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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/28612288/magnetic-resonance-image-guidance-in-external-beam-radiation-therapy-planning-and-delivery
#2
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/28608305/quality-assurance-of-the-preopanc-trial-2012-003181-40-for-preoperative-radiochemotherapy-in-pancreatic-cancer-the-dummy-run
#3
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/28604459/definitive-chemoradiotherapy-in-elderly-cervical-cancer-patients-a-multiinstitutional-analysis
#4
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
#5
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/28603407/simultaneous-tumor-segmentation-image-restoration-and-blur-kernel-estimation-in-pet-using-multiple-regularizations
#6
Laquan Li, Jian Wang, Wei Lu, Shan Tan
Accurate tumor segmentation from PET images is crucial in many radiation oncology applications. Among others, partial volume effect (PVE) is recognized as one of the most important factors degrading imaging quality and segmentation accuracy in PET. Taking into account that image restoration and tumor segmentation are tightly coupled and can promote each other, we proposed a variational method to solve both problems simultaneously in this study. The proposed method integrated total variation (TV) semi-blind de-convolution and Mumford-Shah segmentation with multiple regularizations...
February 2017: Computer Vision and Image Understanding: CVIU
https://www.readbyqxmd.com/read/28599843/psychiatric-care-of-the-radiation-oncology-patient
#7
REVIEW
Emily G Holmes, Jordan A Holmes, Eliza M Park
BACKGROUND: In recent decades, psychiatrists have become increasingly involved in the care of patients with cancer. Psychiatrists are often less familiar with the field of radiation oncology than with other medical specialties. OBJECTIVE: Therefore, it is beneficial for consulting psychiatrists to be familiar with the basic principles of radiation therapy (RT) and its potential neuropsychiatric sequelae. METHODS: We performed a PubMed search to identify articles describing neuropsychiatric symptoms resulting from RT, including anxiety, claustrophobia, posttraumatic stress disorder, and neurocognitive impairment...
April 15, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28596092/stereotactic-body-radiation-therapy-for-early-stage-non-small-cell-lung-cancer-executive-summary-of-an-astro-evidence-based-guideline
#8
Gregory M M Videtic, Jessica Donington, Meredith Giuliani, John Heinzerling, Tomer Z Karas, Chris R Kelsey, Brian E Lally, Karen Latzka, Simon S Lo, Drew Moghanaki, Benjamin Movsas, Andreas Rimner, Michael Roach, George Rodrigues, Shervin M Shirvani, Charles B Simone, Robert Timmerman, Megan E Daly
PURPOSE: This guideline presents evidence-based recommendations for stereotactic body radiation therapy (SBRT) in challenging clinical scenarios in early-stage non-small cell lung cancer (NSCLC). METHODS AND MATERIALS: The American Society for Radiation Oncology convened a task force to perform a systematic literature review on 4 key questions addressing: (1) application of SBRT to operable patients; (2) appropriate use of SBRT in tumors that are centrally located, large, multifocal, or unbiopsied; (3) individual tailoring of SBRT in "high-risk" clinical scenarios; and (4) SBRT as salvage therapy after recurrence...
June 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28588789/curative-effect-of-stereotactic-body-radiotherapy-for-unresectable-massive-primary-liver-cancer
#9
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/28587049/female-representation-in-the-academic-oncology-physician-workforce-radiation-oncology-losing-ground-to-hematology-oncology
#10
Awad A Ahmed, Wei-Ting Hwang, Emma B Holliday, Christina H Chapman, Reshma Jagsi, Charles R Thomas, Curtiland Deville
PURPOSE: Our purpose was to assess comparative female representation trends for trainees and full-time faculty in the academic radiation oncology and hematology oncology workforce of the United States over 3 decades. METHODS AND MATERIALS: Simple linear regression models with year as the independent variable were used to determine changes in female percentage representation per year and associated 95% confidence intervals for trainees and full-time faculty in each specialty...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28586962/nature-of-medical-malpractice-claims-against-radiation-oncologists
#11
Deborah Marshall, Kathryn Tringale, Michael Connor, Rinaa Punglia, Abram Recht, Jona Hattangadi-Gluth
PURPOSE: To examine characteristics of medical malpractice claims involving radiation oncologists closed during a 10-year period. METHODS AND MATERIALS: Malpractice claims filed against radiation oncologists from 2003 to 2012 collected by a nationwide liability insurance trade association were analyzed. Outcomes included the nature of claims and indemnity payments, including associated presenting diagnoses, procedures, alleged medical errors, and injury severity...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28581393/is-it-time-for-new-target-volumes-in-radiation-oncology
#12
EDITORIAL
David Palma
No abstract text is available yet for this article.
July 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28580334/melatonin-role-in-ameliorating-radiation-induced-skin-damage-from-theory-to-practice-a-review-of-literature
#13
REVIEW
A Abbaszadeh, G H Haddadi, Z Haddadi
Normal skin is composed of epidermis and dermis. Skin is susceptible to radiation damage because it is a continuously renewing organ containing rapidly proliferating mature cells. Radiation burn is a damage to the skin or other biological tissues caused by exposure to radiofrequency energy or ionizing radiation. Acute skin reaction is the most frequently occurring side effect of radiation therapy. Generally, any chemical/biological agent given before or at the time of irradiation to prevent or ameliorate damage to normal tissues is called a radioprotector...
June 2017: Journal of Biomedical Physics & Engineering
https://www.readbyqxmd.com/read/28577827/normal-tissue-constraints-for-abdominal-and-thoracic-stereotactic-body-radiotherapy
#14
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/28576188/update-of-practical-radiation-oncology-management-trends-for-surgeons
#15
EDITORIAL
Adam Raben
No abstract text is available yet for this article.
July 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28576184/radiation-oncology-management-of-stage-i-iii-cervix-cancer
#16
REVIEW
Lana de Souza Lawrence
Radiotherapy plays a critical role in the management of cervix carcinoma, in the adjuvant setting for patients with high-risk pathologic features and in the definitive setting for locoregionally advanced disease. External beam radiotherapy fields encompass potential areas of microscopic disease spread in addition to known areas of gross disease. In the presence of gross disease, however, escalation of dose is required that is best accomplished using a brachytherapy boost to spare surrounding normal organs from toxicity...
July 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28573519/patterns-of-care-related-to-post-operative-radiotherapy-for-patients-with-prostate-cancer-among-canadian-radiation-oncologists-and-urologists
#17
Bonnie Bristow, Mohammed Aldehaim, Katija Bonin, Candice Chee Ka Lam, Stephanie J Wan, Xingshan Cao, Ewa Szumacher
The American Society for Radiation Oncology (ASTRO) and American Urological Association (AUA) developed post-prostatectomy radiotherapy (RT) guidelines to aid patient counseling on adjuvant (ART) and salvage radiotherapy (SRT). Our study compared how aware and compliant Canadian radiation oncologists and urologists are to these guidelines. Our online survey was distributed through the Canadian Association of Radiation Oncology (CARO) and Canadian Urology Association (CUA) to radiation oncologists and urologists that treat prostate cancer...
June 2, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28573475/patient-reported-symptoms-during-radiotherapy-clinically-relevant-symptom-burden-in-patients-treated-with-palliative-and-curative-intent
#18
Philipp Körner, Katja Ehrmann, Johann Hartmannsgruber, Michaela Metz, Sabrina Steigerwald, Michael Flentje, Birgitt van Oorschot
BACKGROUND: The benefits of patient-reported symptom assessment combined with integrated palliative care are well documented. This study assessed the symptom burden of palliative and curative-intent radiation oncology patients. PATIENTS AND METHODS: Prior to first consultation and at the end of RT, all adult cancer patients planned to receive fractionated percutaneous radiotherapy (RT) were asked to answer the Edmonton Symptom Assessment Scale (ESAS; nine symptoms from 0 = no symptoms to 10 = worst possible symptoms)...
June 1, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28567503/planning-benchmark-study-for-sbrt-of-early-stage-nsclc-results-of-the-degro-working-group-stereotactic-radiotherapy
#19
Christos Moustakis, Oliver Blanck, Fatemeh Ebrahimi Tazehmahalleh, Mark Ka Heng Chan, Iris Ernst, Thomas Krieger, Marciana-Nona Duma, Markus Oechsner, Ute Ganswindt, Christian Heinz, Horst Alheit, Hilbert Blank, Ursula Nestle, Rolf Wiehle, Christine Kornhuber, Christian Ostheimer, Cordula Petersen, Gerhard Pollul, Wolfgang Baus, Georg Altenstein, Eric Beckers, Katrin Jurianz, Florian Sterzing, Matthias Kretschmer, Heinrich Seegenschmiedt, Torsten Maass, Stefan Droege, Ulrich Wolf, Juergen Schoeffler, Uwe Haverkamp, Hans Theodor Eich, Matthias Guckenberger
PURPOSE: The aim was to evaluate stereotactic body radiation therapy (SBRT) treatment planning variability for early stage nonsmall cell lung cancer (NSCLC) with respect to the published guidelines of the Stereotactic Radiotherapy Working Group of the German Society for Radiation Oncology (DEGRO). MATERIALS AND METHODS: Planning computed tomography (CT) scan and the structure sets (planning target volume, PTV; organs at risk, OARs) of 3 patients with early stage NSCLC were sent to 22 radiotherapy departments with SBRT experience: each department was asked to prepare a treatment plan according to the DEGRO guidelines...
May 31, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28561707/american-society-for-radiation-oncology-2016-annual-meeting-central-nervous-system-abstracts
#20
Samuel Chao
The American Society for Radiation Oncology's (ASTRO) 2016 scientific program presented a number of excellent abstracts focusing on brain and spine tumors. Selected abstracts will be reviewed in this article.
2017: American Society of Clinical Oncology Educational Book
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