-or-partial-mastectomy
#1
Ze-Ming Xie, Jian Sun, Zhe-Yu Hu, Yao-Pan Wu, Peng Liu, Jun Tang, Xiang-Sheng Xiao, Wei-Dong Wei, Xi Wang, Xiao-Ming Xie, Ming-Tian Yang
AIM: To compare the survival outcomes between patients treated with bilateral mastectomy and partial mastectomy alone as the initial surgical management for primary lobular carcinoma in situ (LCIS). PATIENTS AND METHODS: Patients with histologically confirmed LCIS underwent partial mastectomy alone or bilateral mastectomy were identified by the SEER*Stat database (version 8.3.2) released in 2016. The primary outcome measure was all-cause mortality and the secondary outcome measure was breast cancer-specific mortality...
June 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28646345/increasing-utilization-of-regional-nodal-irradiation-in-elderly-node-positive-women-and-declining-emphasis-on-demographic-factors
#2
Jason K Molitoris, Tejan Diwanji, James W Snider, Emily C Bellavance, Susan B Kesmodel, Paula Rosenblatt, Katherine Tkaczuk, Soren M Bentzen, Randi J Cohen, Elizabeth M Nichols, Sally B Cheston, Steven J Feigenberg
PURPOSE: To evaluate the practice patterns for the use of regional nodal irradiation (RNI) in treatment of elderly women with low volume node-positive breast cancer in the setting of breast conservation surgery (BCS). METHODS: Women aged 70-89 diagnosed with unilateral, pathologic T1-2N1M0 breast cancer from 2004 to 2013, who underwent BCS and received radiotherapy were identified from the National Cancer Database. In 2011, two major trials were presented that helped define indications for RNI...
June 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28646251/cardiac-dose-sparing-effects-of-deep-inspiration-breath-hold-in-left-breast-irradiation-is-imrt-more-beneficial-than-vmat
#3
Mazen Sakka, Leonie Kunzelmann, Martin Metzger, Gerhard G Grabenbauer
BACKGROUND: Given the reduction in death from breast cancer, as well as improvements in overall survival, adjuvant radiotherapy is considered the standard treatment for breast cancer. However, left-sided breast irradiation was associated with an increased rate of fatal cardiovascular events due to incidental irradiation of the heart. Recently, considerable efforts have been made to minimize cardiac toxicity of left-sided breast irradiation by new treatment methods such as deep-inspiration breath-hold (DIBH) and new radiation techniques, particularly intensity modulated radiotherapy (IMRT) and volumetric modulated arc therapy (VMAT)...
June 23, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28643745/adjuvant-hypofractionated-radiation-in-carcinoma-breast-photon-versus-electron-comparison-of-treatment-outcome
#4
G Prameela Chelakkot, Rahul Ravind, K Sruthi, Namrata Chigurupati, Sanketh Kotne, Raghavendra Holla, Ram Madhavan, M Dinesh
BACKGROUND: Breast cancer tissue is sensitive to hypofractionation. This is an analysis of patients treated with hypofractionated protocols since 2009, at our tertiary cancer center. METHODS: Details of breast cancer patients treated with adjuvant hypofractionated external beam radiation therapy (EBRT) from January 2009 to December 2014 were retrieved and analyzed. RESULTS: One thousand seven hundred and eighty patients received adjuvant EBRT during this period...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643731/cardiotoxic-effects-of-radiotherapy-and-strategies-to-reduce-them-in-patients-with-breast-cancer-an-overview
#5
REVIEW
Katarzyna Rygiel
Cardiotoxicity of various anticancer therapies, including radiotherapy (RT), can lead to cardiovascular (CV) complications, and their severity depends on many factors, including the site of action, the applied dose, the method of administration, the presence of pre-existing CV diseases, or CV risk factors, the individual patient characteristics, and the current or previous use of antineoplastic therapies. Cardiotoxicity can occur immediately upon administration of the anticancer therapy or it may have a delayed onset (months or years after the treatment)...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28642964/metastasis-of-breast-cancer-cells-to-the-bone-lung-and-lymph-nodes-promotes-resistance-to-ionizing-radiation
#6
Takamitsu Hara, Manabu Iwadate, Kazunoshin Tachibana, Satoshi Waguri, Seiichi Takenoshita, Nobuyuki Hamada
BACKGROUND: Metastasis represents the leading cause of breast cancer deaths, necessitating strategies for its treatment. Although radiotherapy is employed for both primary and metastatic breast cancers, the difference in their ionizing radiation response remains incompletely understood. This study is the first to compare the radioresponse of a breast cancer cell line with its metastatic variants and report that such metastatic variants are more radioresistant. MATERIALS AND METHODS: A luciferase expressing cell line was established from human basal-like breast adenocarcinoma MDA-MB-231 and underwent in vivo selections, whereby a cycle of inoculations into the left cardiac ventricle or the mammary fat pad of athymic nude mice, isolation of metastases to the bone, lung and lymph nodes visualized with bioluminescence imaging, and expansion of obtained cells was repeated twice or three times...
June 22, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28636294/-selective-therapeutic-de-escalation-in-early-stage-breast-cancer
#7
Aikaterini Liapi, Apostolos Sarivalasis, Wendy Jeanneret Sozzi, Loïc Lelièvre, Khalil Zaman
The survival of patients with breast cancer has improved considerably thanks to adjuvant radiotherapy and systemic treatments. Due to the potential adverse events associated with these treatments, a de-escalation effort was undertaken concerning surgery and more recently the adjuvant treatments. Conservative breast surgery and the avoidance of axillary dissection were possible for the majority of the patients without detrimental effect on survival. New radiotherapy techniques and the consideration of cancer biology allowed to better protect the peripheral organs and even to avoid treatment in certain low-risk patients...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28635235/-the-role-of-postmastectomy-radiotherapy-in-clinical-t1-3n1m0-breast-cancer-patients-with-pathological-negative-lymph-nodes-after-neoadjuvant-chemotherapy-and-mastectomy
#8
Q L Rong, S L Wang, Y Tang, J Jin, Y W Song, W H Wang, Y P Liu, H Fang, H Ren, X F Liu, Z H Yu, Y X Li
Objective: To analyze the outcomes of clinical T1-3N1M0 breast cancer patients with pathological negative axillary lymph nodes (ypN0) after neoadjuvant chemotherapy (NAC) and mastectomy, and investigate the role of postmastectomy radiotherapy (PMRT). Methods: A total of 185 patients with clinical T1-3N1M0 breast cancer treated between 1999 and 2013 were retrospectively reviewed. All patients were treated with NAC and mastectomy, and achieved ypN0. Of them, 89 patients received additional PMRT and 96 patients did not...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28633637/seroma-change-during-magnetic-resonance-imaging-guided-partial-breast-irradiation-and-its-clinical-implications
#9
Seung Hyuck Jeon, Kyung Hwan Shin, So-Yeon Park, Jung-In Kim, Jong Min Park, Jin Ho Kim, Eui Kyu Chie, Hong-Gyun Wu
BACKGROUND: To investigate the patterns of post-lumpectomy seroma volume (SV) change and related clinical factors to determine the benefits of adaptive planning in magnetic resonance imaging (MRI)-guided partial breast irradiation (PBI). METHODS: MRI data obtained from 37 women with early breast cancer acquired at simulation and at the 1st, 6th, and 10th fractions were analyzed. The planning target volume (PTV) was defined as unequal margins of 10-15 mm added according to the directional surgical margin status of each seroma...
June 20, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28632729/radiation-associated-breast-cancer-and-gonadal-hormone-exposure-a-report-from-the-childhood-cancer-survivor-study
#10
Chaya S Moskowitz, Joanne F Chou, Charles A Sklar, Dana Barnea, Cécile M Ronckers, Danielle Novetsky Friedman, Joseph P Neglia, Lucie Turcotte, Rebecca M Howell, Tara O Henderson, Gregory T Armstrong, Wendy M Leisenring, Leslie L Robison, Flora E van Leeuwen, Malcolm C Pike, Kevin C Oeffinger
BACKGROUND: The relationship between hormone exposure and breast cancer risk in women treated with chest radiotherapy for childhood cancer is uncertain. METHODS: Participants included 1108 females from the Childhood Cancer Survivor Study who were diagnosed with childhood cancer 1970-1986, treated with chest radiotherapy, and survived to ages ⩾20 years. Hazard ratios (HRs) and 95% confidence intervals (CIs) from Cox models adjusted for chest radiation field, delivered dose, anthracycline exposure, and age at childhood cancer estimated risk...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28631018/personalized-radiotherapy-for-invasive-breast-cancer-in-2017-national-s3-guidelines-and-degro-and-ago-recommendations
#11
EDITORIAL
Frederik Wenz, Wilfried Budach
No abstract text is available yet for this article.
June 19, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28629338/a-phase-2-randomized-trial-to-evaluate-the-impact-of-a-supervised-exercise-program-on-cardiotoxicity-at-3%C3%A2-months-in-patients-with-her2-overexpressing-breast-cancer-undergoing-adjuvant-treatment-by-trastuzumab-design-of-the-cardapac-study
#12
Quentin Jacquinot, Nathalie Meneveau, Marion Chatot, Franck Bonnetain, Bruno Degano, Malika Bouhaddi, Gilles Dumoulin, Dewi Vernerey, Xavier Pivot, Fabienne Mougin
BACKGROUND: The overexpression of human epidermal growth factor receptor-2 (HER2) in breast cancer is a poor prognosis. Trastuzumab improves overall survival but is associated with cardiotoxicity, especially a decline in left ventricular ejection fraction (LVEF). In addition, chemotherapy and radiotherapy increase fatigue and pain, decrease physical capacity and health-related quality of life. To date, no study has evaluated the benefits of physical activity on the side effects of treatment in patients with HER2 positive breast cancer...
June 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28627761/biological-effects-of-hydrogen-peroxide-administered-intratumorally-with-or-without-irradiation-in-murine-tumors
#13
Taiki Takaoka, Yuta Shibamoto, Masayuki Matsuo, Chikao Sugie, Taro Murai, Yasutaka Ogawa, Akifumi Miyakawa, Yoshihiko Manabe, Takuhito Kondo, Koichiro Nakajima, Dai Okazaki, Takahiro Tsuchiya
Despite insufficient laboratory data, radiotherapy after intratumoral injection of hydrogen peroxide (H2 O2 ) is increasingly being used clinically for radioresistant tumors. Especially, this treatment might become an alternative definitive treatment for early and advanced breast cancer in patients who refuse any type of surgery. The purpose of this study was to investigate the biological effects and appropriate combination methods of irradiation and H2 O2 in vivo. SCCVII tumor cells transplanted into the legs of C3H/HeN mice were used...
June 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/28624788/systematic-review-and-meta-analysis-of-the-efficacy-of-breast-conservation-therapy-followed-by-radiotherapy-in-four-breast-cancer-subtypes
#14
Xin-Bin Pan, Rou-Jun Chen, Shi-Ting Huang, Yan-Ming Jiang, Xiao-Dong Zhu
The different molecular subtypes of breast cancer are associated with distinct outcomes. We assessed the efficacy of breast conservation therapy (BCT) followed by radiotherapy for patients with different breast cancer subtypes. We searched the MEDLINE, EMBASE, and Cochrane Library databases to identify studies published prior to April 30, 2016 that assessed the efficacy of BCT followed by radiotherapy in breast cancer patients with different molecular subtypes. A meta-analysis of seven studies that included 3,798 luminal A, 770 luminal B, 344 human epidermal growth factor receptor 2 (Her-2), and 767 triple-negative breast cancer (TNBC) patients was performed...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624714/patient-reported-outcomes-of-autologous-fat-grafting-after-breast-cancer-surgery
#15
A W W Brown, M Kabir, K A Sherman, F Meybodi, J R French, E B Elder
INTRODUCTION: Autologous fat grafting (AFG) can be used as an adjunct in breast cancer surgery to improve contour defects. Few previous studies have assessed patient reported outcomes (PROs) for AFG. This study analysed AFG use and assessed PROs in terms of physical and psychosocial well-being. MATERIALS AND METHODS: All patients undergoing AFG were identified from a prospective database and asked to complete the validated BREAST-Q questionnaire and a tool to assess patient-perceived change after AFG (5-point Likert-type scale)...
June 15, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28623402/the-impact-of-breast-cancer-treatments-on-sleep-quality-1%C3%A2-year-after-cancer-diagnosis
#16
Filipa Fontes, Susana Pereira, Ana Rute Costa, Marta Gonçalves, Nuno Lunet
PURPOSE: The increasing number of women living longer with potential side effects of breast cancer treatment highlights the need of a comprehensive assessment of its burden. Therefore, we aimed to quantify the relation between different breast cancer treatments and sleep quality 1 year after diagnosis. METHODS: A cohort of 502 newly diagnosed breast cancer patients was prospectively followed. Sleep quality was evaluated with the Pittsburgh Sleep Quality Index (PSQI), at baseline and at the 1-year follow-up...
June 16, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28622765/unusual-primary-breast-cancer-malignant-peripheral-nerve-sheath-tumor-a-case-report-and-review-of-the-literature
#17
Md Shuayb, Rabeya Begum
BACKGROUND: Sarcomas are a rare type of breast malignancies and malignant peripheral nerve sheath tumors of the breast are even rarer. There are no specific clinical and radiological features for the diagnosis of this tumor and histological features are also reported to be nonspecific. Therefore, immunohistochemistry is required for its diagnosis. A definitive treatment protocol is unavailable because of its rarity. CASE PRESENTATION: We report a case of a sporadic form of breast malignant peripheral nerve sheath tumor found in a 16-year-old Asian Bangladeshi girl...
June 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28620141/impact-of-persistence-on-survival-of-patients-with-breast-cancer-treated-with-endocrine-therapy-in-northeast-china-a-prospective-study
#18
Peng Xing, Huiting Dong, Qun Liu, Fan Yao, Yingying Xu, Bo Chen, Xinyu Zheng, Yunfei Wu, Feng Jin, Jiguang Li
The purpose of this prospective study is to investigate the impact of endocrine treatment persistence on the survival of patients with estrogen receptor-positive breast cancer treated with endocrine therapy and identify the risk factors influencing the treatment persistence. We enrolled 1085 patients from Northeast China who were diagnosed as stage I-III, estrogen receptor-positive breast cancer between January 2007 and December 2010. The prognostic factors for disease-free survival (DFS) and overall survival (OS) of patients were identified using univariate and multivariate Cox proportional hazards regression models...
June 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28618843/risk-of-cardiac-death-among-cancer-survivors-in-the-united-states-a-seer-database-analysis
#19
Omar Abdel-Rahman
 Background: Population-based data on the risk of cardiac death among cancer survivors are needed. This scenario was evaluated in cancer survivors (>5 years) registered within the Surveillance, Epidemiology and End Results (SEER) database. METHODS: The SEER database was queried using SEER*Stat to determine the frequency of cardiac death compared to other causes of death; and to determine heart disease-specific and cancer-specific survival rates in survivors of each of the 10 most common cancers in men and women in the SEER database...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28615972/single-nucleotide-polymorphisms-and-unacceptable-late-toxicity-in-breast-cancer-adjuvant-radiotherapy-a-case-report
#20
Grazia Lazzari, Maria Iole Natalicchio, Angela Terlizzi, Francesco Perri, Giovanni Silvano
BACKGROUND: There has recently been a strong interest in the inter-individual variation in normal tissue and tumor response to radiotherapy (RT), because tissue radiosensitivity seems to be under genetic control. Evidence is accumulating on the role of polymorphic genetic variants, such as single nucleotide polymorphisms (SNPs) that could influence normal tissue response after radiation. The most studied SNPs include those in genes involved in DNA repair (single- and double-strand breaks, and base excision) and those active in the response to oxidative stress...
2017: Breast Cancer: Targets and Therapy
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