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ethics AND radiography

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https://www.readbyqxmd.com/read/28668424/digital-breast-tomosynthesis-versus-full-field-digital-mammography-which-modality-provides-more-accurate-prediction-of-margin-status-in-specimen-radiography
#1
Heba A Amer, Florian Schmitzberger, Barbara Ingold-Heppner, Julia Kussmaul, Manal F El Tohamy, Hazim I Tantawy, B Hamm, M Makowski, Eva M Fallenberg
OBJECTIVES: To evaluate the reliability of tumor margin assessment in specimen radiography (SR) using digital breast tomosynthesis (DBT) and full-field digital mammography (FFDM) in comparison to postoperative histopathology margin status as the gold standard. METHODS: After ethics committee approval, 102 consecutive patients who underwent breast conservative surgery for nonpalpable proven breast cancer were prospectively included. All patients underwent ultrasound/mammography-guided wire localization of their lesions...
August 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28416969/repeatability-and-agreement-of-ultrasonography-with-computed-tomography-for-evaluating-forefoot-structure-in-the-coronal-plane
#2
Keisuke Matsubara, Tomofumi Matsushita, Yuto Tashiro, Seishiro Tasaka, Takuya Sonoda, Yasuaki Nakayama, Yuki Yokota, Yusuke Suzuki, Mirei Kawagoe, Tomoki Aoyama
BACKGROUND: Forefoot structure is important to understand some foot problems such as hallux valgus and metatarsalgia. Ultrasonography (US) is a highly portable, noninvasive, low cost, and fast imaging method, especially when compared to magnetic resonance imaging (MRI), computed tomography (CT), and radiography. As the use of US for evaluating forefoot bony structure has not been validated, except for the presence of synovitis, erosions and bursitis within the forefoot in people with inflammatory arthritis, the purpose of this study was to determine whether US is a reliable method for evaluating forefoot structure...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28361579/dementia-and-clinical-interaction-in-frontline-radiography-mapping-the-practical-experiences-of-junior-clinicians-in-the-uk
#3
Paul K Miller, Lisa Booth, Adam Spacey
This paper reports findings from a study of the practical experiences of junior diagnostic radiographers in the UK when managing patients with dementia. Extended semi-structured interviews with six participants (mean experience in diagnostic radiography = 3.5 years) were analysed using interpretative phenomenological analysis. Findings highlight that participants' recurrently cited lack of confidence around their knowledge of dementia, and regular treatment of the condition as a 'generic' thing in practice, had sometimes damaged clinical interaction, particularly when the participant was feeling institutional time pressures...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/28330684/mri-for-the-detection-of-calcific-features-of-vertebral-haemangioma
#4
COMPARATIVE STUDY
Y Y Bender, S M Böker, G Diederichs, T Walter, M Wagner, E Fallenberg, T Liebig, M Rickert, B Hamm, M R Makowski
AIM: To evaluate the diagnostic performance of susceptibility-weighted-magnetic-resonance imaging (SW-MRI) for the detection of vertebral haemangiomas (VHs) compared to T1/T2-weighted MRI sequences, radiographs, and computed tomography (CT). MATERIALS AND METHODS: The study was approved by the local ethics review board. An SW-MRI sequence was added to the clinical spine imaging protocol. The image-based diagnosis of 56 VHs in 46 patients was established using T1/T2 MRI in combination with radiography/CT as the reference standard...
August 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28215933/gender-determination-from-diagnostic-factors-on-anteroposterior-pelvic-radiographs
#5
Azadeh Memarian, Kamran Aghakhani, Shahrokh Mehrpisheh, Foroozan Fares
BACKGROUND: Gender determination from skeletal remains is one of the primary factors in forensic medicine. This study aimed to identify the gender of patients referred to the radiology ward of the Rasoul Akram Hospital of Tehran using anteroposterior pelvic radiography. METHODS: A total of 200 patients (100 male and 100 female) referred to the radiology ward of the Rasoul Akram Hospital for anteroposterior pelvic radiography during 2013-2014 were included in this study...
March 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/27815054/reliability-of-the-bi-rads-final-assessment-categories-and-management-recommendations-in%C3%A2-a-telemammography-context
#6
Antonio J Salazar, Javier A Romero, Oscar A Bernal, Angela P Moreno, Sofía C Velasco
PURPOSE: The aim of this study was to evaluate the intradevice and interdevice reliability of four alternatives for telemammography-computed radiography, printed film, a film digitizer, and a digital camera-in terms of interpretation agreement when using the BI-RADS(®) lexicon. METHODS: The ethics committee of the authors' institution approved this retrospective study. A factorial design with repeated measures with 1,960 interpretations was used (70 patients, seven radiologists, and four devices)...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27777584/noninferiority-and-equivalence-evaluation-of-clinical-performance-among-computed-radiography-film-and-digitized-film-for-telemammography-services
#7
Antonio J Salazar, Javier A Romero, Oscar A Bernal, Angela P Moreno, Sofía C Velasco, Xavier A Díaz
Objective. The aim of this study was to evaluate and compare the clinical performance of different alternatives to implement low-cost screening telemammography. We compared computed radiography, film printed images, and digitized films produced with a specialized film digitizer and a digital camera. Material and Methods. The ethics committee of our institution approved this study. We assessed the equivalence of the clinical performance of observers for cancer detection. The factorial design included 70 screening patients, four technological alternatives, and cases interpreted by seven radiologists, for a total of 1,960 observations...
2016: International Journal of Telemedicine and Applications
https://www.readbyqxmd.com/read/27684352/non-destructive-imaging-of-fragments-of-historical-beeswax-seals-using-high-contrast-x-ray-micro-radiography-and-micro-tomography-with-large-area-photon-counting-detector-array
#8
Jakub Karch, Benjamin Bartl, Jan Dudak, Jan Zemlicka, Frantisek Krejci
Historical beeswax seals are unique cultural heritage objects. Unfortunately, a number of historical sealing waxes show a porous structure with a strong tendency to stratification and embrittlement, which makes these objects extremely prone to mechanical damage. The understanding of beeswax degradation processes therefore plays an important role in the preservation and consequent treatment of these objects. Conventional methods applied for the investigation of beeswax materials (e.g. gas chromatography) are of a destructive nature or bring only limited information about the sample surface (microscopic techniques)...
September 16, 2016: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/27548342/differentiation-of-osteophytes-and-disc-herniations-in-spinal-radiculopathy-using-susceptibility-weighted-magnetic-resonance-imaging
#9
Yvonne Yi-Na Bender, Gerd Diederichs, Thula Cannon Walter, Moritz Wagner, Thomas Liebig, Marcus Rickert, Kay-Geert Hermann, Bernd Hamm, Marcus Richard Makowski
OBJECTIVE: The aim of this study was to evaluate the diagnostic performance of susceptibility-weighted magnetic resonance imaging (SW-MRI) for the differentiation of osteophytes and disc herniations of the spine compared with that of conventional spine MR sequences and radiography. MATERIALS AND METHODS: This study was approved by the local ethics review board; written consent was obtained from all subjects. Eighty-one patients with suspected radiculopathy of the spine were included prospectively...
February 2017: Investigative Radiology
https://www.readbyqxmd.com/read/27209200/cross-sectional-imaging-of-adult-crystal-and-inflammatory-arthropathies
#10
REVIEW
Theodoros Soldatos, Parham Pezeshk, Fatemeh Ezzati, David R Karp, Joel D Taurog, Avneesh Chhabra
This article highlights the key aspects and current perspectives of the role of cross-sectional imaging in adult crystal and inflammatory arthropathies in adults, briefly discussing CT, and particularly focusing on MRI and US imaging as it supplements the conventional radiography. The role of conventional and advanced MR imaging techniques and imaging findings in this domain is discussed and illustrated with case examples. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards...
September 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27164407/radiographers-perceptions-of-their-professional-rights-in-diagnostic-radiography-a-qualitative-interview-study
#11
Kati Matilainen, Sanna-Mari Ahonen, Päivi Kankkunen, Mari Kangasniemi
BACKGROUND: Considering the ethics of each profession is important as inter-professional collaboration increases. Professional ethics creates a basis for radiographers' work, as it includes values and principles, together with rights and duties that guide and support professionals. However, little is known about radiographers' rights when it comes to professional ethics. THE AIM: The aim of this study was to describe radiographers' perceptions and experiences of their professional rights...
March 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/26886247/diagnostic-accuracy-of-ultrasound-conventional-radiography-and-synovial-fluid-analysis-in-the-diagnosis-of-calcium-pyrophosphate-dihydrate-crystal-deposition-disease
#12
Georgios Filippou, Antonella Adinolfi, Marco A Cimmino, Carlo A Scirè, Serafino Carta, Sauro Lorenzini, Pierpaolo Santoro, Luca M Sconfienza, Ilaria Bertoldi, Valentina Picerno, Valentina Di Sabatino, Paolo Ferrata, Mauro Galeazzi, Bruno Frediani
OBJECTIVES: To assess the diagnostic performance of ultrasound (US), x-rays, and microscopic analysis of synovial fluid (SF) for calcium pyrophosphate dihydrate crystal deposition disease (CPPD) using histology as a reference standard. METHODS: We enrolled consecutive patients with osteoarthritis waiting to undergo knee replacement surgery. Each patient underwent US of the knee, focusing on menisci and the hyaline cartilage, the day before surgery. During surgery, SF, menisci and condyles were retrieved and examined microscopically...
March 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/26680019/the-biomechanical-testing-for-the-assessment-of-bone-quality-in-an-experimental-model-of-chronic-kidney-disease
#13
Ewa Oksztulska-Kolanek, Beata Znorko, Małgorzata Michałowska, Krystyna Pawlak
Mineral metabolism disturbances are common in chronic kidney disease (CKD) and have been classified as a new clinical entity, also known as CKD-mineral and bone disorders (CKD-MBD). A decrease in the bone strength, whose clinical manifestation is a tendency for fracture, has been recognized as an important component of CKD-MBD. Because of ethical issues, measurements of the bone strength in the human body are usually limited to noninvasive techniques, such as radiography, dual-energy X-ray absorptiometry and the assays of bone turnover biomarkers...
2016: Nephron
https://www.readbyqxmd.com/read/26375301/clinical-research-abstracts-of-the-british-equine-veterinary-association-congress-2015
#14
K Vanschandevijl, H Nollet, G Vercauteren, R Ducatelle, P Deprez
REASONS FOR PERFORMING STUDY: Transcranial magnetic stimulation (TMS) is an electrophysiological technique used to elicit motor evoked potentials (MMEPs) to evaluate the functional integrity of the descending motor fibres in the spinal cord. Successful application of the technique was reported in horses with spinal cord compression. However, limited data are available on the correlation of TMS with histopathological changes. OBJECTIVES: To determine sensitivity of TMS for assessing the integrity of the spinal cord in horses with compressive lesions of the spinal cord...
September 2015: Equine Veterinary Journal
https://www.readbyqxmd.com/read/26334680/digital-compared-with-screen-film-mammography-measures-of-diagnostic-accuracy-among-women-screened-in-the-ontario-breast-screening-program
#15
COMPARATIVE STUDY
Maegan V Prummel, Derek Muradali, Rene Shumak, Vicky Majpruz, Patrick Brown, Hedy Jiang, Susan J Done, Martin J Yaffe, Anna M Chiarelli
PURPOSE: To compare measures of diagnostic accuracy between large concurrent cohorts of women screened with digital computed radiography (CR), direct radiography (DR), and screen-film mammography (SFM). MATERIALS AND METHODS: This study was approved by the University of Toronto Research Ethics Board; informed consent was not required. Three concurrent cohorts of women aged 50-74 years who were screened from 2008-2009 in the Ontario Breast Screening Program with SFM (487,334 screening examinations, 403,688 women), DR (254,758 screening examinations, 220,520 women), or CR (74,140 screening examinations, 64,210 women) were followed for 2 years or until breast cancer diagnosis...
February 2016: Radiology
https://www.readbyqxmd.com/read/25889967/dental-root-elevator-embedded-into-a-subgingival-caries-a-case-report
#16
Jaume Miranda-Rius, Lluís Brunet-Llobet, Eduard Lahor-Soler, Ombeni Mrina, Albert Ramírez-Rámiz
BACKGROUND: Breakage of surgical instruments is a rare complication. A mistake in operator technique or sub-standard/aged tools could lead to this type of accident. A tooth elevator is an instrument used in minor oral surgical procedures to luxate the tooth or fractured root from its socket. The authors have not found any previously published cases reporting the breakage of a tooth elevator tip which then remained as a foreign body in a hidden caries cavity. CASE PRESENTATION: A 28-year-old African black male was referred to a hospital in Tanzania for an intraoral radiography...
February 28, 2015: BMC Research Notes
https://www.readbyqxmd.com/read/25777216/dental-root-elevator-embedded-into-a-subgingival-caries-a-case-report
#17
Jaume Miranda-Rius, Lluís Brunet-Llobet, Eduard Lahor-Soler, Ombeni Mrina, Albert Ramírez-Rámiz
BACKGROUND: Breakage of surgical instruments is a rare complication. A mistake in operator technique or sub-standard/aged tools could lead to this type of accident. A tooth elevator is an instrument used in minor oral surgical procedures to luxate the tooth or fractured root from its socket. The authors have not found any previously published cases reporting the breakage of a tooth elevator tip which then remained as a foreign body in a hidden caries cavity. CASE PRESENTATION: A 28-year-old African black male was referred to a hospital in Tanzania for an intraoral radiography...
December 2015: BMC Research Notes
https://www.readbyqxmd.com/read/25649793/a-survey-on-pulmonary-screening-practices-among-otolaryngology-head-neck-surgeons-across-canada-in-the-post-treatment-surveillance-of-head-and-neck-squamous-cell-carcinoma
#18
J Madana, Gregoire B Morand, Luz Barona-Lleo, Martin J Black, Alex M Mlynarek, Michael P Hier
BACKGROUND: Post treatment lung screening for head and neck cancer patients primarily focuses on the distant metastasis and a high rate of second primary can also be expected. The best screening tool and timing for this purpose is controversial. We sought out to assess the current practice and beliefs among Canadian Head and Neck Surgeons. METHODS: After Ethical Board approval, a nationwide survey was conducted through the Canadian Society of Otolaryngology (CSO) among head and neck surgeons regarding their practices for pulmonary screening in HNSCC patients...
February 4, 2015: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/25194938/carpal-angles-as-measured-on-ct-and-mri-can-we-simply-translate-radiographic-measurements
#19
Stephanie Tan, Simranjit S Ghumman, Martin Ladouceur, Thomas P Moser
OBJECTIVE: To determine the reliability of carpal angles measured on CT and MRI compared to radiography and assess if these measurements are interchangeable. MATERIALS AND METHODS: Our institutional ethic research committee approved this study. For this retrospective study, two independent observers measured the scapholunate (SL), capitolunate (CL), radiolunate (RL), and radioscaphoid (RS) angles on 21 sets of exams, with each set including a radiograph, CT, and MRI of the same wrist...
December 2014: Skeletal Radiology
https://www.readbyqxmd.com/read/25192172/diagnostic-accuracy-of-computer-aided-detection-of-pulmonary-tuberculosis-in-chest-radiographs-a-validation-study-from-sub-saharan-africa
#20
Marianne Breuninger, Bram van Ginneken, Rick H H M Philipsen, Francis Mhimbira, Jerry J Hella, Fred Lwilla, Jan van den Hombergh, Amanda Ross, Levan Jugheli, Dirk Wagner, Klaus Reither
BACKGROUND: Chest radiography to diagnose and screen for pulmonary tuberculosis has limitations, especially due to inter-reader variability. Automating the interpretation has the potential to overcome this drawback and to deliver objective and reproducible results. The CAD4TB software is a computer-aided detection system that has shown promising preliminary findings. Evaluation studies in different settings are needed to assess diagnostic accuracy and practicability of use. METHODS: CAD4TB was evaluated on chest radiographs of patients with symptoms suggestive of pulmonary tuberculosis enrolled in two cohort studies in Tanzania...
2014: PloS One
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