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Radiotherapy for Breast cancer

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https://www.readbyqxmd.com/read/28532106/hydrogel-loaded-with-self-assembled-dextran-sulfate-doxorubicin-complexes-as-a-delivery-system-for-chemotherapy
#1
Xiaoyun Niu, Zhiling Zhang, Yinghui Zhong
Standard clinical care for breast cancer includes lumpectomy followed by localized radiotherapy or chemotherapy. However, both therapies cause loss of normal, healthy tissue in addition to tumor tissue, leading to undesirable side effects. In this study, we found that low dose and prolonged treatment with anticancer drug doxorubicin (DOX) can completely eliminate MDA-MB-231 breast cancer cells with low cytotoxicity to NIH 3T3 fibroblasts. We further developed a novel biomaterial-based drug delivery system for controlled and sustained release of low doses of DOX based on self-assembled dextran sulfate (DS)-DOX complexes...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28529679/new-era-of-electronic-brachytherapy
#2
EDITORIAL
Prabhakar Ramachandran
Traditional brachytherapy refers to the placement of radioactive sources on or inside the cancer tissues. Based on the type of sources, brachytherapy can be classified as radionuclide and electronic brachytherapy. Electronic brachytherapy uses miniaturized X-ray sources instead of radionuclides to deliver high doses of radiation. The advantages of electronic brachytherapy include low dose to organs at risk, reduced dose to treating staff, no leakage radiation in off state, less shielding, and no radioactive waste...
April 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28529208/long-term-cardiovascular-risk-after-radiotherapy-in-women-with-breast-cancer
#3
REVIEW
Yun-Jiu Cheng, Xiao-Ying Nie, Cheng-Cheng Ji, Xiao-Xiong Lin, Li-Juan Liu, Xu-Miao Chen, Hao Yao, Su-Hua Wu
BACKGROUND: Radiotherapy for breast cancer often involves some incidental exposure of the heart to ionizing radiation. The effect of this exposure on the subsequent risk of heart disease is uncertain. We performed a meta-analysis to investigate the link between radiotherapy and long-term cardiovascular morbidity and mortality in patients with breast cancer. METHODS AND RESULTS: We performed a literature search using MEDLINE (January 1966 to January 2015) and EMBASE (January 1980 to January 2015) with no restrictions...
May 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28527420/factors-predictive-of-locoregional-recurrence-following-neoadjuvant-chemotherapy-in-patients-with-large-operable-or-locally-advanced-breast-cancer-an-analysis-of-the-eortc-10994-big-1-00-study
#4
Pauline Gillon, Nathan Touati, Christel Breton-Callu, Leen Slaets, David Cameron, Hervé Bonnefoi
PURPOSE: Identification of clinicopathological factors predicting for a locoregional recurrence (LRR) after neoadjuvant chemotherapy (NAC) could help to decide on the optimal locoregional radiotherapy. The objective of this trial is to identify those factors in the context of a phase III trial (European Organisation for Research and Treatment of Cancer 10994). METHODS: Patients received NAC followed by surgery with or without radiotherapy. Radiotherapy was administered according to pre-specified guidelines...
May 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28526193/effects-of-multiple-breath-hold-reproducibility-on-treatment-localization-and-dosimetric-accuracy-in-radiotherapy-of-left-sided-breast-cancer-with-voluntary-deep-inspiration-breath-hold-technique
#5
Mika Kapanen, Marko Laaksomaa, Jani Pehkonen, Mikko Haltamo, Helmi Luukkanen, Turkka Lehtonen, Simo Hyödynmaa, Pirkko-Liisa Kellokumpu-Lehtinen
The purpose of this study was to investigate the effects of breath hold reproducibility on positional and dosimetric errors in radiotherapy of patients with left-sided breast cancer (LSBC) treated with voluntary deep inspiration breath hold (vDIBH) technique. Clinical data from 2 groups of patients with LSBC were retrospectively investigated: (1) those irradiated for the whole breast only (WB group, n = 20) using typically from 3 to 5 breath holds per treatment session and (2) those irradiated simultaneously also for supraclavicular lymph nodes (WB + SLN group, n = 27) using from 7 to 9 breath holds per fraction...
May 16, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28523470/short-tangential-arcs-in-vmat-based-breast-and-chest-wall-radiotherapy-lead-to-conformity-of-the-breast-dose-with-lesser-cardiac-and-lung-doses-a-prospective-study-of-breast-conservation-and-mastectomy-patients
#6
Anusheel Munshi, Biplab Sarkar, Anbu Sateeshkumar, Upendra K Giri, Harpreet Kaur, Kanan Jassal, Tharmar Ganesh, Bidhu Kalyan Mohanti
Volumetric modulated arc therapy (VMAT) is modern rotational intensity modulated therapy used for treatment of several sites. The study aimed to analyze partial tangential arc VMAT treatment planning and delivery, including analyzing the cardiac and contralateral breast doses resulting from this technique. A total of 153 consecutively treated breast cancer (conservation as well as mastectomy) patients were taken for this dosimetric study. All patients were planned using partial arc VMAT in the Monaco treatment planning system using two partial arc beams...
May 18, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28521812/radiotherapy-improves-serum-fatty-acids-and-lipid-profile-in-breast-cancer
#7
Sana Shaikh, Naseem Aslam Channa, Farha Naz Talpur, Muhammad Younis, Naila Tabassum
BACKGROUND: Breast cancer is a disease with diverse clinical symptoms, molecular profiles, and its nature to response its therapeutic treatments. Radiotherapy (RT), along with surgery and chemotherapy is a part of treatment in breast cancer. The aim of present study was to investigate pre and post treatment effects of radiotherapy in serum fatty acids and its lipids profile in patients with breast cancer. METHODS: In this comparative as well as follow up study, Serum fatty acids were performed by gas chromatography to investigate fatty acids and Microlab for analysis of lipid profile...
May 18, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28515243/nccn-guidelines-update-evolving-radiation-therapy-recommendations-for-breast-cancer
#8
Kilian E Salerno
In the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Breast Cancer, among adjuvant radiotherapy options for whole-breast irradiation after breast-conserving surgery, hypofractionation is preferred. For the use of accelerated partial-breast irradiation, the NCCN Guidelines have adopted the updated definition of "suitability" used by the American Society for Radiation Oncology. Regional nodal irradiation is indicated-either in the setting of breast-conserving surgery or after mastectomy-for women with ≥4 positive nodes and should be strongly considered for 1 to 3 positive lymph nodes and select patients with node-negative disease deemed at high risk for recurrence...
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28514945/tumor-volume-to-breast-volume-ratio-for-improving-cosmetic-results-in-breast-cancer-patients-turacos-a-randomized-controlled-trial
#9
M Lagendijk, E L Vos, A H J Koning, M G M Hunink, J P Pignol, E M L Corten, C de Monye, C H M van Deurzen, J H van Dam, W W Vrijland, C M E Contant, C Verhoef, W van Lankeren, L B Koppert
BACKGROUND: Cosmetic result following breast conserving surgery (BCS) for cancer influences quality of life and psychosocial functioning in breast cancer patients. A preoperative prediction of expected cosmetic result following BCS is not (yet) standard clinical practice and therefore the choice for either mastectomy or BCS is still subjective. Recently, we showed that tumour volume to breast volume ratio as well as tumour location in the breast are independent predictors of superior cosmetic result following BCS...
May 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28513053/high-frequency-ultrasound-quantification-of-acute-radiation-dermatitis-pilot-study-of-patients-undergoing-radiotherapy-for-breast-cancer
#10
M Garnier, E Champeaux, E Laurent, A Boehm, O Briard, T Wachter, L Vaillant, F Patat, G Bens, L Machet
BACKGROUND: Acute radiation dermatitis (ARD) is a frequent complication after breast cancer radiotherapy and is usually assessed by semi-quantitative clinical scores, which may be subject to inter-observer variability. High-frequency ultrasound imaging of the skin can reliably quantify thickness and edema in diseased skin. We aimed to compare the relative increase in dermal thickness of the irradiated zone in breast-cancer patients undergoing radiotherapy, with clinical severity. METHODS: A consecutive series of patients undergoing treatment for breast cancer by lumpectomy and radiotherapy in a 6-month period also underwent clinical and ultrasound evaluation of ARD...
May 17, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28511975/leptomeningeal-failure-in-patients-with-breast-cancer-receiving-stereotactic-radiosurgery-for-brain-metastases
#11
REVIEW
Edina C Wang, Andrew J Huang, Karen E Huang, Emory R McTyre, Hui-Wen Lo, Kounosuke Watabe, Linda Metheny-Barlow, Adrian W Laxton, Stephen B Tatter, Roy E Strowd, Michael D Chan, Brandi R Page
PURPOSE: Prior studies suggest a high incidence of leptomeningeal failure (LMF) in breast cancer metastatic to brain. This study examines breast cancer-specific variables affecting development of LMF and survival after Gamma-Knife Radiosurgery (GKS). METHODS: Between 2000-2010, 149 (breast) and 658 other-histology patients were treated with GKS. Hormone/HER2, age, local/distant brain failure, prior craniotomy, and prior whole-brain radiotherapy (WBRT) were assessed...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28510090/the-melatonin-immunomodulatory-actions-in-radiotherapy
#12
REVIEW
M Najafi, A Shirazi, E Motevaseli, Gh Geraily, F Norouzi, M Heidari, S Rezapoor
Radiotherapy has a key role in cancer treatment in more than half of patients with cancer. The management of severe side effects of this treatment modality is a limiting factor to appropriate treatment. Immune system responses play a pivotal role in many of the early and late side effects of radiation. Moreover, immune cells have a significant role in tumor response to radiotherapy, such as angiogenesis and tumor growth. Melatonin as a potent antioxidant has shown appropriate immune regulatory properties that may ameliorate toxicity induced by radiation in various organs...
April 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28508834/a-dosimetric-analysis-of-cardiac-dose-with-or-without-active-breath-coordinator-moderate-deep-inspiratory-breath-hold-in-left-sided-breast-cancer-radiotherapy
#13
Beena Kunheri, Sanketh Kotne, Sneha S Nair, Dinesh Makuny
BACKGROUND AND AIM: Cardiac toxicity is a major concern for left breast tangential field irradiation. The left ventricle and left anterior descending (LAD) artery are suggested to be radiosensitive and radiation to these structures leads to late lethal cardiotoxicity. Moderate deep inspiration breath hold (mDIBH) during radiation treatment delivery helps in reducing the cardiac dose. This study compares dosimetric parameters of heart with and without active breath coordinator (ABC) mDIBH during tangential field breast cancer radiation...
January 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28508764/current-incidence-of-different-morphological-types-of-malignant-metastases-to-the-spine-based-on-magnetic-resonance-imaging
#14
Grzegorz Guzik
BACKGROUND: Malignant tumours particularly often metastasise to the spine, causing considerable pain and limiting the patient's physical function. Standard therapy consists in surgical treatment with adjuvant radiotherapy. The qualification for surgery is a multifaceted process and detailed analysis of the morphology of the metastasis is a key factor. Numerous types of classification of metastatic lesions exist, among which the Tomita system, based on MRI findings, appears to be the most practical...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28507871/mammary-malignant-ulcer-after-radiotherapy-unpleasant-surprise
#15
Vincenzo Vindigni, Eva Kohlscheen, Tajna Kraljic, Franco Bassetto, Chiara Pavan
We present a case of a woman, 79 years old, followed by Psychiatry for depressive episodes after breast cancer removal. She was operated on for ductal breast carcinoma in 1983. Afterward she was submitted to adjuvant radiotherapy. She came to our attention for a chronic skin ulcer that developed into the radio-treated area about 4 years ago. We performed a skin biopsy and programed adipose tissue grafts to promote wound healing. The result of the biopsy was unexpected: dermal localization of not differentiated breast carcinoma...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507857/greater-omental-lymph-node-flap-for-upper-limb-lymphedema-with-lymph-nodes-depleted-patient
#16
Yu-Ying Chu, Robert J Allen, Ting-Jung Wu, Ming-Huei Cheng
BACKGROUND: The greater omentum is supplied by the right, middle, and left omental arteries, which arise from the right and left gastroepiploic arteries. All or part of the greater omentum can be harvested based on this blood supply for free tissue transfer. It has stimulated new interest in its use as the donor site in the treatment of lymphedema. For patients who have failed other management options or have limited peripheral lymph node donor sites, the greater omental lymph node flap may offer the best chance for lymphedema treatment...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507456/adjuvant-intraoperative-radiotherapy-for-selected-breast-cancers-in-previously-irradiated-women-evidence-for-excellent-feasibility-and-favorable-outcomes
#17
Gladys Blandino, Marina Guenzi, Liliana Belgioia, Elisabetta Bonzano, Elena Configliacco, Elena Tornari, Francesca Cavagnetto, Davide Bosetti, Alessandra Fozza, Daniele Friedman, Renzo Corvò
BACKGROUND: The present report provides preliminary outcomes with intraoperative radiotherapy delivered to women with breast cancer included in a re-irradiation program. MATERIALS AND METHODS: From October 2010 to April 2014, thirty women were included in a re-irradiation protocol by exploiting IORT technique. The median time between the two irradiations was 10 years (range 3-50). All patients underwent conservative surgery, sentinel lymph node excision and IORT with electron beam delivered by a mobile linear accelerator...
July 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28503719/radiation-and-depression-associated-with-complications-of-tissue-expander-reconstruction
#18
Paul J Chuba, William A Stefani, Carrie Dul, Susan Szpunar, Jeffrey Falk, Rachael Wagner, Elango Edhayan, Anna Rabbani, Cynthia H Browne, Amr Aref
PURPOSE: Rates of implant failure, wound healing delay, and infection are higher in patients having radiation therapy (RT) after tissue expander (TE) and permanent implant reconstruction. We investigated pretreatment risk factors for TE implant complications. PATIENTS AND METHODS: 127 breast cancer patients had TE reconstruction and radiation. For 85 cases of bilateral TE reconstruction, the non-irradiated breast provided an internal control. Comparison of differences in means for continuous variables used analysis of variance, then multiple pairwise comparisons with Bonferroni correction of p value...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503074/acute-radiation-dermatitis-in-breast-cancer-patients-challenges-and-solutions
#19
REVIEW
Adam J Kole, Lauren Kole, Meena S Moran
Nearly all women who receive radiotherapy (RT) for breast cancer experience some degree of radiation dermatitis. However, evidence describing the appropriate management of radiation dermatitis is often lacking or contradictory. Here, we summarize the available literature regarding radiation dermatitis causes, the presentation and timing of symptoms, methods for dermatitis assessment and prevention, and review evidence-based management strategies.
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28502654/radiation-induced-hypothyroidism-in-patients-with-breast-cancer-a-retrospective-analysis-of-243-cases
#20
Gul Kanyilmaz, Meryem Aktan, Mehmet Koc, Hikmettin Demir, Lutfi Saltuk Demir
This study aims to estimate the incidence of hypothyroidism (HT) and to evaluate the predictors affecting the development of HT after radiotherapy (RT) for breast cancer, with a focus on radiation dose-volumetric parameters. Between 2009 and 2015, 243 patients undergoing RT for breast cancer were retrospectively analyzed. Free triiodothyronine (FT3), free thyroxin (FT4), and thyrotropin (TSH) were monitored before and after RT. The relation between the doses to thyroid gland (Dmean, Dmax, Dmin), percentage of thyroid volume receiving > 10 Gy, 20 Gy, 30 Gy, 40 Gy, and 50 Gy (V10 to V50), absolute thyroid volume, and HT were analyzed...
May 11, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
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