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https://www.readbyqxmd.com/read/28064217/clinical-factors-asssociated-with-treatment-outcomes-following-whole-brain-irradiation-in-patients-with-prostate-cancer
#1
REVIEW
Liesa Dziggel, Steven E Schild, Theo Veninga, Amira Bajrovic, Dirk Rades
BACKGROUND/AIM: Patients with prostate cancer represent a small minority of cancer patients presenting with metastases to the brain. This study investigated the role of whole-brain irradiation (WBI) in this rare group. PATIENTS AND METHODS: Eighteen such patients were included. Clinical factors including fractionation program of WBI, age at WBI, Karnofsky performance score (KPS), number of metastases to the brain, involvement of extracerebral metastatic sites, time from prostate cancer diagnosis to WBI and recursive-partitioning-analysis (RPA) class were investigated regarding local (intracerebral) control and survival...
January 2017: In Vivo
https://www.readbyqxmd.com/read/28062087/does-an-integrated-boost-increase-acute-toxicity-in-prone-hypofractionated-breast-irradiation-a-randomized-controlled-trial
#2
Leen Paelinck, Akos Gulyban, Ferenc Lakosi, Tom Vercauteren, Werner De Gersem, Bruno Speleers, Christel Monten, Thomas Mulliez, Patrick Berkovic, Annick van Greveling, Frederik Decoster, Philippe Coucke, Wilfried De Neve, Liv Veldeman
BACKGROUND AND PURPOSE: The safety of a simultaneous integrated boost (SIB) in combination with prone hypofractionated whole-breast irradiation (WBI) was investigated. MATERIALS AND METHODS: 167 patients were randomized between WBI with a sequential boost (SeB) or SIB. All patients were treated in prone position to 40.05Gy in 15 fractions to the whole breast. In the control arm, a SeB of 10Gy in 4 fractions (negative surgical margins) or 14.88Gy in 6 fractions (transsection) was prescribed...
January 3, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28061768/a-matched-pair-study-comparing-whole-brain-irradiation-alone-to-radiosurgery-or-fractionated-stereotactic-radiotherapy-alone-in-patients-irradiated-for-up-to-three-brain-metastases
#3
Dirk Rades, Stefan Janssen, Liesa Dziggel, Oliver Blanck, Amira Bajrovic, Theo Veninga, Steven E Schild
BACKGROUND: This matched-pair study was initiated to validate the results of a retrospective study of 186 patients published in 2007 that compared whole-brain irradiation (WBI) alone and radiosurgery (RS) alone for up to three brain metastases. METHODS: One-hundred-fifty-two patients receiving WBI alone for up to three brain metastases were matched with 152 patients treated with RS of fractionated stereotactic radiotherapy (FSRT) alone 1:1 for each of eight factors (age, gender, Eastern Oncology Cooperative Group (ECOG)-performance score, nature of tumor, brain metastases number, extra-cerebral spread, period from cancer detection to irradiation of brain metastases, and recursive partitioning analysis (RPA)-class...
January 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28052649/prognostic-impact-of-elective-supraclavicular-nodal-irradiation-for-patients-with-n1-breast-cancer-after-lumpectomy-and-anthracycline-plus-taxane-based-chemotherapy-krog-1418-a-multicenter-case-controlled-study
#4
Haeyoung Kim, Won Park, Jeong Il Yu, Doo Ho Choi, Seung Jae Huh, Yeon-Joo Kim, Eun Sook Lee, Keun Seok Lee, Han-Sung Kang, In Hae Park, Kyung Hwan Shin, Chan Woo Wee, Kyubo Kim, Kyung Ran Park, Yong Bae Kim, Sung Ja Ahn, Jong Hoon Lee, Jin Hee Kim, Mison Chun, Hyung-Sik Lee, Jung Soo Kim, Jihye Cha
Purpose: This study was conducted to evaluate the impact of supraclavicular lymph node radiotherapy (SCNRT) on N1 breast cancer patients receiving post-lumpectomy whole-breast irradiation (WBI) and anthracycline plus taxane-based (AT) chemotherapy. Materials and Methods: We performed a case-control analysis to compare the outcomes of WBI and WBI plus SCNRT (WBI+SCNRT). Among 1,147 patients with N1 breast cancer who received post-lumpectomy radiotherapy and AT-based chemotherapy in 12 hospitals, 542 were selected after propensity score matching...
January 4, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28052129/imaging-radiation-induced-gastrointestinal-bone-marrow-injury-and-recovery-kinetics-using-18f-fdg-pet
#5
Tien T Tang, David A Rendon, Janice A Zawaski, Solmaz F Afshar, Caterina K Kaffes, Omaima M Sabek, M Waleed Gaber
Positron emission tomography using 18F-Fluro-deoxy-glucose (18F-FDG) is a useful tool to detect regions of inflammation in patients. We utilized this imaging technique to investigate the kinetics of gastrointestinal recovery after radiation exposure and the role of bone marrow in the recovery process. Male Sprague-Dawley rats were either sham irradiated, irradiated with their upper half body shielded (UHBS) at a dose of 7.5 Gy, or whole body irradiated (WBI) with 4 or 7.5 Gy. Animals were imaged using 18F-FDG PET/CT at 5, 10 and 35 days post-radiation exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28048140/mo-fg-campus-jep2-05-mri-guided-single-fraction-boost-delivery-on-individual-axillary-lymph-nodes
#6
T C F van Heijst, N Hoekstra, M E P Philippens, D Eschbach, J J W Lagendijk, H J G D van den Bongard, B van Asselen
PURPOSE: The Utrecht MRI-linac (MRL) design enables new MR-guided radiotherapy (RT) approaches. This is a feasibility study for a single-fraction high dose (boost) to individual lymph nodes (LNs) in breast-cancer patients, after breast-conserving surgery (BCS) and hypofractionated whole-breast irradiation (WBI) with conventional axillary RT (AxRT). METHODS: After written informed consent, 5 breast-cancer patients (cT1-3N0) were enrolled (NL500460.041.14 trial) and underwent 1...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047067/su-f-t-520-dosimetric-comparison-of-radiation-treatment-plans-for-whole-breast-irradiation-between-3d-conformal-in-prone-and-supine-positions-vs-vmat-and-imrt-in-supine-positions
#7
A Bejarano Buele, E Parsai
PURPOSE: The target volume for Whole Breast Irradiation (WBI) is dictated by location of tumor mass, breast tissue distribution, and involvement of lymph nodes. Dose coverage and Organs at Risk (OARs) sparing can be difficult to achieve in patients with unfavorable thoracic geometries. For these cases, inverse-planned and 3D-conformal prone treatments can be alternatives to traditional supine 3D-conformal plans. A dosimetric comparison can determine which of these techniques achieve optimal target coverage while sparing OARs...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28039559/the-feasibility-of-a-web-intervention-for-military-and-veteran-spouses-concerned-about-their-partner-s-alcohol-misuse
#8
Karen Chan Osilla, Eric R Pedersen, Anagha Tolpadi, Stefanie Stern Howard, Jessica L Phillips, Kristie L Gore
Concerned partners (CPs) of military service members and veterans with alcohol misuse face significant help-seeking barriers. We adapted the Community Reinforcement and Family Training (CRAFT) intervention into a 4-session web-based intervention (WBI) called Partners Connect. The program aims to help the CP increase their own well-being, teach the CP how to manage his/her behavior (e.g., communication) toward their partner, and identify ways the CP can help their partner reduce drinking and seek treatment. We recruited CPs through social media, and then tested the feasibility and acceptance of the WBI by conducting qualitative interviews and post-WBI session surveys after their WBI sessions...
December 30, 2016: Journal of Behavioral Health Services & Research
https://www.readbyqxmd.com/read/28011499/development-of-a-survival-score-for-patients-with-cerebral-metastases-from-melanoma
#9
Lena Sehmisch, Steven E Schild, Dirk Rades
BACKGROUND/AIM: To develop a survival score for patients receiving whole-brain irradiation (WBI) alone for cerebral metastases from melanoma. PATIENTS AND METHODS: Forty-five patients who met the required criteria were included. WBI doses had to be >30 Gy. Six variables were analyzed: age, gender, Karnofsky performance score (KPS), number of cerebral metastases, extracranial metastatic spread and interval from diagnosis of melanoma until WBI. In order to estimate patients' survival scores, variables showing at least a trend (p<0...
January 2017: Anticancer Research
https://www.readbyqxmd.com/read/27988987/survival-after-breast-conserving-surgery-with-whole-breast-or-partial-breast-irradiation-in-women-with-early-stage-breast-cancer-a-seer-data-base-analysis
#10
Surbhi Grover, Sommer Nurkic, Marie Diener-West, Shayna L Showalter
Randomized clinical trials have demonstrated equivalency in survival outcomes for early stage breast cancer patients treated with either mastectomy or breast-conserving surgery (BCS) with radiation. Recent, state-level data confirm comparable survival outcomes. Using Surveillance Epidemiology and End Research (SEER) data, we sought to evaluate survival outcomes among patients with early stage breast cancer treated with mastectomy, BCS with whole breast irradiation (BCS + WBI), or BCS with accelerated partial breast irradiation (BCS + APBI)...
December 18, 2016: Breast Journal
https://www.readbyqxmd.com/read/27956335/who-should-bear-the-cost-of-convenience-a-cost-effectiveness-analysis-comparing-external-beam-and-brachytherapy-radiotherapy-techniques-for-early-stage-breast-cancer
#11
M McGuffin, T Merino, B Keller, J-P Pignol
AIMS: Standard treatment for early breast cancer includes whole breast irradiation (WBI) after breast-conserving surgery. Recently, accelerated partial breast irradiation (APBI) has been proposed for well-selected patients. A cost and cost-effectiveness analysis was carried out comparing WBI with two APBI techniques. MATERIALS AND METHODS: An activity-based costing method was used to determine the treatment cost from a societal perspective of WBI, high dose rate brachytherapy (HDR) and permanent breast seed implants (PBSI)...
December 7, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/27815817/kukoamine-a-prevents-radiation-induced-neuroinflammation-and-preserves-hippocampal-neurogenesis-in-rats-by-inhibiting-activation-of-nf-%C3%AE%C2%BAb-and-ap-1
#12
Yaqiong Zhang, Lingyue Gao, Zhihua Cheng, Jiayi Cai, Yixuan Niu, Weihong Meng, Qingchun Zhao
Impaired hippocampal neurogenesis and neuroinflammation are involved in the pathogenesis of radiation-induced brain injury. Kukoamine A (KuA) was demonstrated to have neuroprotective effects through inhibiting oxidative stress and apoptosis after whole-brain irradiation (WBI) in rats. The aim of this study was to investigate whether administration of KuA would prevent radiation-induced neuroinflammation and the detrimental effect on hippocampal neurogenesis. For this study, male Wistar rats received either sham irradiation or WBI (30 Gy single dose of X-rays) followed by the immediate injection of either KuA or vehicle intravenously...
November 4, 2016: Neurotoxicity Research
https://www.readbyqxmd.com/read/27796130/-use-of-the-short-5-item-version-of-the-who-well-being-questionnaire-in-first-year-students-of-semmelweis-university
#13
Mariann Dinyáné Szabó, Gabriella Pusztai
INTRODUCTION: Studies on well-being of students in higher education are in the centre of international research interest, because adult health as a value plays an important role in the life of future generation. AIM: The authors studied variables that affect the value of well-being (satisfaction with life, student success, satisfaction with academic infrastructure, sports and financial situation of parents) among medical and health science students starting their studies...
October 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27775476/alteration-of-selected-neurotrophic-factors-and-their-receptor-expression-in-mouse-brain-response-to-whole-brain-irradiation
#14
Ewa Pius-Sadowska, Miłosz Piotr Kawa, Patrycja Kłos, Dorota Rogińska, Michał Rudnicki, Boehlke Marek, Piotr Waloszczyk, Bogusław Machaliński
Ionizing radiation can significantly affect brain function in children and young adults, particularly in the hippocampus where neurogenic niches are located. Injury to normal tissue is a major concern when whole-brain irradiation (WBI) is used to treat central nervous system (CNS) tumors, and the pathogenesis of this injury remains poorly understood. We assessed the expression of selected neurotrophins (NTs) and NT receptors (NTRs) in brains of young mice after a single 10 Gy gamma-ray exposure using morphological and molecular analyses [qRT-PCR, Western blot, immunohistochemistry (IHC)] to evaluate WBI-induced injury in its acute phase...
October 24, 2016: Radiation Research
https://www.readbyqxmd.com/read/27734038/two-electron-24-center-2e-24c-bonding-in-novel-diradical-%C3%AF-dimers
#15
Feng-Wei Gao, Rong-Lin Zhong, Shi-Ling Sun, Hong-Liang Xu, Zhong-Min Su
A series of diradical π-dimers 2 with interesting pancake-shaped 2e/24c π-π bonding character were designed and investigated based on the famous phenalenyl (PLY) π-dimer with 2e/12c π-π bonding character. The position of stronger interaction between two layers of radicals was found by the Wiberg bond index (WBI) maximum component. Further, the different contributions of the interaction energy were analyzed quantitatively by energy decomposition analysis (EDA). Among these new diradical π-dimers, 2180 has the smallest layer distance and the largest interaction between two layers of radicals...
October 13, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27723974/infrared-spectra-of-novel-ngbeso2-complexes-ng-ne-ar-kr-xe-in-low-temperature-matrices
#16
Wenjie Yu, Xing Liu, Bing Xu, Xiaopeng Xing, Xuefeng Wang
The novel noble-gas complexes NgBeSO2 (Ng=Ne, Ar, Kr, Xe) have been prepared in the laser-evaporated beryllium atom reactions with SO2 in low-temperature matrices. Doped with heavier noble gas, the guest (Ar, Kr, Xe) atom can substitute neon to form more stable complex. Infrared spectroscopy and theoretical calculations are used to confirm the band assignment. The dissociation energies are calculated at 0.9, 4.0, 4.7, and 6.0 kcal/mol for NeBeSO2, ArBeSO2, KrBeSO2, and XeBeSO2, respectively, at the CCSD(T) level...
October 11, 2016: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/27713125/secondary-malignancies-after-partial-versus-whole-breast-irradiation-a-systematic-review-and-meta-analysis
#17
Xin-Bin Pan, Shi-Ting Huang, Yan-Ming Jiang, Jia-Lin Ma, Xiao-Dong Zhu
Secondary malignancies are a common complication for patients receiving radiotherapy. Here, we compared rates of secondary malignancies after partial breast irradiation (PBI) and whole breast irradiation (WBI). The MEDLINE, EMBASE, and the Cochrane Library databases were systematically searched to identify relevant randomized clinical trials comparing PBI with WBI in breast cancer patients treated with breast-conserving therapy. Four studies including 2,185 patients were selected. Compared to WBI, the pooled odds ratios (OR) for contralateral breast cancer were 0...
October 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27678203/cost-and-complications-of-local-therapies-for-early-stage-breast-cancer
#18
Benjamin D Smith, Jing Jiang, Ya-ChenTina Shih, Sharon H Giordano, Jinhai Huo, Reshma Jagsi, Adeyiza O Momoh, Abigail S Caudle, Kelly K Hunt, Simona F Shaitelman, Thomas A Buchholz, Shervin M Shirvani
BACKGROUND: Guideline-concordant local therapy options for early breast cancer include lumpectomy plus whole breast irradiation (Lump+WBI), lumpectomy plus brachytherapy, mastectomy alone, mastectomy plus reconstruction, and, in older women, lumpectomy alone. We performed a comparative examination of each treatment's complications and cost to assess their relative values. METHODS: Using the MarketScan database of younger women with private insurance and the SEER-Medicare database of older women with public insurance, we identified 105 211 women with early breast cancer diagnosed between 2000 and 2011...
January 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/27673880/clinical-results-of-phase-2-study-of-whole-breast-irradiation-with-simultaneously-integrated-tumor-bed-boost-wbi-sib-a-single-center-experience
#19
Z Yang, X Yu, X Mei, X Guo, J Ma
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27648082/external-beam-boost-versus-interstitial-high-dose-rate-brachytherapy-boost-in-the-adjuvant-radiotherapy-following-breast-conserving-therapy-in-early-stage-breast-cancer-a-dosimetric-comparison
#20
Martje Marie Terheyden, Corinna Melchert, György Kovács
PURPOSE: This study aims to compare the dosimetric data of local tumor's bed dose escalation (boost) with photon beams (external beam radiation therapy - EBRT) versus high-dose-rate interstitial brachytherapy (HDR-BT) after breast-conserving treatment in women with early-stage breast cancer. MATERIAL AND METHODS: We analyzed the treatment planning data of 136 irradiated patients, treated between 2006 and 2013, who underwent breast-conserving surgery and adjuvant whole breast irradiation (WBI; 50...
August 2016: Journal of Contemporary Brachytherapy
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