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https://www.readbyqxmd.com/read/28652810/an-effective-deep-inspiration-breath-hold-radiotherapy-technique-for-left-breast-cancer-impact-of-post-mastectomy-treatment-nodal-coverage-and-dose-schedule-on-organs-at-risk
#1
Lynsey Rice, Christy Goldsmith, Melanie Ml Green, Susan Cleator, Patricia M Price
BACKGROUND: We developed, applied, and prospectively evaluated a novel deep-inspiration breath-hold (DIBH) screening and delivery technique to optimize cardiac sparing in left-breast radiotherapy (RT) at our clinic. The impact of set-up and dose variables upon organs at risk (OAR) dose in DIBH RT was investigated. METHODS AND MATERIALS: All patients with left-breast cancer referred between 2011 and 2014 - of all disease stages, set-up variations, and dose prescriptions - were included...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28652090/the-effect-of-primary-care-physician-knowledge-of-lung-cancer-screening-guidelines-on-perceptions-and-utilization-of-low-dose-computed-tomography
#2
Dan J Raz, Geena X Wu, Martin Consunji, Rebecca A Nelson, Heeyoung Kim, Can-Lan Sun, Virginia Sun, Jae Y Kim
INTRODUCTION: Lung cancer screening (LCS) with low-dose computed tomography (LDCT) is recommended by the U.S. Preventive Services Task Force (USPSTF) in high-risk patients, but a minority of eligible people are screened. It is not clear whether knowledge of USPSTF recommendations among primary care physicians (PCP) affects utilization of LDCT. METHODS: A randomly selected sample of 1384 PCPs in Los Angeles County was surveyed between January and October 2015, using surveys sent by mail, fax, and e-mail...
June 1, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28649084/malignancy-rate-of-focal-thyroid-incidentaloma-detected-by-fdg-pet-ct-results-of-a-prospective-cohort-study
#3
Philippe Thuillier, Nathalie Roudaut, Genevieve Crouzeix, Marie Cavarec, Philippe Robin, Ronan Abgral, Veronique Kerlan, Pierre-Yves Salaun
OBJECTIVE: To evaluate the malignancy rate of focal thyroid incidentaloma (fTI) in a population of patients undergoing a 18F-fluorodeoxyglucose positron emission tomography - computed tomography (FDG PET-CT) for a non-thyroid purpose. DESIGN: We conducted a prospective cohort study from January 2013 to November 2014. All consecutive patients referred for a FDG PET-CT were prospectively screened. Patients with known neoplasic thyroid disease were excluded from the analysis...
June 25, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28648922/oxovanadium-iv-complexes-with-knoevenagel-schiff-base-condensate-as-impending-chemotherapeutic-agents-synthesis-characterization-biological-screening-and-anti-proliferative-assay
#4
Rajakkani Paulpandiyan, Natarajan Raman
Two novel oxovanadium(IV) complexes [VOL1]SO4(1) and [VOL2]SO4(2) containing Knoevenagel condensate Schiff base ligand (L1/L2) have been synthesized and characterized by physical, spectral and analytical methods. These complexes are reported as ionic in nature on the basis of elemental composition and molar conductance, and possess square pyramidal geometry around the central metal ions. The binding interactions of (1) and (2) with calf thymus DNA (CT DNA) were explored by absorption spectrophotometric titration, cyclic voltammetry data and viscosity measurements...
June 19, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28646330/-imaging-of-vessels-supplying-the-brain
#5
REVIEW
S M Schellong, N Abolmaali, B Voigts, C Stelzner
Nowadays, several technically validated modalities are available for imaging both the extracranial and intracranial segments of arteries supplying blood to the brain. In the acute stroke setting, computed tomography (CT) angiography is of utmost importance because it provides the key diagnostic criteria indicative for the use of catheter-based recanalization techniques. Ultrasound imaging of extracranial arteries is most suitable for detecting an underlying stenosis of the internal carotid artery (ICA) in patients with stroke, transient ischemic attacks (TIA), retinal vessel occlusion and amaurosis fugax...
June 23, 2017: Der Internist
https://www.readbyqxmd.com/read/28643307/-application-of-magnetic-resonance-in-non-operative-treatment-strategy-for-rectal-cancer
#6
Yi Wang, Gong Chen
The primary curative modality for localized rectal cancer is total mesorectal excision (TME). Local control rate of rectal cancer has been improved after neoadjuvant chemoradiotherapy and even pathological complete response (pCR) has been demonstrated in a significant minority. Patients who achieve pCR to neoadjuvant chemoradiotherapy have an excellent prognosis compared with those without pCR. If the patients with complete response to neoadjuvant chemoradiation can be demonstrated by clinical findings and medical imaging (cCR), a non-operative management (NOM) strategy may be pursued to preserve sphincter function and avoid complications induced by TME, which is a new tendency in the treatment of rectal cancer in recent years...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643031/pediatric-emergency-care-applied-research-network-pecarn-prediction-rules-in-identifying-high-risk-children-with-mild-traumatic-brain-injury
#7
B Nakhjavan-Shahraki, M Yousefifard, M J Hajighanbari, A Oraii, S Safari, M Hosseini
PURPOSE: Pediatric Emergency Care Applied Research Network (PECARN) traumatic brain injury (TBI) prognostic rules is a scoring system for prediction of the need for computed tomography (CT) scanning in children with mild TBI. However, its validation has not been assessed in developing countries. Therefore, the present study was designed to assess the value of PECARN rule in identification of children with clinically important TBI (ciTBI). METHOD: In this prospective cross-sectional study, 594 children (mean age: 7...
June 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28639828/prevalence-of-vertebral-compression-fractures-on-routine-ct-scans-according-to-l1-trabecular-attenuation-determining-relevant-thresholds-for-opportunistic-osteoporosis-screening
#8
Peter M Graffy, Scott J Lee, Timothy J Ziemlewicz, Perry J Pickhardt
OBJECTIVE: Radiologists interpreting body CT scans may be the first to identify osteoporosis and associated vertebral fractures. This study correlates L1 trabecular attenuation measurements with prevalent vertebral body fractures in older adults undergoing routine CT. MATERIALS AND METHODS: Mean L1 trabecular attenuation was measured at thoracoabdominal CT in 1966 consecutive adults (983 men and 983 women) 65 years and older (mean age, 74.1 ± 6.6 [SD] years). Sagittal reconstructions and lateral scouts were analyzed for moderate or severe thoracolumbar vertebral compression fractures according to the Genant semiquantitative assessment method...
June 22, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28637997/positional-relationships-of-abdominal-aortic-branches-for-contrast-radiography-of-the-inferior-mesenteric-artery-using-the-coeliac-trunk-and-superior-mesenteric-artery-as-landmarks
#9
Yusuke Nakayama, Shogo Hayashi, Kyoko Takeuchi, Shinichi Kawata, Ning Qu, Masahiro Itoh
PURPOSE: To establish a method by which angiography of the inferior mesenteric artery (IMA) can be performed smoothly, we investigated the relative locations of the coeliac trunk (CT), superior mesenteric artery (SMA), IMA, and left renal artery (LtRA). METHODS: From a total of 60 cadavers, 32 cadavers with few arteriosclerotic lesions and little vascular tortuosity were selected for the study. The abdominal aorta (Ao) were removed and incised on both lateral side, along the vertical axis and transected into the ventral and dorsal sides...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/28637439/a-qualitative-analysis-of-smokers-perceptions-about-lung-cancer-screening
#10
Lindsay Gressard, Amy S DeGroff, Thomas B Richards, Stephanie Melillo, Julia Kish-Doto, Christina L Heminger, Elizabeth A Rohan, Kristine Gabuten Allen
BACKGROUND: In 2013, the US Preventive Services Task Force (USPSTF) began recommending lung cancer screening for high risk smokers aged 55-80 years using low-dose computed tomography (CT) scan. In light of these updated recommendations, there is a need to understand smokers' knowledge of and experiences with lung cancer screening in order to inform the design of patient education and tobacco cessation programs. The purpose of this study is to describe results of a qualitative study examining smokers' perceptions around lung cancer screening tests...
June 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28637238/chlamydia-trachomatis-seroprevalence-and-ultrasound-diagnosed-uterine-fibroids-in-a-large-population-of-young-african-american-women
#11
Kristen R Moore, Jennifer S Smith, Stephen R Cole, Dirk P Dittmer, Victor J Schoenbach, Donna D Baird
Reproductive tract infections have long been hypothesized to increase fibroid risk. Few studies have been conducted, even for the common infection, genital Chlamydia trachomatis (gCT), and only with self-reported gCT data. Our investigation used micro-immunofluorescence serology for gCT to characterize past exposure. We used cross-sectional enrollment data from a prospective fibroid study in the Detroit, Michigan area; ultrasound examinations systematically screened for fibroids. Participants were African-American women ages 23-34 (recruited 2010-2012)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28636866/prevalence-and-risk-factors-of-chlamydia-trachomatis-neisseria-gonorrhoeae-trichomonas-vaginalis-and-other-sexually-transmissible-infections-among-women-attending-antenatal-clinics-in-three-provinces-in-papua-new-guinea-a-cross-sectional-survey
#12
Lisa M Vallely, Pamela Toliman, Claire Ryan, Glennis Rai, Johanna Wapling, Carolyn Tomado, Savarina Huliafi, Gloria Munnull, Patricia Rarau, Suparat Phuanukoonnon, Handan Wand, Peter Siba, Glen D L Mola, John M Kaldor, Andrew J Vallely
Background Papua New Guinea (PNG) is estimated to have among the highest prevalences of HIV and sexually transmissible infections (STIs) of any Asia-Pacific country, and one of the highest burdens of maternal syphilis globally. The prevalence of curable STIs, such as Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV), among pregnant women in PNG is relatively unknown. METHODS: A cross-sectional bio-behavioural survey to investigate the epidemiology of CT, NG, TV and other STIs among pregnant women in three provinces of PNG was undertaken...
October 2016: Sexual Health
https://www.readbyqxmd.com/read/28634123/clinical-utility-of-chromosomal-aneusomy-in-individuals-at-high-risk-of-lung-cancer
#13
Anna E Barón, Severine Kako, William J Feser, Heather Malinowski, Daniel Merrick, Kavita Garg, Stephen Malkoski, Shannon Pretzel, Jill M Siegfried, Wilbur A Franklin, York Miller, Holly J Wolf, Marileila Varella-Garcia
INTRODUCTION: Low dose CT screening for lung cancer has a high false positive rate with frequent discovery of indeterminate pulmonary nodules. Noninvasive biomarkers are needed to reduce false positives and improve risk stratification. A retrospective longitudinal evaluation was performed to assess chromosomal aneusomy in sputum via fluorescence in situ hybridization (CA-FISH) in four nested case-control studies. METHODS: ROC analysis resulted in two grouped cohorts: High Risk (CO High Risk and CO Nodule; 68 Cases, 69 controls) and Screening (ACRIN/NLST and PLuSS; 97 Cases, 185 controls)...
June 17, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28632191/sexually-transmitted-infections-a-novel-screening-strategy-for-improving-women-s-health-in-vulnerable-populations
#14
Elena R Frati, Ester Fasoli, Marianna Martinelli, Daniela Colzani, Silvia Bianchi, Luciana Carnelli, Antonella Amendola, Pierfranco Olivani, Elisabetta Tanzi
BACKGROUND: Migrant women are one of the most vulnerable population to health problems and well-being. This study aimed at implementing a counseling and preventive strategy for sexually transmitted infections (STIs) in undocumented migrant women in Milan, Italy. METHODS: Women (ages 18-65) were enrolled at the NAGA Centre (2012-2013) and asked for a urine sample in order to carry out molecular detection of Human papillomavirus (HPV), Chlamydia trachomatis (Ct), Trichomonas vaginalis (Tv), Neisseria gonorrhoeae (Ng)-DNA...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28630761/partial-proximal-tibia-fractures
#15
Michael J Raschke, Christoph Kittl, Christoph Domnick
Partial tibial plateau fractures may occur as a consequence of either valgus or varus trauma combined with a rotational and axial compression component.High-energy trauma may result in a more complex and multi-fragmented fracture pattern, which occurs predominantly in young people. Conversely, a low-energy mechanism may lead to a pure depression fracture in the older population with weaker bone density.Pre-operative classification of these fractures, by Müller AO, Schatzker or novel CT-based methods, helps to understand the fracture pattern and choose the surgical approach and treatment strategy in accordance with estimated bone mineral density and the individual history of each patient...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28627945/-model-concept-of-the-health-economic-evaluation-of-low-dose-ct-lung-cancer-screening-in-hungary
#16
Zoltán Vokó, Magdolna Barra, Anett Molnár, Anna Kerpel-Fronius, Gábor Bajzik, Ildikó Horváth, Mariann Moizs, Balázs Nagy
INTRODUCTION: Lung cancer is a rapidly progressing, often life-threatening disease that constitutes a huge societal burden. Because of the scarce resources of the Hungarian health care system, the cost-effectiveness of introducing low-dose computed tomography screening is a relevant health policy matter. AIM: The aim of this study is to design a model concept for assessing the cost-effectiveness of low-dose computed tomography lung cancer screening in Hungary, and to define the required steps for performing the analysis...
June 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28625647/quantification-of-growth-patterns-of-screen-detected-lung-cancers-the-nelson-study
#17
Marjolein A Heuvelmans, Rozemarijn Vliegenthart, Harry J de Koning, Harry J M Groen, Michel J A M van Putten, Uraujh Yousaf-Khan, Carla Weenink, Kristiaan Nackaerts, Pim A de Jong, Matthijs Oudkerk
OBJECTIVES: Although exponential growth is assumed for lung cancer, this has never been quantified in vivo. Aim of this study was to evaluate and quantify growth patterns of lung cancers detected in the Dutch-Belgian low-dose computed tomography (CT) lung cancer screening trial (NELSON), in order to elucidate the development and progression of early lung cancer. MATERIALS AND METHODS: Solid lung nodules found at ≥3 CT examinations before lung cancer diagnosis were included...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28625633/cost-effectiveness-of-implementing-computed-tomography-screening-for-lung-cancer-in-taiwan
#18
Szu-Chun Yang, Wu-Wei Lai, Chien-Chung Lin, Wu-Chou Su, Li-Jung Ku, Jing-Shiang Hwang, Jung-Der Wang
BACKGROUND: A screening program for lung cancer requires more empirical evidence. Based on the experience of the National Lung Screening Trial (NLST), we developed a method to adjust lead-time bias and quality-of-life changes for estimating the cost-effectiveness of implementing computed tomography (CT) screening in Taiwan. METHODS: The target population was high-risk (≥30 pack-years) smokers between 55 and 75 years of age. From a nation-wide, 13-year follow-up cohort, we estimated quality-adjusted life expectancy (QALE), loss-of-QALE, and lifetime healthcare expenditures per case of lung cancer stratified by pathology and stage...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28622797/making-the-best-value-of-clinical-radiology-irefer-guidelines-8th-edition
#19
D Remedios, B France, M Alexander
New uses of medical imaging as well as over-diagnosis and wasteful imaging have led to a 10% per annum growth in computed tomography (CT) and magnetic resonance imaging (MRI). Personalised value to the patient will be helped by referral guidelines for the best test first, adding evidence-based technical value to the investigation to answer the clinical question, thus providing allocative value to the commissioners of medical imaging. Appropriate imaging is driven by the need for effective decisions, radiation safety, and cost awareness...
June 13, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28622167/statin-and-its-association-with-delirium-in-the-medical-icu
#20
Jeffrey F Mather, John P Corradi, Christine Waszynski, Adam Noyes, Yinghui Duan, James Grady, Robert Dicks
OBJECTIVES: To examine the association between statin use and the risk of delirium in hospitalized patients with an admission to the medical ICU. DESIGN: Retrospective propensity-matched cohort analysis with accrual from September 1, 2012, to September 30, 2015. SETTING: Hartford Hospital, Hartford, CT. PATIENTS: An initial population of patients with an admission to a medical ICU totaling 10,216 visits were screened for delirium by means of the Confusion Assessment Method...
June 15, 2017: Critical Care Medicine
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