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Radiotherapy OR (radiation therapy)

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https://www.readbyqxmd.com/read/28651115/ten-year-results-of-applying-an-original-scoring-system-for-addressing-adjuvant-therapy-use-after-breast-conserving-surgery-for-ductal-carcinoma-in-situ-of-the-breast
#1
Massimiliano Gennaro, Maria Carmen De Santis, Luigi Mariani, Salvatore Lo Vullo, Vera Cappelletti, Roberto Agresti, Umberto Cortinovis, Biagio Paolini, Serena Di Cosimo, Maria Luisa Carcangiu, Maria Grazia Daidone, Laura Lozza
PURPOSE: Although large-scale randomised clinical trials have established that radiotherapy (RT) - alone or combined with hormonal therapy (HT) - is effective in reducing the risk of ipsilateral breast tumour recurrence (IBTR), overall survival does not seem to be improved by adjuvant therapies. We sought to ascertain whether specific criteria can be adopted to avoid RT with an acceptable rate of IBTR after breast-conserving surgery (BCS) achieving tumour-free margins. PATIENTS AND METHODS: This non-randomised prospective study concerned the outcome of patients who underwent BCS for ductal carcinoma in situ (DCIS) and were prospectively assessed by means of an established scoring system based on width of free margins in association with age <40, presence of comedonecrosis, high grade, ER negativity and HER2 positivity, to orient the use of any adjuvant therapies...
June 23, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28650891/pretreatment-primary-tumor-suvmax-on-18f-fdg-pet-ct-images-predicts-outcomes-in-patients-with-salivary-gland-carcinoma-treated-with-definitive-intensity-modulated-radiation-therapy
#2
Cheng-En Hsieh, Kung-Chu Ho, Chia-Hsun Hsieh, Tzu-Chen Yen, Chun-Ta Liao, Hung-Ming Wang, Chien-Yu Lin
PURPOSE: The aim of this study was to investigate the prognostic significance of F-FDG uptake in salivary gland carcinoma (SGC) patients treated with definitive intensity-modulated radiation therapy (IMRT). METHODS: We retrospectively examined 46 SGC patients who received pretreatment F-FDG PET/CT and definitive IMRT between 2007 and 2014. Most tumors were located in the minor salivary glands (n = 35 [76%]). Forty-six percent (n = 21) of the participants had unresectable disease...
June 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28650805/an-in-vitro-and-numerical-study-of-moxibustion-therapy-on-biological-tissue
#3
Ying Li, Chao Sun, Jiujie Kuang, Changchun Ji, Shangsheng Feng, Jiangtao Wu, Haojun You
OBJECTIVE: Moxibustion therapy achieves satisfactory therapeutic effects largely depending on the heat stimulation of burning moxa. Understanding the thermal characteristics of heating process is an effective way to reveal the underlying mechanisms of moxibustion therapy. METHODS: This paper performs experimental study on temperature distributions of burning moxa sticks and fresh in-vitro porcine abdominal tissue using an infrared camera and thermocouples. Meanwhile, a moxibustion model incorporating moxa stick burning model and tissue heat transfer model was established with consideration of radiation propagation and water evaporation...
June 26, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28650743/identifying-factors-and-root-causes-associated-with-near-miss-or-safety-incidents-in-patients-treated-with-radiotherapy-a-case-control-analysis
#4
Gregory D Judy, Prithima R Mosaly, Lukasz M Mazur, Gregg Tracton, Lawrence B Marks, Bhishamjit S Chera
PURPOSE: To identify factors associated with a near-miss or safety incident (NMSI) in patients undergoing radiotherapy and identify common root causes of NMSIs and their relationship with incident severity. METHODS: We retrospectively studied NMSIs filed between October 2014 and April 2016. We extracted patient-, treatment-, and disease-specific data from patients with an NMSI (n = 200; incident group) and a similar group of control patients (n = 200) matched in time, without an NMSI...
June 26, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28650437/antigen-capturing-nanoparticles-improve-the-abscopal-effect-and-cancer-immunotherapy
#5
Yuanzeng Min, Kyle C Roche, Shaomin Tian, Michael J Eblan, Karen P McKinnon, Joseph M Caster, Shengjie Chai, Laura E Herring, Longzhen Zhang, Tian Zhang, Joseph M DeSimone, Joel E Tepper, Benjamin G Vincent, Jonathan S Serody, Andrew Z Wang
Immunotherapy holds tremendous promise for improving cancer treatment. To administer radiotherapy with immunotherapy has been shown to improve immune responses and can elicit the 'abscopal effect'. Unfortunately, response rates for this strategy remain low. Herein we report an improved cancer immunotherapy approach that utilizes antigen-capturing nanoparticles (AC-NPs). We engineered several AC-NP formulations and demonstrated that the set of protein antigens captured by each AC-NP formulation is dependent on the NP surface properties...
June 26, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28650355/axillary-dissection-and-nodal-irradiation-can-be-avoided-for-most-node-positive-z0011-eligible-breast-cancers-a-prospective-validation-study-of-793-patients
#6
Monica Morrow, Kimberly J Van Zee, Sujata Patil, Oriana Petruolo, Anita Mamtani, Andrea V Barrio, Deborah Capko, Mahmoud El-Tamer, Mary L Gemignani, Alexandra S Heerdt, Laurie Kirstein, Melissa Pilewskie, George Plitas, Virgilio S Sacchini, Lisa M Sclafani, Alice Ho, Hiram S Cody
OBJECTIVE: To determine rates of axillary dissection (ALND) and nodal recurrence in patients eligible for ACOSOG Z0011. BACKGROUND: Z0011 demonstrated that patients with cT1-2N0 breast cancers and 1 to 2 involved sentinel lymph nodes (SLNs) having breast-conserving therapy had no difference in locoregional recurrence or survival after SLN biopsy alone or ALND. The generalizability of the results and importance of nodal radiotherapy (RT) is unclear. METHODS: Patients eligible for Z0011 had SLN biopsy alone...
July 22, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28650276/highlights-of-the-san-antonio-breast-cancer-symposium-2016
#7
John R Benson, Ismail Jatoi
The 39th annual San Antonio Breast Cancer Symposium (SABCS) was convened in San Antonio, Texas, on 9-13 December 2016. More than 7000 clinicians and scientists from around the world participated in the symposium which featured a range of presentations and keynote talks pertaining to breast cancer screening, prevention, locoregional and systemic therapies. This two-part report highlights a selection of important studies presented at this premier breast cancer event with Part 1 focusing onmetastatic breast cancer, extended endocrine therapy and the prognostic significance of BRCA1/2 gene mutations...
June 26, 2017: Future Oncology
https://www.readbyqxmd.com/read/28650116/polymeric-drug-delivery-systems-for-intraoral-site-specific-chemoprevention-of-oral-cancer
#8
REVIEW
Kashappa Goud H Desai
Oral cancer is among the most prevalent cancers in the world. Moreover, it is one of the major health problems and causes of death in many regions of the world. The traditional treatment modalities include surgical removal, radiation therapy, systemic chemotherapy, or a combination of these methods. In recent decades, there has been significant interest in intraoral site-specific chemoprevention via local drug delivery using polymeric systems. Because of its easy accessibility and clear visibility, the oral mucosa is amenable for local drug delivery...
June 26, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28649774/osteoradionecrosis-of-the-jaws-definition-epidemiology-staging-and-clinical-and-radiological-findings-a-concise-review
#9
REVIEW
Aristeidis Chronopoulos, Theodora Zarra, Michael Ehrenfeld, Sven Otto
Osteoradionecrosis (ORN) of the jaws is a pernicious complication of radiation therapy for head and neck tumours. This article aims to provide an update on data related to the definition, epidemiology, staging, and clinical and radiological findings of ORN of the jaws. Using certain keywords, an electronic search was conducted spanning the period from January 1922 to April 2014 to identify the available related investigations. Pooled data were then analysed. ORN is described as exposed irradiated bone that fails to heal over a period of 3 months without evidence of persisting or recurrent tumour...
June 25, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28649708/potential-benefits-of-crawl-position-for-prone-radiation-therapy-in-breast-cancer
#10
Bert Boute, Wilfried De Neve, Bruno Speleers, Annick Van Greveling, Christel Monten, Tom Van Hoof, Joris Van de Velde, Leen Paelinck, Werner De Gersem, Tom Vercauteren, Jan Detand, Liv Veldeman
PURPOSE: To investigate crawl position with the arm at the treated side alongside the body and at the opposite side above the head for prone treatment in patients requiring breast and regional lymph node irradiation. METHODS: Patient support devices for crawl position were built for CT simulation and treatment. An asymmetric fork design resulted from an iterative process of prototype construction and testing. The fork's large horn supports the hemi-thorax, shoulder, and elevated arm at the nontreated side and the head...
June 26, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28649692/urgent-need-to-strengthen-and-expand-screening-and-other-cancer-control-programs-in-the-caricom-caribbean
#11
Renee A Franklin, Donald T Simeon
PURPOSE: With high mortality in breast, cervical, prostate, and colorectal cancers in Caribbean Community (CARICOM) countries, we examined cancer control initiatives including screening as well as the implementation of relevant international and regional mandates. METHODS: Secondary data were used to examine cancer control initiatives, which included the presence of national policies, programs, and screening services as well as the implementation of international and regional mandates...
June 26, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28649664/quantitative-analysis-of-the-spatial-distribution-of-metastatic-brain-lesions
#12
Ted K Yanagihara, Albert Lee, Tony J C Wang
Brain metastases (BMs) are the most common intracranial malignancy and afflict ~10%-20% of patients with cancer. BMs tend to present at the boundaries of gray and white matter because of the distribution of small vessels. In addition, metastases may not be randomly distributed across gross anatomical regions of the brain, but this has not previously been quantified. We retrospectively analyzed a series of 28 patients with recurrent BMs with a total of 150 lesions. Each lesion was manually defined based on T1 gadolinium-enhanced imaging...
March 2017: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28649650/vitamin-d-ointment-for-prevention-of-radiation-dermatitis-in-breast-cancer-patients
#13
Nicola J Nasser, Shlomit Fenig, Amiram Ravid, Ariella Nouriel, Naama Ozery, Sara Gardyn, Ruth Koren, Eyal Fenig
Radiation dermatitis occurs frequently during adjuvant radiation therapy for breast cancer. Prevention of radiation dermatitis by applying various creams and ointments has a limited success, and Aqua cream which has urea as one of its active ingredients is used in many institutions as a preventive treatment. The primary goal of this study is to assess the effect of vitamin D (calcipotriol) ointment in prevention of radiodermatitis in breast cancer patients compared to Aqua cream. Twenty-three women with localized breast cancer who underwent breast-conserving surgery and opted to receive adjuvant radiotherapy to breast only were enrolled in this study...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28649482/the-impact-of-tobacco-use-on-outcomes-and-toxicity-in-a-predominantly-minority-population-of-males-with-prostate-cancer-receiving-external-beam-radiation
#14
Anna Lee, Meng S Shao, David Schwartz, Joseph Safdieh, Virginia W Osborn, David Schreiber
INTRODUCTION: To investigate whether current or prior smoking history had any impact on prostate cancer outcomes and toxicity in our predominantly minority population of males receiving dose-escalated external beam radiation therapy (EBRT). METHODS: Of the 500 patients treated with EBRT between 2003-2011, 444 had smoking histories recorded. Patients were classified as current smoker, former smoker, or never smoker. Biochemical failure-free survival (BFFS) and distant metastatic-free survival (DMFS) endpoints were analyzed...
May 18, 2017: Curēus
https://www.readbyqxmd.com/read/28649094/current-management-of-pregnancy-associated-breast-cancer
#15
H Hy Yu, P Sy Cheung, R Cy Leung, T N Leung, W H Kwan
Pregnancy-associated breast cancer is the most common malignancy during pregnancy with an expected rise in incidence. The belief in the need for termination of pregnancy and that chemotherapy is contra-indicated during pregnancy is challenged by recent evidence. Patients can consider breast-conserving surgery and sentinel lymph node biopsy with acceptably low fetal risk from radiation exposure. A range of chemotherapeutics is possible in the second trimester in terms of drug class and frequency. Hormone therapy and monoclonal antibody therapy are contra-indicated during pregnancy and lactation...
June 26, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28649032/a-standard-mastectomy-should-not-be-the-only-recommended-breast-surgical-treatment-for-non-metastatic-inflammatory-breast-cancer-a-large-population-based-study-in-the-surveillance-epidemiology-and-end-results-database-18
#16
Hongliang Chen, Kejin Wu, Maoli Wang, Fuwen Wang, Mingdi Zhang, Peng Zhang
BACKGROUND: Standard mastectomy has long been the recommended breast surgical treatment for non-metastatic inflammatory breast cancer (IBC). The objective of this population-based study was to evaluate the significance of various breast surgical treatments for this highly aggressive subtype. METHODS: The Surveillance, Epidemiology, and End Results program registry was searched to identify women with non-metastatic IBC receiving standard treatment including breast surgery, radiation therapy and chemotherapy diagnosed between 1998 and 2013...
June 22, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28648967/glans-necrosis-following-penile-prosthesis-implantation-prevention-and-treatment-suggestions
#17
Steven K Wilson, Cesar Mora-Estaves, Paulo Egydio, David Ralph, Mohamad Habous, Christopher Love, Ahmad Shamsodini, Robert Valenzuela, Faysal A Yafi
OBJECTIVE: To examine possible etiology and treatment outcomes in 21 patients with glans necrosis following penile prosthesis implantation. METHODS: Glans necrosis typically presented with a dusky glans on first post-operative day following prosthesis implantation. RESULTS: The blood supply to the glans penis consists of the dorsal arteries and the terminal branches of the spongiosal arteries. Using this cohort, we compiled pre-operative comorbidities and adjunctive surgical maneuvers that might compromise glans vascularity leading to glans necrosis...
June 22, 2017: Urology
https://www.readbyqxmd.com/read/28648948/randomized-phase-ii-study-comparing-prophylactic-cranial-irradiation-alone-to-prophylactic-cranial-irradiation-and-consolidative-extra-cranial-irradiation-for-extensive-disease-small-cell-lung-cancer-ed-sclc-nrg-oncology-rtog-0937
#18
Elizabeth M Gore, Chen Hu, Alexander Y Sun, Daniel F Grimm, Suresh S Ramalingam, Neal E Dunlap, Kristin A Higgins, Maria Werner-Wasik, Aaron M Allen, Puneeth Iyengar, Gregory M M Videtic, Russell K Hales, Ronald C McGarry, James J Urbanic, Anthony T Pu, Candice A Johnstone, Volker W Stieber, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: RTOG-0937 is a randomized phase-II trial evaluating 1-year OS with PCI or PCI plus consolidative radiation therapy (cRT) to intra-thoracic disease and extracranial metastases for ED-SCLC. METHODS: Patients with 1-4 extracranial metastases were eligible after CR or PR to chemotherapy. Randomization was to PCI or PCI+cRT to the thorax and metastases. Original stratification included PR vs CR after chemotherapy and 1 vs 2-4 metastases; age < 65 vs > 65 was added after an observed imbalance...
June 22, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28648866/cytokines-in-immunogenic-cell-death-applications-for-cancer-immunotherapy
#19
REVIEW
Anne Showalter, Arati Limaye, Jeremiah L Oyer, Robert Igarashi, Christina Kittipatarin, Alicja J Copik, Annette R Khaled
Despite advances in treatments like chemotherapy and radiotherapy, metastatic cancer remains a leading cause of death for cancer patients. While many chemotherapeutic agents can efficiently eliminate cancer cells, long-term protection against cancer is not achieved and many patients experience cancer recurrence. Mobilizing and stimulating the immune system against tumor cells is one of the most effective ways to protect against cancers that recur and/or metastasize. Activated tumor specific cytotoxic T lymphocytes (CTLs) can seek out and destroy metastatic tumor cells and reduce tumor lesions...
June 22, 2017: Cytokine
https://www.readbyqxmd.com/read/28648818/evaluation-of-the-preimplantation-worksheet-in-determining-calypso-eligibility-for-men-prescribed-postprostatectomy-radiotherapy-with-electromagnetic-transponder-guidance
#20
Daniel George Hamilton, Kingsley Jones, Kevin So
This study aimed to assess the design and performance of the preimplant suitability worksheet in determining Calypso eligibility for prostate cancer patients prescribed postprostatectomy radiotherapy with electromagnetic transponder guidance. The medical records and radiotherapy planning datasets of 75 patients prospectively recruited between June 2015 and September 2016 to a Phase 2 trial evaluating electromagnetic transponder-guided postprostatectomy radiotherapy were retrospectively examined. Correlation and differences between computed tomography (CT)-defined greater trochanter and prostatic fossa landmarks were evaluated...
June 22, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
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