نتایج جستجو برای: hand radiography

تعداد نتایج: 276456  

2017
Elham Pishbin Koorosh Ahmadi Molood Foogardi Maryam Salehi Farrokh Seilanian Toosi Vafa Rahimi-Movaghar

PURPOSE Rib fractures are the most common skeletal thoracic injuries resulting from blunt chest trauma. Half of the rib fractures are not detected upon a precise physical evaluation and radiographs. Recently ultrasonography (USG) has been investigated to detect rib fractures. But based on literature the usefulness of USG varies widely. This study was conducted to investigate the role of USG in ...

2016
Maud Lundén Bodil T. Andersson Solveig M. Lundgren

When investigating the general state of radiography, an allied health care education in Sweden, one possible starting point is to conduct a review of Bachelor theses from radiography education programmes. The nature and function of the thesis can have an academic or professional perspective or a combination of both. The review of the theses can give insight into both the current state and the f...

Journal: :مجله تحقیق در علوم دندانپزشکی و فک و دهان 0
mehralizade s nemati anaraki s sakhdari s miraba s amiri siavashani m bayat s

abstract background and aim: considering the importance of detection of secondary caries, the adverse consequences of false positive and false negative diagnoses and the gap of information in the diagnostic efficacy of digital sensors in detection of secondary caries, this in vitro study sought to compare the diagnostic efficacy of two different resolutions of radiographs obtained by photostimu...

2008
Hazem M. El-Bakry Nikos Mastorakis

In this paper, a new fast algorithm for dental diseases detection is presented. Such algorithm relies on performing cross correlation in the frequency domain between input image and the input weights of fast neural networks (FNNs). It is proved mathematically and practically that the number of computation steps required for the presented FNNs is less than that needed by conventional neural netw...

Journal: :Diagnostic and interventional radiology 2014
Tolga İnal Gökçe Ataç

PURPOSE We aimed to determine the radiation doses delivered to patients undergoing general examinations using computed or digital radiography systems in Turkey. MATERIALS AND METHODS Radiographs of 20 patients undergoing posteroanterior chest X-ray and of 20 patients undergoing anteroposterior kidney-ureter-bladder radiography were evaluated in five X-ray rooms at four local hospitals in the ...

Journal: :Annals of the rheumatic diseases 2002
M Backhaus G R Burmester D Sandrock D Loreck D Hess A Scholz S Blind B Hamm M Bollow

OBJECTIVE To carry out a prospective two year follow up study comparing conventional radiography, three-phase bone scintigraphy, ultrasonography (US), and three dimensional (3D) magnetic resonance imaging (MRI) with precontrast and dynamic postcontrast examination in detecting early arthritis. The aim of the follow up study was to monitor the course of erosions during treatment with disease mod...

Journal: :Radiographics : a review publication of the Radiological Society of North America, Inc 2007
Markus Körner Christof H Weber Stefan Wirth Klaus-Jürgen Pfeifer Maximilian F Reiser Marcus Treitl

During the past two decades, digital radiography has supplanted screen-film radiography in many radiology departments. Today, manufacturers provide a variety of digital imaging solutions based on various detector and readout technologies. Digital detectors allow implementation of a fully digital picture archiving and communication system, in which images are stored digitally and are available a...

Journal: :iranian journal of radiology 0
mohammadhashem hoseini department of orthodontic, school of dentistry, tehran university of medical sciences, tehran, iran sara zamaheni department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hourieh bashizadeh fakhar department of radiology, school of dentistry, tehran university of medical sciences, tehran, iran forough akbari department of pediatrics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran javad chalipa department of orthodontic, school of dentistry, tehran university of medical sciences, tehran, iran afsaneh rahmati department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran; department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. tel: +98-2122403080, fax: +98-2122403194

background prediction of skeletal growth is necessary for growth modification and surgical orthodontic treatments and is usually done by assessing skeletal maturity indicators in hand-wrist radiographs. the use of growth stages of cervical vertebrae in lateral cephalograms has been suggested to avoid overexposure. objectives this study seeks to assess the degree of agreement between hand-wrist ...

2010
Mariko L Ishimori Roy D Altman Myles J Cohen Jinrui Cui Xiuqing Guo Jerome I Rotter Michael H Weisman

INTRODUCTION The objective of the present study was to assess heritability of clinical and radiographic features of hand osteoarthritis (OA) in affected patients and their siblings. METHODS A convenience sample of patients with clinical and radiographic hand OA and their siblings were evaluated by examination and radiography. Radiographs were scored for hand OA features by radiographic atlas....

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