keyword
MENU ▼
Read by QxMD icon Read
search

External beam

keyword
https://www.readbyqxmd.com/read/28734648/minimally-invasive-treatment-of-class-4-invasive-cervical-resorption-with-internal-approach-a%C3%A2-case-series
#1
Avi Shemesh, Joe Ben Itzhak, Michael Solomonov
Invasive cervical resorption (ICR) is a type of external resorption that can involve the coronal, middle, and apical parts of the root in its advanced stages. The diagnosis and treatment of ICR depend on the extent of the resorption into the dentin. The treatment of advanced ICR is challenging, and these teeth have poor prognoses. This article describes 4 cases of class 4 ICR diagnosed by using cone-beam computed tomography and treated with a minimally invasive internal approach with sodium hypochlorite irrigation and calcium hydroxide dressing...
July 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28734596/developments-in-urologic-oncology-%C3%A2-oncoforum%C3%A2-the-best-of-2016
#2
F Gómez-Veiga, A Alcaraz-Asensio, J Burgos-Revilla, J M Cózar-Olmo
OBJECTIVE: To put forth new findings of urologic oncology with impact on clinical practice presented during 2016 in the main annual meetings. ACQUISITION OF EVIDENCE: This document reviews abstracts on prostate, kidney and bladder cancer presented at the congresses of 2016 (EAU, AUA, ASCO, ESMO and ASTRO) and publications with the highest impact in this period valued with the highest scores by the OncoForum committee. SYNTHESIS OF EVIDENCE: In High-Risk Renal-Cell carcinoma after nephrectomy, disease-free survival was significantly greater for sunitinib than placebo group, with adverse events more frequents...
July 19, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28726527/the-comparison-and-estimation-of-the-prognostic-value-of-lipid-profiles-in-patients-with-prostate-cancer-depends-on-cancer-stage-advancement
#3
Edyta Idalia Wolny-Rokicka, Andrzej Tukiendorf, Jerzy Wydmański, Agnieszka Zembroń-Łacny
Lipid profiles and prostate cancer have a controversial relationship, and the predictive ability of lipids in determining cancer risk estimation is still questionable. This study demonstrates a significance assessment of the plasma lipid profiles of subjects with prostate cancer. Locoregional subjects irradiated with external beam therapy were compared to prostate cancer subjects with bone metastases. The histopathologic diagnosis of 103 subjects (71 locoregional [Group 1] and 32 palliative [Group 2]) were analyzed and compared using their blood samples, total cholesterol (CHL), triglycerides (TG), high-density lipoprotein (HDL) cholesterol, and low-density lipoprotein (LDL) cholesterol...
July 1, 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28725250/adjuvant-radiotherapy-with-brachytherapy-boost-in-soft-tissue-sarcomas
#4
Annalisa Cortesi, Andrea Galuppi, Rezarta Frakulli, Alessandra Arcelli, Fabrizio Romani, Gian Carlo Mattiucci, Giuseppe Bianchi, Stefano Ferrari, Andrea Ferraro, Andrea Farioli, Marco Gambarotti, Alberto Righi, Gabriella Macchia, Francesco Deodato, Savino Cilla, Milly Buwenge, Vincenzo Valentini, Alessio Giuseppe Morganti, Davide Donati, Silvia Cammelli
PURPOSE: The standard primary treatment for soft tissue sarcoma (STS) is a wide surgical resection, preceded or followed by radiotherapy. Purpose of this retrospective study was to assess the efficacy of perioperative brachytherapy (BRT) plus postoperative external beam radiation therapy (EBRT) in patients with intermediate-high risk STS. MATERIAL AND METHODS: BRT delivered dose was 20 Gy. External beam radiation therapy was delivered with 3D-technique using multiple beams...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28725245/the-usefulness-of-fleet-rectal-enemas-on-high-dose-rate-intracavitary-cervical-cancer-brachytherapy-a-prospective-trial
#5
Ignacio Andres, Manuel Gutierrez-Perez, Maria Pilar Rodriguez-Vela, Roberto Berenguer, Marimar Sevillano, Manuel Aguayo, Meritxell Arenas, Angeles Rovirosa, Yashmina Murria-Perez, Sebastia Sabater
PURPOSE: To evaluate the effects of rectal enemas on rectal doses during radical high-dose-rate (HDR) intracavitary cervical brachytherapy (BT). MATERIAL AND METHODS: Twenty patients suffering from cervical cancer and treated with external beam radiotherapy and HDR-BT were included in a prospective trial. The first brachytherapy fraction was considered the basal status, and patients were instructed to self-administer two rectal cleansing enemas before the second fraction...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28725243/outcomes-of-salvage-high-dose-rate-brachytherapy-with-or-without-external-beam-radiotherapy-for-isolated-vaginal-recurrence-of-endometrial-cancer
#6
Shuhei Sekii, Naoya Murakami, Tomoyasu Kato, Ken Harada, Mayuka Kitaguchi, Kana Takahashi, Koji Inaba, Hiroshi Igaki, Yoshinori Ito, Ryohei Sasaki, Jun Itami
PURPOSE: This study was designed to retrospectively analyze outcomes of high-dose-rate (HDR) brachytherapy, with or without external beam radiotherapy (EBRT), in patients with vaginal recurrence of endometrial carcinoma, and to identify factors prognostic of patient outcomes. MATERIAL AND METHODS: The medical records of all patients who underwent HDR brachytherapy for initial recurrence in the vagina of endometrial cancer after definitive surgery between 1992 and 2014 were retrospectively reviewed...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28723511/fit-patient-with-nonmetastatic-castration-resistant-prostate-cancer-lower-urinary-tract-symptoms-and-severe-recurrent-haematuria
#7
Nuradh Joseph, Ananya Choudhury
For biochemical relapse in patients with nonmetastatic castration-resistant prostate cancer previously treated with androgen deprivation alone, external beam radiotherapy to the primary tumour and the pelvic lymph nodes is preferable to radical prostatectomy with lymphadenectomy.
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28721888/long-term-quality-of-life-in-prostate-cancer-patients-treated-with-cesium-131
#8
Scott M Glaser, Katherine S Chen, Ronald M Benoit, Ryan P Smith, Sushil Beriwal
PURPOSE: To evaluate long-term patient-reported quality of life (QOL) scores in men with prostate cancer treated at our institution with (131)Cs prostate brachytherapy. METHODS AND MATERIALS: Patients treated more than 4 years ago with (131)Cs (n=290) were asked to fill out an Expanded Prostate Cancer Index Composite (EPIC) QOL questionnaire and American Urological Association Symptom Score (AUASS) survey, before treatment and at each follow-up appointment. We compared patients' EPIC and AUA scores at baseline with scores at a last follow-up of at least 4 years after treatment using the Wilcoxon signed-rank test...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721887/external-beam-radiation-therapy-with-a-brachytherapy-boost-versus-radical-prostatectomy-in-gleason-pattern-5-prostate-cancer-a-population-based-cohort-study
#9
Chenyang Wang, Amar U Kishan, Mitchell Kamrava, Michael L Steinberg, Christopher R King
PURPOSE: Patients with prostate cancer (PCa) containing Gleason pattern (GP) 5 disease experience a greater and earlier incidence of prostate cancer-specific mortality (PCSM) than general PCa patients. This affords the statistical power to compare PCSM outcomes among different treatment modalities even when restricting the analysis to patients treated in the modern era. The purpose of the present study was to compare the survival outcomes among patients with GP 5 PCa on needle core biopsy or transurethral resection of the prostate who underwent extremely dose-escalated radiation therapy (RT; exemplified by external beam RT with a brachytherapy boost [EBRT + BT]) versus radical prostatectomy (RP) in the modern era...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721886/effect-of-eischens-yoga-during-radiation-therapy-on-prostate-cancer-patient-symptoms-and-quality-of-life-a-randomized-phase-ii-trial
#10
Avital Mazar Ben-Josef, Jerry Chen, Paul Wileyto, Abigail Doucette, Justin Bekelman, John Christodouleas, Curtiland Deville, Neha Vapiwala
PURPOSE: A randomized phase II study was performed to measure the potential therapeutic effects of yoga on fatigue, erectile dysfunction, urinary incontinence, and overall quality of life (QOL) in prostate cancer (PCa) patients undergoing external beam radiation therapy (RT). METHODS AND MATERIALS: The participants were randomized to yoga and no-yoga cohorts (1:1). Twice-weekly yoga interventions were offered throughout the 6- to 9-week courses of RT. Comparisons of standardized assessments were performed between the 2 cohorts for the primary endpoint of fatigue and the secondary endpoints of erectile dysfunction, urinary incontinence, and QOL before, during, and after RT...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721684/pharmacokinetics-microscale-distribution-and-dosimetry-of-alpha-emitter-labeled-anti-pd-l1-antibodies-in-an-immune-competent-transgenic-breast-cancer-model
#11
Jessie R Nedrow, Anders Josefsson, Sunju Park, Tom Bäck, Robert F Hobbs, Cory Brayton, Frank Bruchertseifer, Alfred Morgenstern, George Sgouros
BACKGROUND: Studies combining immune checkpoint inhibitors with external beam radiation have shown a therapeutic advantage over each modality alone. The purpose of these works is to evaluate the potential of targeted delivery of high LET radiation to the tumor microenvironment via an immune checkpoint inhibitor. METHODS: The impact of protein concentration on the distribution of (111)In-DTPA-anti-PD-L1-BC, an (111)In-antibody conjugate targeted to PD-L1, was evaluated in an immunocompetent mouse model of breast cancer...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28721221/pasireotide-successful-treatment-of-a-sparsely-granulated-tumour-in-a-resistant-case-of-acromegaly
#12
W K M G Amarawardena, K D Liyanarachchi, J D C Newell-Price, R J M Ross, D Iacovazzo, M Debono
The granulation pattern of somatotroph adenomas is well known to be associated with differing clinical and biochemical characteristics, and it has been shown that sparsely granulated tumours respond poorly to commonly used somatostatin receptor ligands (SRLs). We report a challenging case of acromegaly with a sparsely granulated tumour resistant to multiple modalities of treatment, ultimately achieving biochemical control with pasireotide. A 26-year-old lady presented with classical features of acromegaly, which was confirmed by an oral glucose tolerance test...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28719019/initial-testing-of-a-pixelated-silicon-detector-prototype-in-proton-therapy
#13
Andrew J Wroe, Grant McAuley, Anthony V Teran, Jeannie Wong, Marco Petasecca, Michael Lerch, James M Slater, Anatoly B Rozenfeld
As technology continues to develop, external beam radiation therapy is being employed, with increased conformity, to treat smaller targets. As this occurs, the dosimetry methods and tools employed to quantify these fields for treatment also have to evolve to provide increased spatial resolution. The team at the University of Wollongong has developed a pixelated silicon detector prototype known as the dose magnifying glass (DMG) for real-time small-field metrology. This device has been tested in photon fields and IMRT...
July 18, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28718323/modern-approaches-to-the-management-of-metastatic-epidural-spinal-cord-compression
#14
Zain A Husain, Arjun Sahgal, Eric L Chang, Pejman Jabehdar Maralani, Charlotte D Kubicky, Kristin J Redmond, Charles Fisher, Ilya Laufer, Simon S Lo
Metastatic epidural spinal cord compression (MESCC) is an oncologic emergency requiring prompt treatment to maximize neurologic function, ambulatory function and local control. Traditionally, options for MESCC included external beam radiation therapy with or without surgery. Surgery has usually been reserved for the patient with optimal performance status, single level MESCC or mechanical instability. Advances in external beam radiation therapy such as the development of stereotactic body radiation therapy have allowed for the delivery of high-dose radiation, allowing for both long-term pain and local control...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28718286/functionalized-selenium-nanosystem-as-radiation-sensitizer-of-125i-seeds-for-precise-cancer-therapy
#15
Yahui Yang, Qiang Xie, Zhennan Zhao, Lizhen He, Leung Chan, Yingxiang Liu, Yongle Chen, Mingjun Bai, Tao Pan, Yanni Qu, Long Ling, Tianfeng Chen
Although radiotherapy has been extensively applied in cancer treatment, external beam radiation therapy is still difficult to avoid damage to adjacent normal tissues in the process of delivering a sufficient radiation dose to the tumor sites of patients. To overcome this limitation, chemoradiotherapy, as a combination of chemotherapy and radiotherapy of radioactive seed, has been proposed to decrease the damage for tumor surrounding tissues and enhance the radiosensitivity of solid tumors. In the study, we designed and synthesized folic acid-conjugated selenium nanoparticles (FA@SeNPs) as cancer-targeting agent, which could be synergistically enhanced by the radioactive 125I seeds to realize anticancer efficacy and inhibited colony formation ability...
July 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28717856/intraoperative-radiotherapy-for-extremity-soft-tissue-sarcomas-can-long-term-local-control-be-achieved
#16
Esther Carbó-Laso, Pablo Sanz-Ruiz, José Antonio Calvo-Haro, Miguel Cuervo-Dehesa, Rubén Pérez-Mañanes, Lydia Mediavilla-Santos, Coral Sánchez-Pérez, Ana Álvarez-González, Javier Vaquero-Martín
BACKGROUND: Intraoperative electron-beam radiation therapy (IOERT) during limb-sparing surgery has the advantage of delivering a single high boost dose to sarcoma residues and surgical bed area near to radiosensitive structures with limited toxicity. Retrospective studies have suggested that IOERT may improve local control compared to standard radiotherapy and we aimed to demonstrate this theory. Therefore, we performed an observational prospective study to determine (1) if it is possible to achieve high local control by adding IOERT to external-beam radiation therapy (EBRT) in extremity soft-tissue sarcomas (STS), (2) if it is possible to improve long-term survival rates, and (3) if toxicity could be reduced with IOERT MATERIALS AND METHODS: From 1995-2003, 39 patients with extremity STS were treated with IOERT and postoperative radiotherapy...
July 17, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28716090/clinical-workflow-for-mr-only-simulation-and-planning-in-prostate
#17
Neelam Tyagi, Sandra Fontenla, Michael Zelefsky, Marcia Chong-Ton, Kyle Ostergren, Niral Shah, Lizette Warner, Mo Kadbi, Jim Mechalakos, Margie Hunt
PURPOSE: To describe the details and experience of implementing a MR-only workflow in the clinic for simulation and planning of prostate cancer patients. METHODS: Forty-eight prostate cancer patients from June 2016 - Dec 2016 receiving external beam radiotherapy were scheduled to undergo MR-only simulation. MR images were acquired for contouring (T2w axial, coronal, sagittal), synthetic-CT generation (3D FFE-based) and fiducial identification (3D bFFE-based). The total acquisition time was 25 min...
July 17, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28714454/a-back-projection-algorithm-in-the-presence-of-an-extra-attenuating-medium-towards-epid-dosimetry-for-the-mr-linac
#18
I Torres-Xirau, I Olaciregui-Ruiz, R A Rozendaal, P González, B J Mijnheer, J-J Sonke, U A van der Heide, A Mans
In external beam radiotherapy, electronic portal imaging devices (EPIDs) are frequently used for pre-treatment and for in vivo dose verification. Currently, various MR-guided radiotherapy systems are being developed and clinically implemented. Independent dosimetric verification is highly desirable. For this purpose we adapted our EPID-based dose verification system for use with the MR-Linac combination developed by Elekta in cooperation with UMC Utrecht and Philips. In this study we extended our back-projection method to cope with the presence of an extra attenuating medium between the patient and the EPID...
July 17, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28713845/impact-of-phonons-on-dephasing-of-individual-excitons-in-deterministic-quantum-dot-microlenses
#19
Tomasz Jakubczyk, Valentin Delmonte, Sarah Fischbach, Daniel Wigger, Doris E Reiter, Quentin Mermillod, Peter Schnauber, Arsenty Kaganskiy, Jan-Hindrik Schulze, André Strittmatter, Sven Rodt, Wolfgang Langbein, Tilmann Kuhn, Stephan Reitzenstein, Jacek Kasprzak
Optimized light-matter coupling in semiconductor nanostructures is a key to understand their optical properties and can be enabled by advanced fabrication techniques. Using in situ electron beam lithography combined with a low-temperature cathodoluminescence imaging, we deterministically fabricate microlenses above selected InAs quantum dots (QDs), achieving their efficient coupling to the external light field. This enables performing four-wave mixing microspectroscopy of single QD excitons, revealing the exciton population and coherence dynamics...
December 21, 2016: ACS Photonics
https://www.readbyqxmd.com/read/28713737/maxillary-distraction-osteogenesis-in-unilateral-cleft-lip-and-palate-patients-with-rigid-external-distraction-system
#20
Shadi Alkhouri, Peter D Waite, Matthew B Davis, Ejvis Lamani, Chung How Kau
AIM: Distraction osteogenesis (DO) is a treatment option for patients with maxillary hypoplasia secondary to cleft lip and palate (CLP). PURPOSE: The aim of this study is to present a technique for maxillary DO using Le Fort I osteotomy with rigid external distraction (RED) system. SUBJECTS AND METHODS: The patient presented in this paper was an Asian female with CLP aged 13 years and 6 months. She presented with severe midfacial deficiency with a Class III dental malocclusion with a negative overjet and concave facial profile...
January 2017: Annals of Maxillofacial Surgery
keyword
keyword
96684
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"