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Breast cancer radiotherapy

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https://www.readbyqxmd.com/read/28720256/efficacy-of-a-hydroactive-colloid-gel-versus-historical-controls-for-the-prevention-of-radiotherapy-induced-moist-desquamation-in-breast-cancer-patients
#1
Sandrine Censabella, Stefan Claes, Marc Orlandini, Roel Braekers, Paul Bulens
PURPOSE: Radiotherapy-induced moist desquamation (RIMD) is a complication that can affect patients' quality of life and jeopardize radiotherapy outcomes. The curative use of a hydroactive colloid gel has previously been shown effective in the management of RIMD in breast cancer patients. This study aimed at investigating the efficacy of this same gel but in the prevention of RIMD. METHODS: A group of breast cancer patients who applied the hydroactive gel from start to end of post-lumpectomy radiotherapy (Preventive Hydrogel group) were compared with two groups of matched historical controls: a group applying a dexpanthenol cream throughout their therapy and a group applying first the dexpanthenol cream then, after 11-14 fractions of radiotherapy, the hydroactive gel (Curative Hydrogel group)...
August 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28718725/ellagic-acid-enhances-apoptotic-sensitivity-of-breast-cancer-cells-to-%C3%AE-radiation
#2
Vidhula Ahire, Amit Kumar, Kaushala Prasad Mishra, Gauri Kulkarni
Herbal polyphenols have gained increased significance because of the promises they hold in the prevention and treatment of cancer. There exists an enormous opportunity for the screening and valuation of natural dietary compounds in the development of an effective chemopreventive drug and radiosensitizer that may be of practical use for patients undergoing cancer therapy. This study describes the effect of the flavonoid ellagic acid (EA) on gamma-irradiated human breast cancer MCF-7 cells in vitro when administered alone or in combination with radiation...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28718286/functionalized-selenium-nanosystem-as-radiation-sensitizer-of-125i-seeds-for-precise-cancer-therapy
#3
Yahui Yang, Qiang Xie, Zhennan Zhao, Lizhen He, Leung Chan, Yingxiang Liu, Yongle Chen, Mingjun Bai, Tao Pan, Yanni Qu, Long Ling, Tianfeng Chen
Although radiotherapy has been extensively applied in cancer treatment, external beam radiation therapy is still difficult to avoid damage to adjacent normal tissues in the process of delivering a sufficient radiation dose to the tumor sites of patients. To overcome this limitation, chemoradiotherapy, as a combination of chemotherapy and radiotherapy of radioactive seed, has been proposed to decrease the damage for tumor surrounding tissues and enhance the radiosensitivity of solid tumors. In the study, we designed and synthesized folic acid-conjugated selenium nanoparticles (FA@SeNPs) as cancer-targeting agent, which could be synergistically enhanced by the radioactive 125I seeds to realize anticancer efficacy and inhibited colony formation ability...
July 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28718032/erratum-to-axillary-micrometastases-and-isolated-tumor-cells-are-not-an-indication-for-post-mastectomy-radiotherapy-in-stage-1-and-2-breast-cancer
#4
Anita Mamtani, Sujata Patil, Michelle Stempel, Monica Morrow
No abstract text is available yet for this article.
July 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28717760/pilot-survey-of-breast-cancer-management-in-sub-saharan-africa
#5
Verna D N K Vanderpuye, Olufunmilayo I Olopade, Dezheng Huo
PURPOSE: To understand the current state of breast cancer management in sub-Saharan Africa. METHODS: We conducted an anonymous online survey of breast cancer management among African Organization for Research and Treatment in Cancer (AORTIC) members by using a 42-question structured questionnaire in both English and French in 2013. RESULTS: Twenty members from 19 facilities in 14 countries responded to the survey. Twelve members (60%) belonged to a multidisciplinary breast cancer team...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717396/intraoperative-radiotherapy-review-of-techniques-and-results
#6
REVIEW
Avinash Pilar, Meetakshi Gupta, Sarbani Ghosh Laskar, Siddhartha Laskar
Intraoperative radiotherapy (IORT) is a technique that involves precise delivery of a large dose of ionising radiation to the tumour or tumour bed during surgery. Direct visualisation of the tumour bed and ability to space out the normal tissues from the tumour bed allows maximisation of the dose to the tumour while minimising the dose to normal tissues. This results in an improved therapeutic ratio with IORT. Although it was introduced in the 1960s, it has seen a resurgence of popularity with the introduction of self-shielding mobile linear accelerators and low-kV IORT devices, which by eliminating the logistical issues of transport of the patient during surgery for radiotherapy or building a shielded operating room, has enabled its wider use in the community...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28715150/intraoperative-radiotherapy-patient-selection-management-and-follow-up
#7
REVIEW
Dennis R Holmes, Robert Zimmerman
Intraoperative partial breast radiotherapy is an alternative or an adjunct to fractionated whole breast irradiation for the administration of adjuvant radiotherapy in breast cancer following breast conserving surgery. Establishing intraoperative radiotherapy as a therapeutic modality requires a multidisciplinary approach to patient selection, workup, surgery, radiation protocols, chemotherapy, and patient follow up. In this article, we review the published evidence for best clinical practice, as a guide to the introduction of intraoperative radiotherapy for breast cancer treatment...
July 17, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28713771/integrating-hyperthermia-into-modern-radiation-oncology-what-evidence-is-necessary
#8
REVIEW
Jan C Peeken, Peter Vaupel, Stephanie E Combs
Hyperthermia (HT) is one of the hot topics that have been discussed over decades. However, it never made its way into primetime. The basic biological rationale of heat to enhance the effect of radiation, chemotherapeutic agents, and immunotherapy is evident. Preclinical work has confirmed this effect. HT may trigger changes in perfusion and oxygenation as well as inhibition of DNA repair mechanisms. Moreover, there is evidence for immune stimulation and the induction of systemic immune responses. Despite the increasing number of solid clinical studies, only few centers have included this adjuvant treatment into their repertoire...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28713551/case-report-intramammary-lymph-node-metastasis-of-an-unknown-primary-probably-occult-breast-undifferentiated-carcinoma
#9
Zacharoula Sidiropoulou, Félix Adélia, Isabela Gil, Tobias Teles, Claudia Santos, Lucilia Monteiro
Little is known about the clinical importance of intramammary lymph node metastasis of breast cancer, even though it is not rare. In the present paper, the authors present an unusual, rare case of an intramammary lymph node metastasis of an unknown primary, probably occult breast cancer, and its management. The patient was submitted to various staging exams and surgical procedures and a definitive diagnosis was not established. From a multidisciplinary context, it was assumed that the patient had a breast triple negative primary with axillary involvement...
2017: F1000Research
https://www.readbyqxmd.com/read/28712278/in-vivo-dosimetry-and-acute-toxicity-in-breast-cancer-patients-undergoing-intraoperative-radiotherapy-as-boost
#10
Jason Joon Bock Lee, Jinhyun Choi, Sung Gwe Ahn, Joon Jeong, Ik Jae Lee, Kwangwoo Park, Kangpyo Kim, Jun Won Kim
PURPOSE: To report the results of a correlation analysis of skin dose assessed by in vivo dosimetry and the incidence of acute toxicity. This is a phase 2 trial evaluating the feasibility of intraoperative radiotherapy (IORT) as a boost for breast cancer patients. MATERIALS AND METHODS: Eligible patients were treated with IORT of 20 Gy followed by whole breast irradiation (WBI) of 46 Gy. A total of 55 patients with a minimum follow-up of 1 month after WBI were evaluated...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28711186/megavoltage-2d-topographic-imaging-an-attractive-alternative-to-megavoltage-ct-for-the-localization-of-breast-cancer-patients-treated-with-tomodirect
#11
Philippe Meyer, Fabien Le Pennec, Susanta K Hui, Nicolas Dehaynin, Delphine Jarnet, Matthieu Gantier, Claudine Niederst, Christophe Mazzara, Etienne Baudrier, Vincent Noblet
PURPOSE: To show the usefulness of topographic 2D megavoltage images (MV2D) for the localization of breast cancer patients treated with TomoDirect (TD), a radiotherapy treatment technique with fixed-angle beams performed on a TomoTherapy system. METHODS: A method was developed to quickly localize breast cancer patients treated with TD by registering the MV2D images produced before a TD treatment with reference images reconstructed from a kilovoltage CT simulation scanner and by using the projection of the beam-eye-view TD treatment field...
July 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28709114/isolated-pachymeningeal-metastasis-from-breast-cancer-clinical-features-and-prognostic-factors
#12
Mi Hwa Heo, Yoo Jin Cho, Hee Kyung Kim, Ji-Yeon Kim, Yeon Hee Park
PURPOSE: To evaluate the clinical features and prognoses of patients with isolated pachymeningeal metastasis (IPM) from breast cancer. METHODS: We reviewed the medical records of all patients with metastatic breast cancer (MBC) treated from January 2009 to August 2016. Eligibility criteria included diagnosis of pachymeningeal metastasis based on brain magnetic resonance imaging and histologic diagnosis of primary breast cancer. We excluded patients with concomitant parenchymal or leptomeningeal metastases...
July 11, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28708603/monte-carlo-skin-dose-simulation-in-intraoperative-radiotherapy-of-breast-cancer-using-spherical-applicators
#13
Farhad Moradi, Ngie Min Ung, M U Khandaker, Ghafour Amouzad Mahdiraji, Marniza Saad, Rozita Abdul Malik, Anita Zarina Bustam, Zainor Zaili, David A Bradley
The relatively new treatment modality electronic intraoperative radiotherapy (IORT) is gaining popularity, irradiation being obtained within a surgically produced cavity being delivered via a low-energy X-ray source and spherical applicators, primarily for early stage breast cancer. Due to the spatially dramatic dose-rate fall off with radial distance from the source and effects related to changes in the beam quality of the low keV photon spectra, dosimetric account of the Intrabeam system is rather complex...
July 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28707988/first-clinical-report-of-helical-tomotherapy-with-simultaneous-integrated-boost-for-synchronous-bilateral-breast-cancer
#14
Tabassum Wadasadawala, Shanu Jain, Siji Paul, Reena Phurailatpam, Kishore Joshi, Palak Popat, Sandip Tandon, Aruna Alahari, Rajiv Sarin
OBJECTIVE: Radiotherapy for synchronous bilateral breast cancer (SBBC) is technically very challenging. This study reports the clinical feasibility, dosimetry and safety of helical tomotherapy (HT) with simultaneous integrated boost (SIB) in patients treated with adjuvant radiotherapy for SBBC. MATERIAL AND METHODS: Twenty one women with SBBC treated with HT from January 2013 to June 2016 were retrospectively evaluated. Radiation lung toxicity was assessed using pulmonary function test (PFT) and high resolution computerized tomography scan (HRCT) scan at baseline and 1 year post RT in 18 patients...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28706408/factors-affecting-quality-of-life-in-breast-cancer-patients-a-descriptive-and-cross-sectional-study-with-review-of-literature
#15
Neelam Sharma, Abhishek Purkayastha
OBJECTIVE: This descriptive and cross-sectional study was undertaken to determine the factors affecting quality of life (QOL) in breast cancer patients. METHODS: We collected data from 60 patients of carcinoma breast post modified radical mastectomy on radiotherapy in a tertiary care hospital. We included volunteered patients with a signed informed consent and at least 70 Karnofsky Performance Scale points. The data was gathered by interview technique using EORTC QLQ-C30 and QLQ-BR23 (Breast Cancer Module)...
April 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28706358/response-to-the-comments-on-the-feasibility-study-of-a-hybrid-coplanar-arc-technique-versus-hybrid-intensity-modulated-radiotherapy-in-treatment-of-early-stage-left-sided-breast-cancer-with-simultaneous-integrated-boost-j-med-phys-2017-42-1-8
#16
Yuan-Gui Chen, An-Chuan Li, Wen-Yao Li, Miao-Yun Huang, Xiao-Bo Li, Ming-Qiu Chen, Mutian Zhang, Ben-Hua Xu
No abstract text is available yet for this article.
April 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/28706357/reference-to-chen-yg-li-ac-li-wy-huang-my-li-xb-chen-mq-et-al-the-feasibility-study-of-a-hybrid-coplanar-arc-technique-versus-hybrid-intensity-modulated-radiotherapy-in-treatment-of-early-stage-left-sided-breast-cancer-with-simultaneous-integrated-boost-j-med
#17
https://www.readbyqxmd.com/read/28702894/21-gene-recurrence-score-and-locoregional-recurrence-in-lymph-node-negative-estrogen-receptor-positive-breast-cancer
#18
Gulisa Turashvili, Joanne F Chou, Edi Brogi, Monica Morrow, Maura Dickler, Larry Norton, Clifford Hudis, Hannah Y Wen
BACKGROUND/PURPOSE: The 21-gene recurrence score (RS) assay evaluates the likelihood of distant recurrence and benefit of chemotherapy in lymph node-negative, estrogen receptor (ER)-positive, HER2-negative breast cancer patients. The RS categories are associated with the risk of locoregional recurrence (LRR) in some, but not all studies. METHODS: We reviewed the institutional database to identify consecutive female patients with node-negative, ER+/HER2- breast carcinoma tested for the 21-gene RS assay and treated at our center from 2008 to 2013...
July 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28702770/oncologic-outcomes-after-treatment-for-mri-occult-breast-cancer-pt0n
#19
Damian P McCartan, Emily C Zabor, Monica Morrow, Kimberly J Van Zee, Mahmoud B El-Tamer
BACKGROUND: Studies assessing outcomes in occult breast cancer have often included women treated before the routine use of magnetic resonance imaging (MRI). This study examined outcomes for patients presenting with axillary adenopathy and no primary breast tumor detectable by MRI or other imaging methods. METHODS: All patients with axillary nodal metastases consistent with breast carcinoma and no breast primary tumor detectable by physical exam, mammography, or MRI treated between 1 January 1996 and 30 June 2011 were identified from an institutional database...
July 12, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28702147/does-adjuvant-chemotherapy-change-bone-mineral-density-and-related-serum-biomarkers-in-women-with-breast-cancer
#20
Reza Safaei-Nodehi, Javad Esmaili, Ramazanali Sharifian, Shafieh Movaseghi, Sayeh Parkhideh
BACKGROUND: The primary objective of this study was to assess BMD change in Iranian females with breast cancer. METHODS: A sample of 73 female breast cancer patients treated with adjuvant chemotherapy either alone or followed by radiotherapy between March 2013 and February 2016 were considered for this study. Bone mineral density (BMD) change was evaluated by measuring z-score of lumbar spine, femoral neck (right and left side) as well as biochemical measurements...
2017: Caspian Journal of Internal Medicine
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