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https://www.readbyqxmd.com/read/28628155/-3d-printed-template-assisted-and-computed-tomography-image-guided-125-iodine-seed-implantation-for-supraclavicular-metastatic-tumor-a-dosimetric-study
#1
(no author information available yet)
OBJECTIVE: To compare the dosimetric data between the preoperative plans and postoperative verification in personalized 3D printed template-assisted and computed tomography (CT) image-guided 125-iodine seed implantation for supraclavicular metastatic tumor, and to evaluate the accuracy and feasibility at the dosimetry level. METHODS: A total of 14 patients with supraclavicular metastatic tumor (including 15 lesions) who received 3D printed template assisted and CT image-guided 125-iodine seed implantation in Department of Radiation Oncology of Peking University Third Hospital from January to September 2016 were enrolled...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28626489/conference-report-on-the-indo-global-summit-on-head-and-neck-oncology-igshno-2017-bmcon-iv-24-26-february-2017-jaipur-india
#2
Tej Prakash Soni, Anil K Gupta, Lalit M Sharma, Pawan Singhal, Dinesh Yadav, Umesh Bansal
'The multidisciplinary approach: expanding treatment horizons for head and neck cancer' was the major theme of the Indo Global Summit on Head and Neck Oncology (IGSHNO 2017-BMCON-IV). The meeting, held in Jaipur (Rajasthan, India) from 24 to 26 February 2017, assembled 600 participants from India and worldwide. It was organised by the Bhagwan Mahaveer Cancer Hospital and Research Centre (BMCHRC), Jaipur. BMCHRC Jaipur is one of the largest superspeciality oncology research and treatment centres in north India...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28621524/harnessing-the-power-of-nanotechnology-for-enhanced-radiation-therapy
#3
Shreya Goel, Dalong Ni, Weibo Cai
Radiotherapy has emerged as one of the first lines of treatment in oncology. The past few decades have seen dramatic changes in the delivery of radiation therapy, with dose fractionation and treatment planning being the major focuses of research. Although effective, such empirical approaches are hardly optimal, and instances of patient mortality and tumor relapse are not rare. In this Perspective, we review the emerging technologies for optimization of radiosensitization, hypoxia modulation, and combinatorial therapeutic regimes for improved treatment outcomes in preclinical tumor models, with a focus on nanotechnology-mediated approaches...
June 16, 2017: ACS Nano
https://www.readbyqxmd.com/read/28620815/radiation-related-toxicities-and-outcomes-in-endometrial-cancer-are-obese-women-at-a-disadvantage
#4
A Smits, J McGrane, A Lopes, E Kent, R Bekkers, L Massuger, N Simpson, K Galaal
OBJECTIVE: To assess the impact of body mass index (BMI) on radiotherapy toxicities in endometrial cancer patients. METHODS: This was a retrospective cohort study of women diagnosed with endometrial cancer between January 2006 and December 2014 at the Royal Cornwall Hospital Trust. Women who received radiotherapy as part of their treatment, including external beam radiotherapy (EBRT) and/or vaginal brachytherapy were included. Radiation-related toxicities were graded according to the Radiation Therapy Oncology Group (RTOG) guidelines...
June 15, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28618234/successful-treatment-of-acute-radiation-proctitis-with-aloe-vera-a-preliminary-randomized-controlled-clinical-trial
#5
Adeleh Sahebnasagh, Arash Ghasemi, Jafar Akbari, Abbas Alipour, Hossein Lashkardoost, Shahram Ala, Ebrahim Salehifar
BACKGROUND: Acute radiation proctitis (ARP) is a common side-effect that affects up to 50% of patients receiving radiotherapy. The aim of this study was to evaluate the role of a topical preparation of Aloe vera in the treatment of ARP induced by radiotherapy of pelvic area. SUBJECTS AND INTERVENTIONS: In this double-blind placebo-controlled trial, 20 consecutive patients with ARP after external-beam radiation therapy (46-72 Gy) of pelvic malignancies were randomized to receive either Aloe vera 3% or placebo ointment, 1 g twice daily for 4 weeks...
June 15, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28612288/magnetic-resonance-image-guidance-in-external-beam-radiation-therapy-planning-and-delivery
#6
REVIEW
Ilamurugu Arivarasan, Chandrasekaran Anuradha, Shanmuga Subramanian, Ayyalusamy Anantharaman, Velayudham Ramasubramanian
The use of magnetic resonance (MR) imaging in radiation oncology is improving dramatically. This review article discusses the necessity of image guidance and how MR finds a significant place in radiotherapy planning and delivery. The challenges to and current solutions for an in-house MR simulation, dedicated MR simulator, estimation of electron density using MR image sets and development of MR-compatible treatment planning systems are presented. This article also reviews the feasibility, advantages and limitations of MR image-guided radiation therapy (MR-IGRT) and its drive toward the integration of radiation beams with MR technology...
June 13, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28611947/thirty-five-years-of-thyroid-cancer-experience-in-a-paediatric-population-incidence-trends-in-lithuania-between-1980-and-2014
#7
Rima Bėrontienė, Edita Jašinskienė, Rosita Kiudelienė, Gintaras Kuprionis, Jurgita Makštienė, Raminta Macaitytė, Dalia Marčiulionytė, Lina Poškienė, Agnė Šemetaitė, Vygantas Šidlauskas, Raimondas Valickas, Rimantas Žalinkevičius, Rasa Verkauskienė
BACKGROUND: Thyroid cancer (TC) is a rare condition in children. It may be associated with radiation, iodine deficiency or familial inheritance. AIMS: The objectives of this study were to analyse the prevalence and incidence trends over 3 decades and clinical features of TC in the paediatric population in Lithuania. METHODS: We reviewed all TC cases diagnosed in children aged less than 18 years during the period 1980-2014 using medical records from 3 main hospitals in Lithuania where such TC cases are managed...
February 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28610779/survival-and-complications-following-surgery-and-radiation-for-localized-prostate-cancer-an-international-collaborative-review
#8
REVIEW
Christopher J D Wallis, Adam Glaser, Jim C Hu, Hartwig Huland, Nathan Lawrentschuk, Daniel Moon, Declan G Murphy, Paul L Nguyen, Matthew J Resnick, Robert K Nam
BACKGROUND: Evaluation of treatment options for localized prostate cancer (PCa) remains among the highest priorities for comparative effectiveness research. Surgery and radiotherapy (RT) are the two interventions most commonly used. OBJECTIVE: To provide a critical narrative review of evidence of the comparative effectiveness and harms of surgery and RT in the treatment of localized PCa. EVIDENCE ACQUISITION: A collaborative critical narrative review of the literature was conducted...
June 10, 2017: European Urology
https://www.readbyqxmd.com/read/28608305/quality-assurance-of-the-preopanc-trial-2012-003181-40-for-preoperative-radiochemotherapy-in-pancreatic-cancer-the-dummy-run
#9
Eva Versteijne, Eelco Lens, Astrid van der Horst, Arjan Bel, Jorrit Visser, Cornelis J A Punt, Mustafa Suker, Casper H J van Eijck, Geertjan van Tienhoven
BACKGROUND: The Dutch Pancreatic Cancer Group initiated the national, multicentre, controlled PREOPANC trial, randomising between preoperative radiochemotherapy and direct explorative laparotomy for patients with (borderline) resectable pancreatic cancer. The aim of this dummy run is to evaluate compliance with the radiotherapy protocol of this trial, and the quality of delineation and radiation plans. METHODS: Eleven radiation oncology departments open for accrual of patients in the PREOPANC trial were provided with all necessary information of a selected 'dummy' patient...
June 12, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28607957/analysis-of-patient-outcomes-following-proton-radiation-therapy-for-retinoblastoma
#10
Kent W Mouw, Beow Y Yeap, Paul Caruso, Aaron Fay, Madhusmita Misra, Roshan V Sethi, Shannon M MacDonald, Yen-Lin Chen, Nancy J Tarbell, Torunn I Yock, Suzanne K Freitag, John E Munzenrider, Eric Grabowski, Michelle Katz, Karen Kuhlthau, Dawn DeCastro, Gena Heidary, Jessica Ciralsky, Shizuo Mukai, Helen A Shih
PURPOSE: Proton radiotherapy (PRT) is used in the treatment of retinoblastoma (RB) and has the potential to minimize exposure of normal tissue to radiation and thus decrease risk of toxicity and second malignancies. However, comprehensive analyses of long-term patient outcomes are not available. METHODS: RB patients treated with PRT at our institution between 1986 and 2012 were invited to return for participation in a study designed to assess long-term outcomes...
January 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28604459/definitive-chemoradiotherapy-in-elderly-cervical-cancer-patients-a-multiinstitutional-analysis
#11
Ozan Cem Guler, Sezin Yuce Sari, Sumerya Duru Birgi, Melis Gultekin, Ferah Yildiz, Cem Onal
OBJECTIVE: The aim of the study was to investigate the prognostic factors for survival and treatment-related toxicities in older (≥65 years) cervical cancer patients treated with definitive chemoradiotherapy. In addition, we sought to compare the outcomes between the older elderly (≥75 years) and their younger old counterparts (age, 65-74 years). MATERIALS AND METHODS: We retrospectively reviewed medical records from 269 biopsy-proven nonmetastatic cervical cancer patients treated with external radiotherapy and intracavitary brachytherapy at the departments of radiation oncology in 2 different universities...
June 10, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28604455/oncologic-outcomes-after-adjuvant-radiotherapy-for-stage-ii-endometrial-carcinoma-a-korean-radiation-oncology-group-study-krog-14-10
#12
Jinhong Jung, Young Seok Kim, Ji Hyeon Joo, Won Park, Jong-Hoon Lee, Jin Hee Kim, Won Sup Yoon, Seok-Ho Lee, Keun-Yong Eom, Yong Bae Kim
OBJECTIVE: The aim of this study was to investigate the survival, patterns of failure, and prognostic factors in patients with stage II endometrial carcinoma treated with adjuvant radiotherapy. METHODS: We reviewed the medical records of patients who underwent total hysterectomy, bilateral salpingo-oophorectomy, and pelvic lymph node dissection followed by adjuvant radiotherapy in 10 participating hospitals of the Korean Radiation Oncology Group. Most patients received adjuvant external beam radiation therapy, with a median dose of 50...
June 10, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28599460/effects-of-traditional-oriental-medicines-as-anti-cytotoxic-agents-in-radiotherapy
#13
Wanyeon Kim, Jihoon Kang, Sungmin Lee, Buhyun Youn
The primary goal of radiotherapy in oncology is to enhance the efficacy of tumor cell death while decreasing damage to surrounding normal cells. Positive therapeutic outcomes may be accomplished by improved targeting, precisely targeting tumor cells or protecting normal cells against radiation-induced damage. The potential for antioxidants to decrease normal tissue damage induced by radiation has been investigated in animal models for a number of decades. In attempts for radioprotection, certain synthetic chemicals are suggested as antioxidants and normal tissue protectors against radiation-induced damage, but they have exhibited limitations in pharmacological application due to undesirable effects and high toxicities at clinical doses...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28598362/carbon-ion-radiotherapy-a-review-of-clinical-experiences-and-preclinical-research-with-an-emphasis-on-dna-damage-repair
#14
REVIEW
Osama Mohamad, Brock J Sishc, Janapriya Saha, Arnold Pompos, Asal Rahimi, Michael D Story, Anthony J Davis, D W Nathan Kim
Compared to conventional photon-based external beam radiation (PhXRT), carbon ion radiotherapy (CIRT) has superior dose distribution, higher linear energy transfer (LET), and a higher relative biological effectiveness (RBE). This enhanced RBE is driven by a unique DNA damage signature characterized by clustered lesions that overwhelm the DNA repair capacity of malignant cells. These physical and radiobiological characteristics imbue heavy ions with potent tumoricidal capacity, while having the potential for simultaneously maximally sparing normal tissues...
June 9, 2017: Cancers
https://www.readbyqxmd.com/read/28588789/curative-effect-of-stereotactic-body-radiotherapy-for-unresectable-massive-primary-liver-cancer
#15
Ya-Zheng Dang, Xin Li, Shi-Gao Huang, Wan-Ling Lu, Guodong Wang, Dongxian Zhang, Qian-Yun Wang
The aim of this study was to evaluate the curative effect of gamma knife stereotactic body radiotherapy (SBRT) for unresectable massive primary liver cancer. A total of 69 patients with unresectable massive (>10 cm) primary liver cancer who were treated by SBRT at the Department of Radiation Oncology of the 323 Hospital of People's Liberation Army (Xi'an, China) between October, 2006 and October, 2010, were analyzed. According to the Union for International Cancer Control TNM staging guidelines, the patients were graded as stage T1 (n=8), T2 (n=12), T3 (n=21) and T4 (n=28)...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28588582/nanoparticle-based-magnetic-resonance-imaging-on-tumor-associated-macrophages-and-inflammation
#16
REVIEW
Natalie J Serkova
The inflammatory response, mediated by tissue-resident or newly recruited macrophages, is an underlying pathophysiological condition for many diseases, including diabetes, obesity, neurodegeneration, atherosclerosis, and cancer. Paradoxically, inflammation is a double-edged sword in oncology. Macrophages are, generally speaking, the major drivers of inflammatory insult. For many solid tumors, high density of cells expressing macrophage-associated markers have generally been found in association with a poor clinical outcome, characterized by inflamed microenvironment, a high level of dissemination and resistance to conventional chemotherapies...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28579359/evolution-in-treatment-strategy-for-metastatic-spine-disease-presently-evolving-modalities
#17
REVIEW
N Kumar, R Malhotra, A S Zaw, K Maharajan, N Naresh, A Kumar, B Vellayappan
The advent of minimally invasive surgery (MIS) in the surgical management armamentarium and stereotactic radiosurgery in the domain of radiotherapy, has led to a major evolution in treatment of metastatic spine disease (MSD). We reviewed the recent literature to discuss evolution from open to MIS approaches in MSD and the concurrent evolution in radiotherapy. This will provide a sound base for further development and understanding of treatment paradigms in MSD. Literature review showed that evolution of surgery can be traced from inappropriate open surgery (i...
May 17, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28577829/stereotactic-ablative-radiotherapy-for-early-stage-lung-cancer
#18
REVIEW
Jennifer L Shah, Billy W Loo
The rising incidence of early-stage lung cancer, particularly in medically inoperable patients, is anticipated because of the implementation of early detection strategies and population aging in the United States and worldwide. This mandates the development of noninvasive curative treatment approaches for this disease. Stereotactic ablative radiotherapy (SABR) has recently emerged as a standard of care for early-stage lung cancer in medically inoperable patients who cannot safely tolerate surgical lobectomy, the established standard for operable patients...
July 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28577827/normal-tissue-constraints-for-abdominal-and-thoracic-stereotactic-body-radiotherapy
#19
REVIEW
Erqi L Pollom, Alexander L Chin, Maximilian Diehn, Billy W Loo, Daniel T Chang
Although stereotactic body radiotherapy (SBRT) or stereotactic ablative radiotherapy has become an established standard of care for the treatment of a variety of malignancies, our understanding of normal tissue dose tolerance with extreme hypofractionation remains immature. Since Timmerman initially proposed normal tissue dose constraints for SBRT in the 2008 issue of Seminars of Radiation Oncology, experience with SBRT has grown, and more long-term clinical outcome data have been reported. This article reviews the modern toxicity literature and provides updated clinically practical and useful recommendations of SBRT dose constraints for extracranial sites...
July 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28576185/brachytherapy-in-the-management-of-prostate-cancer
#20
REVIEW
Bradley J Stish, Brian J Davis, Lance A Mynderse, Christopher L Deufel, Richard Choo
Brachytherapy is performed by directly inserting radioactive sources into the prostate gland and is an important treatment option for appropriately selected men with prostate adenocarcinoma. Brachytherapy provides highly conformal radiotherapy and delivers tumoricidal doses that exceed those administered with external beam radiation therapy. There is a significant body of literature supporting the excellent long-term oncologic and safety outcomes achieved when brachytherapy is used for men in all risk categories of nonmetastatic prostate cancer...
July 2017: Surgical Oncology Clinics of North America
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