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https://www.readbyqxmd.com/read/28187887/collapsed-cone-dose-calculations-for-heterogeneous-tissues-in-brachytherapy-using-primary-and-scatter-separation-source-data
#1
Anders Ahnesjö, Bob van Veelen, Åsa Carlsson Tedgren
BACKGROUND AND OBJECTIVE: Brachytherapy is a form of radiation therapy using sealed radiation sources inserted within or in the vicinity of the tumor of, e.g., gynecological, prostate or head- and neck cancers. Accurate dose calculation is a crucial part of the treatment planning. Several reviews have called for clinical software with model-based algorithms that better take into account the effects of patient individual distribution of tissues, source-channel and shielding attenuation than the commonly employed TG-43 formalism which simply map homogeneous water dose distributions onto the patient...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28173994/intraoperative-high-dose-rate-brachytherapy-an-american-brachytherapy-society-consensus-report
#2
REVIEW
S Lloyd, K M Alektiar, S Nag, Y J Huang, C L Deufel, F Mourtada, D K Gaffney
PURPOSE: This report presents recommendations from the American Brachytherapy Society for the use of intraoperative high-dose-rate (IOHDR) brachytherapy. METHODS AND MATERIALS: Members of the American Brachytherapy Society with expertise in IOHDR formulated this document based on their clinical experience and a review of the literature. This report covers the use of IOHDR in colorectal cancer, soft tissue sarcoma, gynecologic cancers, head and neck cancers, and pediatric cancers...
February 4, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28152942/communities-of-practice-a-jurisdictional-approach-to-improving-the-quality-of-care-in-radiation-medicine-in-ontario
#3
Michelle Ang, Lindsay Elizabeth Reddeman, Michael Sharpe, Margaret Hart, Carina Simniceanu, Stephen Breen, Joon-Hyung J Kim, Dani Scott, Khaled Zaza, David D'Souza, Michael F Milosevic, Stewart Gaede, Andrea Marshall, Brian P Yaremko, Katharina Sixel, Nicole Harnett, Eric Gutierrez, Padraig Richard Warde
: 122 Background: The Radiation Treatment Program (RTP) at Cancer Care Ontario (CCO) established several Communities of Practice (CoPs), with the goal of improving radiation treatment (RT) quality and safety. The RTP identifies variation in practice and quality improvement (QI) opportunities in the 14 Regional Cancer Centres (RCCs) and facilitates the development of CoPs to share best practices and standardize care. METHODS: Since 2010, the RTP has formed 7 CoPs ( > 185 members in total): 4 intra-disciplinary (Radiation Therapy, Medical Physics, Advanced Practice Radiation Therapy, Radiation Safety) and 3 inter-disciplinary (Head and Neck (HN), Gynecological (GYNE) and Lung Cancer)...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152839/development-of-a-radiation-oncology-specific-prospective-data-registry-for-clinical-research-and-quality-improvement-a-clinical-workflow-based-solution
#4
Pin-Chieh Wang, Darlene Verittupong, Weber Shao, Susan Ann McCloskey, Vincent Basehart, Michael L Steinberg, Patrick Kupelian
: 197 Background: The computerized 'paperless' medical recording system has transformed the modern health information system and serves as an idea platform for cancer registry development, particularly in a specialty like radiation oncology, where technological advances generate unprecedented amounts of data. METHODS: From May 2011 to May 2015, physicians prospectively inputted data on patients seen during consultation in the Department of Radiation Oncology at UCLA...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152771/does-physical-function-impact-the-acceptability-of-routine-patient-reported-outcome-surveys-in-cancer-patients
#5
Catherine Brown, Andrea Perez-Cosio, Yvonne Leung, Mindy Liang, Gursharan Gill, Samantha Sarabia, Sabrina Yeung, Aixin Liu, Doris Howell, Geoffrey Liu
: 67 Background: Patient-reported outcome measures (PROMs) are used to collect cancer-related symptom and symptomatic toxicity data. Understanding factors that affect the acceptability of PROMs is useful for improving the participation of such routine screening practices. We investigated the association between patient's functional status on their acceptance and perception of usefulness of tablet technology to routine collection of PROM data in the clinical setting. METHODS: 279 adult cancer outpatients at Toronto's Princess Margaret Cancer Centre completed two physical function surveys, the HAQ-DI and WHODAS, using touchscreen tablet technology...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152712/application-of-a-standard-practice-based-system-to-measure-and-compare-quality-of-cancer-survivorship-care
#6
Katherine Ramsey Gilmore, Patricia Chapman, Paula A Lewis-Patterson, Maria Alma Rodriguez
: 239 Background: Despite the growing committment to improve survivorship care, measuring its quality remains difficult. In 2006, the American Society of Clinical Oncologists (ASCO) launched a practice-based system known as the Quality Oncology Practice Initiative (QOPI) to measure the quality of cancer care. Here, we demonstrate the use of QOPI procedures to compare compliance with survivorship care plans (SCPs) across different disease-specific clinics. METHODS: Measures based on survivorship clinical practice guidelines were abstracted from SCPs issued to survivors scheduled for appointments in site-specific clinics...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28124284/incidence-of-and-risk-factors-associated-with-nedaplatin-related-hypersensitivity-reactions
#7
Yuki Kawarada, Masayuki Miyazaki, Ayaka Itoh, Risa Araki, Hidetaka Iwamizu, Tomomi Kataoka, Yasuo Kumakura, Akiko Ota, Taku Nagai, Kiyofumi Yamada
BACKGROUND: Nedaplatin (NDP)-related hypersensitivity reactions (HSRs) trigger adverse clinical events. Prediction and prevention of NDP-HSRs are thus essential to minimize the risk and maximize the benefit of NDP therapy. However, the incidence of NDP-HSRs and the associated risk factors remain unclear. METHODS: We retrospectively examined patients who received NDP monotherapy between April 2011 and July 2015 in Nagoya University Hospital. HSRs severity was defined according to the Common Terminology Criteria for Adverse Events version 4 (CTCAE ver...
January 25, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27932207/the-current-state-of-therapeutic-and-t-cell-based-vaccines-against-human-papillomaviruses
#8
REVIEW
Andrew Yang, Emily Farmer, John Lin, T-C Wu, Chien-Fu Hung
Human papillomavirus (HPV) is known to be a necessary factor for many gynecologic malignancies and is also associated with a subset of head and neck malignancies. This knowledge has created the opportunity to control these HPV-associated cancers through vaccination. However, despite the availability of prophylactic HPV vaccines, HPV infections remain extremely common worldwide. In addition, while prophylactic HPV vaccines have been effective in preventing infection, they are ineffective at clearing pre-existing HPV infections...
December 6, 2016: Virus Research
https://www.readbyqxmd.com/read/27761785/physical-and-psychological-health-in-rare-cancer-survivors
#9
Nora K Horick, Adoma Manful, Jan Lowery, Susan Domchek, Patricia Moorman, Constance Griffin, Kala Visvanathan, Claudine Isaacs, Anita Y Kinney, Dianne M Finkelstein
PURPOSE: Registries provide a unique tool for tracking quality of life in rare cancer survivors, whose survivorship experience is less known than for common cancers. This paper reports on these outcomes in 321 patients enrolled in the Rare Cancer Genetics Registry diagnosed with rare gastrointestinal, genitourinary, gynecologic, sarcoma, head/neck, or hematologic cancers. METHODS: Four outcomes were assessed, reflecting registrants' self-reported physical and mental health, psychological distress, and loneliness...
October 19, 2016: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/27587055/design-and-testing-of-a-phantom-and-instrumented-gynecological-applicator-based-on-gan-dosimeter-for-use-in-high-dose-rate-brachytherapy-quality-assurance
#10
P Guiral, J Ribouton, P Jalade, R Wang, J-M Galvan, G-N Lu, P Pittet, A Rivoire, L Gindraux
PURPOSE: High dose rate brachytherapy (HDR-BT) is widely used to treat gynecologic, anal, prostate, head, neck, and breast cancers. These treatments are typically administered in large dose per fraction (>5 Gy) and with high-gradient-dose-distributions, with serious consequences in case of a treatment delivery error (e.g., on dwell position and dwell time). Thus, quality assurance (QA) or quality control (QC) should be systematically and independently implemented. This paper describes the design and testing of a phantom and an instrumented gynecological applicator for pretreatment QA and in vivo QC, respectively...
September 2016: Medical Physics
https://www.readbyqxmd.com/read/27364874/the-nuances-of-brachytherapy-taught-by-teachers-from-beyond-questionnaire-based-assessment-of-the-first-cadaveric-hands-on-brachytherapy-workshop-in-india
#11
Ram Charith Alva, Kirthi Koushik Agrahara Sreenivasa, Janaki Manur Gururajachar, Arul Ponni Thiru Raju, Mohan S Kumar, Ramesh S Bilimagga, Gurunath Kilara, Harish Krishnamachar, Satish Chandramouli
PURPOSE: A questionnaire-based assessment of a cohort of young radiation oncologists attending the first human cadaveric hands-on brachytherapy workshop in India. METHODS AND MATERIALS: The cadaveric workshop for hands-on training in head/neck and gynecologic cancers was a novel process conducted at M.S. Ramaiah Medical College and Hospital, for which 30 attendees from all regions of India took part with an opportunity to interact with experienced resource persons, individually perform the procedure, and indulge in all aspects of brachytherapy process...
September 2016: Brachytherapy
https://www.readbyqxmd.com/read/27330792/analysis-of-baseline-hepatitis-b-virus-dna-levels-in-chronic-hepatitis-b-patients-with-non-hematological-malignancies-prior-to-the-initiation-of-cancer-chemotherapy
#12
Shih-Hao Young, Tien-Hsin Wei, Chung-Chi Lin, Chi-Jen Chu, Fa-Yauh Lee, May-Ing Yu, Rei-Hwa Lu, Chiao-Yu Chang, Pei-Ling Yang, Mei-Hui Wang, Han-Chieh Lin
Reactivation of hepatitis B virus (HBV) infection is common (~20-50%) during cancer chemotherapy. Baseline HBV replication status is an important risk factor for HBV reactivation. To date, data on the baseline HBV DNA level for chronic hepatitis B (CHB) patients prior to chemotherapy, particularly for non-hematological malignancies, are limited. A total of 105 consecutive CHB patients with solid tumors who received prophylactic antiviral therapy prior to chemotherapy from November, 2011 to December, 2014, were enrolled in this study...
July 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27298767/relationship-and-interactions-of-curcumin-with-radiation-therapy
#13
REVIEW
Vivek Verma
Curcumin is widely reported to have remarkable medicinal - and antineoplastic - properties. This review details curcumin's relationship with radiotherapy (RT), principally as a radiosensitizer for various malignancies and a radioprotector for normal tissues. First, examples of radiosensitization are provided for various cancers: Pediatric, lymphoma, sarcoma, prostate, gynecologic, pancreas, liver, colorectal, breast, lung, head/neck, and glioma. It is not the purpose of this article to comprehensively review all radiosensitization data; however, high-quality studies are discussed in relationship to currently-controversial RT questions for many cancers, and thus the importance of developing a natural radiosensitizer...
June 10, 2016: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27229869/chronic-condition-clusters-and-functional-impairment-in-older-cancer-survivors-a-population-based-study
#14
Kelly M Kenzik, Erin E Kent, Michelle Y Martin, Smita Bhatia, Maria Pisu
PURPOSE: The purpose of the study is to identify chronic condition clusters at pre- and post-cancer diagnosis, evaluate predictors of developing clusters post-cancer, and examine the impact on functional impairment among older cancer survivors. METHODS: We identified 5991 survivors age 65 and older of prostate, breast, colorectal, lung, bladder, kidney, head and neck, and gynecologic cancer and non-Hodgkin lymphoma from the Surveillance, Epidemiology and End Results-Medicare Health Outcomes Survey resource...
December 2016: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/27090851/danish-translation-and-linguistic-validation-of-the-u-s-national-cancer-institute-s-patient-reported-outcomes-version-of-the-common-terminology-criteria-for-adverse-events-pro-ctcae
#15
Christina Bæksted, Aase Nissen, Helle Pappot, Pernille Envold Bidstrup, Sandra A Mitchell, Ethan Basch, Susanne Oksbjerg Dalton, Christoffer Johansen
CONTEXT: The Common Terminology Criteria for Adverse Events (CTCAE) is the basis for standardized clinician-based grading and reporting of adverse events in cancer clinical trials. The U.S. National Cancer Institute has developed the Patient-Reported Outcomes version of the CTCAE (PRO-CTCAE) to incorporate patient self-reporting of symptomatic adverse events. OBJECTIVES: The aim of the study was to translate and linguistically validate a Danish language version of PRO-CTCAE...
August 2016: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/26993288/streptococcus-agalactiae-infection-in-cancer-patients-a-five-year-study
#16
B A S Pimentel, C A S Martins, J C Mendonça, P S D Miranda, G F Sanches, A L Mattos-Guaraldi, P E Nagao
Although the highest burden of Streptococcus agalactiae infections has been reported in industrialized countries, studies on the characterization and epidemiology are still limited in developing countries and implementation of control strategies remains undefined. The aim of this retrospective study was to assess the epidemiological, clinical, and microbiological aspects of S. agalactiae infections in cancer patients treated at a Reference Brazilian National Cancer Institute - INCA, Rio de Janeiro, Brazil. We reviewed the clinical and laboratory records of all cancer patients identified as having invasive S...
June 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/26991917/effect-of-folic-acid-supplementation-on-cancer-risk-among-adults-with-hypertension-in-china-a-randomized-clinical-trial
#17
Xianhui Qin, Lin Shen, Rong Zhang, Youbao Li, Xiaobin Wang, Binyan Wang, Xiaodong Jiang, Hua Jiang, Yu Lei, Fan Fan Hou, Jin Gu, Yong Huo
: The relationship of folic acid supplementation with the risk of cancer remains inconclusive. We aimed to evaluate the effects of folic acid supplementation on cancer incidence among adults with hypertension without history of stroke or myocardial infarction(MI) in the China Stroke Primary Prevention Trial(CSPPT). A total of 20,702 hypertensive adults without history of stroke or MI, stratified by MTHFR C677T genotypes(CC, CT, and TT), were randomly assigned to receive double-blind daily treatment with a single pill containing 10mg enalapril and 0...
March 17, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/26979757/association-between-polymorphism-rs678653-in-human-cyclin-d1-gene-ccnd1-and-susceptibility-to-cancer-a-meta-analysis
#18
Xichao Dai, Xizhi Zhang, Buhai Wang, Chaomin Wang, Jingting Jiang, Changping Wu
BACKGROUND: To assess the association between polymorphism rs678653 in human Cyclin D1 gene (CCND1) and the risk of cancer. MATERIAL/METHODS: Multiple biomedical databases were systematically searched. Pooled odds ratios (OR) and 95% confidence intervals (95% CIs) were calculated in the appropriate model. RESULTS: In total, 17 case-control studies from 14 articles were included. When combing all available data, no significant association of rs678653 with cancer risk was observed under different genetic models...
March 16, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/26925690/cancers-among-south-east-asian-nationals-in-brunei-darussalam
#19
Vui Heng Chong, Pemasari Upali Telisinghe, Edwin Lim, Jackson Tan, Chee Fui Chong
BACKGROUND: Worldwide, the incidence of cancers is increasing and is becoming a major public health issue, including those in the Asia Pacific region. South-East Asia is a region with diverse populations with different disease spectra. This study looked at the spectrum of cancers among South-East Asians working in Brunei Darussalam. MATERIALS AND METHODS: The cancer registry from 1994 to 2012 maintained by the State Laboratory was retrospectively reviewed. Crude incidence rates were calculated based on the population census of 2010...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/26907449/analysis-of-after-hours-patient-telephone-calls-in-two-academic-radiation-oncology-departments-an-opportunity-for-improvement-in-patient-safety-and-quality-of-care
#20
Laura E G Warren, Miranda B Kim, Neil E Martin, Helen A Shih
PURPOSE: Patient care within radiation oncology extends beyond the clinic or treatment hours. The on-call radiation oncologist is often not a patient's primary radiation oncologist, introducing the possibility of communication breakdowns and medical errors. This study analyzed after-hours telephone calls to identify opportunities for improved patient safety and quality of care. METHODS AND MATERIALS: Patient calls received outside of business hours between July 1, 2013, and June 30, 2014, at two academic radiation oncology departments were retrospectively reviewed...
April 2016: Journal of Oncology Practice
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