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https://www.readbyqxmd.com/read/29913523/dental-imaging-a-basic-guide-for-the-radiologist
#1
Max Masthoff, Mirjam Gerwing, Malte Masthoff, Maximilian Timme, Johannes Kleinheinz, Markus Berninger, Walter Heindel, Moritz Wildgruber, Christoph Schülke
BACKGROUND:  As dental imaging accounts for approximately 40 % of all X-ray examinations in Germany, profound knowledge of this topic is essential not only for the dentist but also for the clinical radiologist. This review focuses on basic imaging findings regarding the teeth. Therefore, tooth structure, currently available imaging techniques and common findings in conserving dentistry including endodontology, periodontology, implantology and dental trauma are presented. METHODS:  Literature research on the current state of dental radiology was performed using Pubmed...
June 18, 2018: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/29913520/subependymomas-characteristics-of-a-leave-me-alone-lesion
#2
Sara Kammerer, Monika Mueller-Eschner, Arne Lauer, Anna-Luisa Luger, Johanna Quick-Weller, Kea Franz, Patrick Harter, Joachim Berkefeld, Marlies Wagner
PURPOSE:  Intracranial subependymomas are rare, mostly asymptomatic tumours, which are often found incidentally and therefore did not receive much attention in previous literature. By being classified as benign grade I in the WHO classification of tumours of the central nervous system, they are given a special status compared to the other ependymal tumours. Tumor recurrences are a rarity, spinal "drop metastases" do not occur. While etiological, pathological and therapeutic characteristics have been subject of several publications over the last few decades and have meanwhile been well studied, the imaging characteristics are much less well received...
June 18, 2018: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/29913358/associations-between-proposed-local-government-liquor-store-size-classifications-and-alcohol-consumption-in-young-adults
#3
Sarah Foster, Paula Hooper, Matthew Knuiman, Leanne Lester, Georgina Trapp
The prevalence of warehouse-style liquor stores has prompted alarm from local communities and public health advocates. To increase local government control over liquor stores, one proposed planning response is to distinguish between 'small' (i.e., ≤ 300 m2 ) and 'large' (i.e., > 300 m2 ) liquor stores. We mapped the size and location of liquor stores in Perth, Western Australia, and tested associations between liquor store exposure and alcohol consumption (grams ethanol/day) in young adults (n = 990)...
June 15, 2018: Health & Place
https://www.readbyqxmd.com/read/29913311/phylogenetic-relationships-and-classification-of-the-holarctic-family-leuciscidae-cypriniformes-cyprinoidei
#4
Susana Schönhuth, Jasna Vukic, Radek Sanda, Lei Yang, Richard L Mayden
The phylogenetic relationships and classification of the freshwater fish order Cypriniformes, like many other species-rich groups of vertebrates, has evolved over time with some consistency and inconsistencies of relationships across various studies. Within Cypriniformes, the Holarctic family Leuciscidae is one of the most widely distributed and highly diverse monophyletic groups of cyprinoids. Despite several studies conducted on this group, alternative hypotheses exist as to the composition and relationships within Leuciscidae...
June 15, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29913310/evolutionary-lineages-of-marine-snails-identified-using-molecular-phylogenetics-and-geometric-morphometric-analysis-of-shells
#5
Felix Vaux, Steve A Trewick, James S Crampton, Bruce A Marshall, Alan G Beu, Simon F K Hills, Mary Morgan-Richards
The relationship between morphology and inheritance is of perennial interest in evolutionary biology and palaeontology. Using three marine snail genera Penion, Antarctoneptunea and Kelletia, we investigate whether systematics based on shell morphology accurately reflect evolutionary lineages indicated by molecular phylogenetics. Members of these gastropod genera have been a taxonomic challenge due to substantial variation in shell morphology, conservative radular and soft tissue morphology, few known ecological differences, and geographical overlap between numerous species...
June 15, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29913307/the-development-of-the-representativeness-heuristic-in-young-children
#6
Samantha Gualtieri, Stephanie Denison
In classic examinations of the representativeness heuristic, Kahneman and Tversky (1973) presented adult participants with a description of an individual who fit their stereotype of a typical engineer. Importantly, even when participants were told that the individual was drawn from a sample of 70 lawyers and 30 engineers, they estimated that the individual was an engineer at very high levels, showing that they relied almost exclusively on the personality description. Relying on the representativeness heuristic can lead to base-rate neglect and, thus, biased judgments...
June 15, 2018: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/29913249/variations-in-the-viral-genome-and-biological-properties-of-bovine-leukemia-virus-wild-type-strains
#7
Hironobu Murakami, Jumpei Uchiyama, Chihiro Suzuki, Sae Nikaido, Kaho Shibuya, Reiichiro Sato, Yosuke Maeda, Michiko Tomioka, Shin-Nosuke Takeshima, Hajime Kato, Masahiro Sakaguchi, Hiroshi Sentsui, Yoko Aida, Kenji Tsukamoto
Bovine leukemia virus (BLV) is the etiological agent of enzootic bovine leukosis (EBL), which causes enormous economic losses in the livestock industry worldwide. To reduce the economic loss caused by BLV infection, it is important to clarify the characters associated with BLV transmissibility and pathogenesis in cattle. In this study, we focused on viral characters and examined spontaneous mutations in the virus and viral properties by analyses of whole genome sequences and BLV molecular clones derived from cows with and without EBL...
June 15, 2018: Virus Research
https://www.readbyqxmd.com/read/29913178/deficiency-of-adenosine-deaminase-2-special-focus-on-central-nervous-system-imaging
#8
Elif Bulut, Abdulsamet Erden, Omer Karadag, Kader Karli Oguz, Seza Ozen
PURPOSE: To increase the knowledge of central nervous system (CNS) imaging features in deficiency of adenosine deaminase 2 (DADA2) by examining magnetic resonance imaging (MRI) studies of a relatively large number of patients. METHODS: We retrospectively examined neuroimages of 12 patients (7 male, 5 female) diagnosed with DADA2. The mean age of the patients at the time of initial brain MRI was 16.7±10.2 years. Seven patients (58.3%) fulfilled the classification criteria of polyarteritis nodosa...
June 15, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29913129/philadelphia-chromosome-positive-lymphoblastic-lymphoma-is-it-rare-or-underdiagnosed
#9
Ahmad Alshomar, Riad El Fakih
Lymphoblastic lymphomas (LBLs) are neoplasms of precursor B and T cells; they are considered in the same spectrum as precursor B and T cell acute lymphoblastic leukemia (ALL). The World Health Organization classification classifies both LBL and ALL as one disease entity. While chromosome abnormalities are well defined with all of their therapeutic and prognostic implications in ALL, these are not well studied in LBL. Here, we describe a case of Philadelphia chromosome-positive LBL and review the available literature regarding this entity...
June 15, 2018: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/29913059/quality-of-life-of-head-and-neck-cancer-patients-in-urban-and-regional-areas-an-australian-perspective
#10
Kelsey A Pateman, Nicole L Cockburn, Martin D Batstone, Pauline J Ford
OBJECTIVE: Head and neck cancer treatment affects quality of life. There are differences in quality of life outcomes and perceived supportive care needs between cancer patients living in metropolitan and regional-remote areas. This study investigated quality of life over the first 6 months following head and neck cancer diagnosis and observed differences in quality of life by geographical location. DESIGN: Prospective observational study. SETTING: Tertiary hospital in Brisbane, Australia...
June 2018: Australian Journal of Rural Health
https://www.readbyqxmd.com/read/29912968/information-spreading-by-a-combination-of-meg-source-estimation-and-multivariate-pattern-classification
#11
Masashi Sato, Okito Yamashita, Masa-Aki Sato, Yoichi Miyawaki
To understand information representation in human brain activity, it is important to investigate its fine spatial patterns at high temporal resolution. One possible approach is to use source estimation of magnetoencephalography (MEG) signals. Previous studies have mainly quantified accuracy of this technique according to positional deviations and dispersion of estimated sources, but it remains unclear how accurately MEG source estimation restores information content represented by spatial patterns of brain activity...
2018: PloS One
https://www.readbyqxmd.com/read/29912897/hepatitis-c-virus-notification-rates-in-australia-are-highest-in-socioeconomically-disadvantaged-areas
#12
Samuel W Hainsworth, Paul M Dietze, David P Wilson, Brett Sutton, Margaret E Hellard, Nick Scott
BACKGROUND: Poor access to health services is a significant barrier to achieving the World Health Organization's hepatitis C virus (HCV) elimination targets. We demonstrate how geospatial analysis can be performed with commonly available data to identify areas with the greatest unmet demand for HCV services. METHODS: We performed an Australia-wide cross-sectional analysis of 2015 HCV notification rates using local government areas (LGAs) as our unit of analysis...
2018: PloS One
https://www.readbyqxmd.com/read/29912865/evolution-of-chemokine-receptors-is-driven-by-mutations-in-the-sodium-binding-site
#13
Bruck Taddese, Madeline Deniaud, Antoine Garnier, Asma Tiss, Hajer Guissouma, Hervé Abdi, Daniel Henrion, Marie Chabbert
Chemokines and their receptors (members of the GPCR super-family) are involved in a wide variety of physiological processes and diseases; thus, understanding the specificity of the chemokine receptor family could help develop new receptor specific drugs. Here, we explore the evolutionary mechanisms that led to the emergence of the chemokine receptors. Based on GPCR hierarchical classification, we analyzed nested GPCR sets with an eigen decomposition approach of the sequence covariation matrix and determined three key residues whose mutation was crucial for the emergence of the chemokine receptors and their subsequent divergence into homeostatic and inflammatory receptors...
June 18, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29912815/monitoring-self-reported-adherence-to-antiretroviral-therapy-in-public-hiv-care-facilities-in-brazil-a-national-cross-sectional-study
#14
Maria Altenfelder Santos, Mark Drew Crosland Guimarães, Ernani Tiaraju Santa Helena, Cáritas Relva Basso, Felipe Campos Vale, Wania Maria do Espírito Santo Carvalho, Ana Maroso Alves, Gustavo Machado Rocha, Francisco de Assis Acurcio, Maria das Graças Braga Ceccato, Rogério Ruscitto do Prado, Paulo Rossi Menezes, Maria Ines Batistella Nemes
INTRODUCTION: Patient adherence to antiretroviral therapy (ART) is critical for HIV treatment success. Monitoring rates of adherence in public HIV outpatient care facilities can improve outcomes in Brazil where ART is universally available. METHODS: We conducted a national cross-sectional survey of ART adherence in 2010. Participants were selected using a multistage probability sample. First, HIV outpatient care facilities were stratified according to 7 Organizational Quality Classification (OQC) groups and regions...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29912756/hyperlipidemia-and-nonalcoholic-steatohepatitis-predispose-to-hepatocellular-carcinoma-development-without-cirrhosis
#15
Jennifer Phan, Vivian Ng, Alan Sheinbaum, Sam French, Gina Choi, Mohamed El Kabany, Francisco Durazo, Sammy Saab, Myron Tong, Ronald Busuttil, Steven-Huy Han
BACKGROUND: Hepatocellular carcinoma (HCC) accounts for 90% of primary hepatic malignancies. With the exception of chronic hepatitis B (CHB), other etiologies of chronic liver disease require progression to cirrhosis before HCC development. Case reports have described HCC in noncirrhotic patients with hepatitis C (HCV) and nonalcoholic fatty liver disease. GOAL: The aim of this study was to determine the prevalence of patients without cirrhosis and CHB who developed HCC among a large cohort of HCC patients and to identify independent variables that are associated with no cirrhosis among patients with HCC...
June 16, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29912718/pulmonary-sarcomatoid-carcinomas-a-review
#16
Annikka Weissferdt
Pulmonary sarcomatoid carcinomas belong to a group of neoplasms that remain incompletely understood. They are rare tumors of the bronchopulmonary system that incorporate a wide range of neoplasms that by definition contain a sarcomatoid component characterized by spindle or giant cells. Such classification has led to a heterogenous tumor category that includes neoplasms with different clinical, morphologic, and prognostic features. To date, the histopathologic diagnosis of pulmonary sarcomatoid carcinomas does not require the use of ancillary testing and is based on light microscopic criteria alone...
June 15, 2018: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/29912658/wrist-malpractice-claims-in-northern-norway-2005-2014-lessons-to-be-learned
#17
Jan Norum, Lise Balteskard, Mette Willumstad Thomsen, Hebe Desiree Kvernmo
Rough weather conditions in the subarctic areas of Norway may influence on the risk of wrist fracture. We implemented data from the Norwegian System of Patient Injury Compensation (NPE). All claims due to wrist surgery, performed at the public hospitals in Northern Norway, during 2005-2014 were analyzed. We employed the ICD-10 classification codes S52.5 (fracture of distal end of radius) and S52.6 (fracture of distal end of radius and ulna). Treatment was defined by NCSP codes. 84 patients (0.3%) complained...
December 2018: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/29912554/interface-assisted-synthesis-of-2d-materials-trend-and-challenges
#18
Renhao Dong, Tao Zhang, Xinliang Feng
The discovery of graphene one decade ago has triggered enormous interest in developing two-dimensional materials (2DMs)-that is 2D allotropes of various elements or compounds (consisting of two or more covalently bonded elements) or molecular frameworks with periodic structures. At present, various synthesis strategies have been exploited to produce 2DMs, such as top-down exfoliation and bottom-up chemical vapor deposition and solution synthesis methods. In this review article, we will highlight the interfacial roles toward the controlled synthesis of inorganic and organic 2DMs with varied structural features...
June 18, 2018: Chemical Reviews
https://www.readbyqxmd.com/read/29912447/body-structure-function-activity-and-participation-in-3-to-6-year-old-children-born-very-preterm-an-icf-based-systematic-review-and-meta-analysis
#19
Tara L FitzGerald, Amanda K L Kwong, Jeanie L Y Cheong, Jennifer L McGinley, Lex W Doyle, Alicia J Spittle
Background: The World Health Organization's International Classification of Functioning, Disability and Health framework, Children and Youth Version (ICF-CY), provides a valuable method of conceptualizing the multidomain difficulties experienced by children born very preterm (VP). Reviews investigating motor outcomes at preschool age across ICF-CY domains are lacking. Purpose: The purpose of this review is to identify and compare motor outcomes of 3- to 6-year-old children born VP and children born full term (FT) within the ICF-CY framework...
April 18, 2018: Physical Therapy
https://www.readbyqxmd.com/read/29912385/metaxa2-database-builder-enabling-taxonomic-identification-from-metagenomic-or-metabarcoding-data-using-any-genetic-marker
#20
Johan Bengtsson-Palme, Rodney T Richardson, Marco Meola, Christian Wurzbacher, Émilie D Tremblay, Kaisa Thorell, Kärt Kanger, K Martin Eriksson, Guillaume J Bilodeau, Reed M Johnson, Martin Hartmann, R Henrik Nilsson
Motivation: Correct taxonomic identification of DNA sequences is central to studies of biodiversity using both shotgun metagenomic and metabarcoding approaches. However, no genetic marker gives sufficient performance across all the biological kingdoms, hampering studies of taxonomic diversity in many groups of organisms. This has led to the adoption of a range of genetic markers for DNA metabarcoding. While many taxonomic classification software tools can be re-trained on these genetic markers, they are often designed with assumptions that impair their utility on genes other than the SSU and LSU rRNA...
June 15, 2018: Bioinformatics
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