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Готові списки джерел за темами / Head Radiography

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Добірка наукової літератури з теми "Head Radiography"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 29 липня 2024

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Статті в журналах з теми "Head Radiography"

1

Ellenbecker, Todd S., Angelo J. Mattalino, Eric Elam, and Roger Caplinger. "Quantification of Anterior Translation of the Humeral Head in the Throwing Shoulder." American Journal of Sports Medicine 28, no. 2 (March 2000): 161–67. http://dx.doi.org/10.1177/03635465000280020501.

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Clinical evaluation of humeral head translation relies mainly on manual tests to measure laxity in the human shoulder. The purposes of this study were to determine whether side-to-side differences exist in anterior humeral head translation in professional baseball pitchers, to compare manual laxity testing with stress radiography for quantifying humeral head translation, and to test intrarater reliability of the manual humeral head translation and stress radiography tests. Twenty professional baseball pitchers underwent bilateral manual anterior humeral head translation and stress radiographic

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2

Ngan, Daniel C. S., Om P. Kharbanda, Joseph P. Geenty, and M. Ali Darendeliler. "Comparison of radiation levels from computed tomography and conventional dental radiographs." Australasian Orthodontic Journal 19, no. 2 (November 1, 2003): 67–75. http://dx.doi.org/10.2478/aoj-2003-0009.

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Abstract Background: With the increasing use of computed tomography (CT) in oral diagnosis and treatment planning, concern has been expressed about the high levels of radiation used, and the associated risks. Objectives: The purpose of this study was to compare the radiation doses of facial CT scans with the radiation doses taking a lateral cephalometric radiograph, a panoramic radiograph (OPG), an occlusal film, and an intra-oral periapical radiograph. Methods: An Alderson-Rando anthropomorphic phantom head was used for the analysis. Thirty-six lithium fluoride thermoluminescent dosimeters we

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3

Aktuna Belgin, Ceren, and Gözde Serindere. "Evaluation of error types and quality on panoramic radiography." International Dental Research 9, no. 3 (December 31, 2019): 99–104. http://dx.doi.org/10.5577/intdentres.2019.vol9.no3.2.

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Aim: The aim of this study was to investigate the prevalence of panoramic radiographic errors and to evaluate the correlation between age and panoramic radiographic error types.  Methodology: A total of 500 panoramic radiographs (259 male, 241 female) which have been taken for various reasons were randomly selected from the archive of our dentomaxillofacial radiology department. Patients were divided into six age groups and by sex. The assessed errors included the tongue not in contact with palate, slumped position, patients not biting on bite block, patient movement, the chin tipped hig

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4

Albertsen, M., N. Egund, E. Jonsson, and L. Lidgren. "Assessment AT CT of the Rheumatoid Shoulder with Surgical Correlation." Acta Radiologica 35, no. 2 (March 1994): 164–68. http://dx.doi.org/10.1177/028418519403500213.

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Eleven shoulders in 10 patients with rheumatoid arthritis were examined by conventional radiography and CT prior to cup hemiarthroplasty of the humeral head and the results were compared with the surgical findings. There was good agreement between preoperative CT and surgical findings. Humeral head cavities and erosions, with cortical boundaries, could be seen more accurately at CT than at conventional radiography. The HU of their contents corresponded to those of soft tissue, being granulomatous in nature at surgery. In 8 humeral heads CT disclosed large areas of fatty degeneration of bone ma

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5

Christman, RA, and P. Ly. "Radiographic anatomy of the first metatarsal." Journal of the American Podiatric Medical Association 80, no. 4 (April 1, 1990): 177–203. http://dx.doi.org/10.7547/87507315-80-4-177.

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Normal radiographic anatomy of the first metatarsal bone is established through cadaver dissection, examination of bone specimens, and radiography. Extra-articular and distal articular anatomical landmarks are identified with wire markers. Dorsoplantar, lateral, lateral oblique, and medial oblique radiographs of 15 osteologic sites are presented, including the articular margins of the first metatarsal head, the borders of the three diaphyseal surfaces, the origins of the metatarsophalangeal collateral and metatarsosesamoid suspensory ligaments, and the insertions of the first cuneiform-metatar

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6

Chin, Kuen, Alex Chowdhury, Dimitra Leivadiotou, Helen Marmery, and Philip Michael Ahrens. "The accuracy of plain radiographs in diagnosing degenerate rotator cuff disease." Shoulder & Elbow 11, no. 1_suppl (December 11, 2017): 46–51. http://dx.doi.org/10.1177/1758573217743942.

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Background A number of radiographic signs have been previously demonstrated to be associated with degenerative rotator cuff tears. An ability to predict the presence of a tear by radiography would permit the early commencement of appropriate treatment and the avoidance of unnecessary invasive investigations. The aim of the present study was to determine the accuracy of using radiographic signs to predict the presence of a cuff tear on arthroscopy. Methods Fifty consecutive patients who had undergone shoulder arthroscopy and had pre-operative plain radiographs were included. Pre-operative radio

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7

Kus, Stanley P., and Joe P. Morgan. "RADIOGRAPHY OF THE CANINE HEAD." Veterinary Radiology 26, no. 6 (November 1985): 196–202. http://dx.doi.org/10.1111/j.1740-8261.1985.tb01407.x.

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8

Lee, Hee Young, Matthieu Lalevee, Nacime S. Mansur, Kevin N. Dibbern, Amanda Ehret, Connor Maly, Walter C. Hembree, John E. Femino, Victoria Vivtcharenko, and Cesar de Cesar Netto. "Comparative Assessment of Hallux Rigidus using Conventional Radiograph and Weightbearing CT." Foot & Ankle Orthopaedics 7, no. 1 (January 2022): 2473011421S0030. http://dx.doi.org/10.1177/2473011421s00304.

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Category: Midfoot/Forefoot Introduction/Purpose: The etiology of hallux rigidus (HR) is not well understood and Its association with first-ray hypermobility, hallux valgus and metatarsus primus elevatus (MPE) has not been clearly proven. MPE, elevated first metatarsal has been a topic of debate since Lambrinudi`s first description. Recent studies have supported MPE in hallux rigidus by measuring with various methods on wightbearing lateral radiographs, but there are limitations of conventional radiography due to variation in X- ray projection and superimposed metatarsals regardless of the meth

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9

Kim, Hyungsuk, Syungkyun Choi, Soo Bin Park, and Hyun Seok Song. "Evaluation of acromial spur using ultrasonography." Clinics in Shoulder and Elbow 24, no. 1 (March 1, 2021): 15–20. http://dx.doi.org/10.5397/cise.2020.00332.

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Background: The presence of an acromial spur implies a rotator cuff disorder due to impingement between the acromial spur and the rotator cuff. The purpose of the study was to observe acromial spurs using ultrasonography and to compare measurements between plain radiographs and sonograms.Methods: We retrospectively enrolled 51 consecutive patients with acromial spurs, which were interpreted on preoperative plain radiographs (supraspinatus outlet view and 30° caudal tilt) and preoperative sonograms. The ultrasonography transducer was held vertically and continuously moved laterally, which corre

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10

Kaniklides, C., B. Sahlstedt, T. Lönnerholm, and A. Moberg. "Conventional Radiography and Bone Scintigraphy in the Prognostic Evaluation of Legg-Calvé-Perthes Disease." Acta Radiologica 37, no. 3P2 (May 1996): 561–66. http://dx.doi.org/10.1177/02841851960373p227.

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Purpose: The role of conventional radiography and bone scintigraphy in predicting the outcome of Legg-Calvé-Perthes disease was investigated. Material and Methods: The 75 children reviewed (86 hips) were followed up to the primary healing of the disease. The findings at conventional radiography (obtained at presentation, at the time of maximum capital head involvement, and at the end of the healing process of the disease) were compared to early bone scintigraphy features. Results and Conclusion: Bone scintigraphy provided more accurate information concerning the extent of the necrotic process

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Дисертації з теми "Head Radiography"

1

Hashim, Hanizah Aman. "The reproducibility of Johnston's cephalometric superimposition method in analyzing activator treatment changes." Thesis, The University of Sydney, 1990. http://hdl.handle.net/2123/4932.

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2

Gold, Brenda Joan. "A roentgen stereophotogrammetric analysis system for the measurement of subsidence of the femoral components in total hip arthroplasty." Thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/26276.

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3

McKee, Ian William. "The accuracy of panoramic radiography in the assessment of mesiodistal tooth angulations at varying horizontal and vertical head positions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60468.pdf.

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4

Negreiros, Paulo Eduardo. "O efeito sobre as medidas cefalometricas devido à alteração da posição natural da cabeça (PNC) em telerradiografias tomadas em norma lateral." [s.n.], 2000. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290216.

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Orientador: Vânia Célia Vieira de Siqueira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-17T06:12:45Z (GMT). No. of bitstreams: 1 Negreiros_PauloEduardo_M.pdf: 4232544 bytes, checksum: e8434e2474207fec3d2143a9d7c9541f (MD5) Previous issue date: 2000<br>Resumo: Em 1884, os craniologistas adotaram o plano horizontal de Frankfurt, determinado pelos pontos Pório esquerdo, Pório direito e pelo ponto Infra-orbitário esquerdo, como sendo a referência que define a posição da cabeça enquanto paralela ao sol

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5

Lagacé, Pierre-yves. "Développement et validation d’une méthode d’évaluation destranslations glénohumérales 3d sous EOS(mc)." Thesis, Paris, ENSAM, 2012. http://www.theses.fr/2012ENAM0059/document.

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L'analyse morpho-fonctionnelle précise de l'épaule, notamment au niveau de l'articulation glénohumérale (GH), permettrait d'améliorer notre compréhension des dysfonctions de l'épaule associées aux ruptures de la coiffe des rotateurs. Cependant, des difficultés techniques compliquent l'analyse de la morphologie et du mouvement de l'épaule dans un contexte clinique. Dans le cadre de la présente thèse, une méthode d'analyse 3D des translations GH basée sur l'acquisition de séquences de radiographies biplanes sous EOS™ a été développée. Une étude pilote sur 10 sujets sains a d'abord permis de véri

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6

Garba, Idris. "Computer tomography dose index for head CT in northern Nigeria." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/1551.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Diagnostic Radiography, Department of Nursing and Radiography in the Faculty of Health Wellness Sciences at Cape Peninsula University of Technology 2014<br>Aim: The aim of this study was to record the values of CTDIw and DLP displayed on the Computed Tomography (CT) scanner monitors of patients undergoing CT examinations of the head as Diagnostic Reference Levels (DRL) for dose optimisation in Northern Nigeria. Background: A brain CT scan is the most common CT examination performed, and this modality is rec

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7

Berner, Dagmar. "Der Einfluss der Kopf-Hals-Haltung auf die röntgenologische Darstellung der Hals- und Brustwirbelsäule des Pferdes." Doctoral thesis, Universitätsbibliothek Leipzig, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-114412.

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Pathologische Veränderungen der Wirbelsäule können zur Verkleinerung der Foramina intervertebralia der Halswirbelsäule sowie zur Verkürzung der Abstände zwischen den Dornfortsätzen der Brustwirbelsäule führen. Eine Veränderung der Kopf-Hals-Haltung kann ebenfalls die Dimension der Foramina intervertebralia sowie die Abstände zwischen den Dornfortsätzen beeinflussen. Die Bestimmung des Einflusses der Kopf-Hals-Haltung auf die genannten Parameter bei der radiologischen Darstellung der Wirbelsäule war deshalb das Ziel der vorliegenden Arbeit. In drei unterschiedlichen Kopf-Hals-Haltungen wurde di

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8

Lucena, Markman Renata 1990. "Avaliação da prevalência de ateromas calcificados da carótida em radiografias panorâmicas de pacientes com câncer de cabeça e pescoço submetidos à radioterapia." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287845.

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Orientador: Marcio Ajudarte Lopes<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-28T00:44:23Z (GMT). No. of bitstreams: 1 LucenaMarkman_Renata_M.pdf: 960885 bytes, checksum: 639bd2b482bba1e49ed3111595f8f4da (MD5) Previous issue date: 2015<br>Resumo: Estudos sugerem que o tratamento radioterápico em região de cabeça e pescoço possa ser considerado um importante fator desencadeador da formação de calcificações em carótida. No entanto, evidências científicas para tal comprovação são limitadas. Portanto

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9

Miguel, Omar Ferreira. "Avaliação radiográfica comparativa de quadris dolorosos e sem dor em indivíduos adultos." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-04112010-151612/.

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O objetivo do estudo foi correlacionar a presença de alterações radiográficas em quadris de pacientes portadores de dor no quadril a um grupo de pacientes sem dor no quadril. Foram avaliados 122 pacientes com dor no quadril, e 100 pacientes sem dor no quadril. Todos com idade entre 20 e 50 anos. Os pacientes foram submetidos a exames radiográficos, nas incidências AP de pelve ortostático, falso perfil de Lequesne, Dunn, Dunn 45° e Ducroquet. Os parâmetros avaliados foram inclinação e versão acetabular, ângulo CE de Wiberg, espaço articular superolateral, ângulo , ângulo de Lequesne, ângulo VC

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10

Harrison, David A. "Head Positioning And Its Relation To Radiographic Cephalometric Projection Errors." Thesis, Faculty of Dentistry, 1995. http://hdl.handle.net/2123/5053.

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Книги з теми "Head Radiography"

1

K, Mukherji Suresh, Castelijns Jonas A, and Biswal B, eds. Modern head and neck imaging. Berlin: Springer, 2000.

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2

1945-, Mödder Ulrich, ed. Head and neck imaging. Stuttgart: Thieme, 2008.

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3

Alexander, Jacobson, ed. Radiographic cephalometry: From basics to videoimaging. Chicago: Quintessence Pub. Co., 1995.

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4

K, Mukherji Suresh, Castelijns Jonas A, and Biswal B, eds. Modern head and neck imaging. Berlin: Springer, 1999.

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5

1926-, Hanafee William N., ed. Head and neck radiology. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2011.

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6

1935-, Gonzalez Carlos F., Grossman Charles B. 1938-, and Masdeu Joseph C, eds. Head and spine imaging. New York: Wiley, 1985.

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7

Harnsberger, H. Ric. Head and neck imaging. Chicago: Year Book Medical Publishers, 1990.

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8

M, Som Peter, and Bergeron R. Thomas 1931-, eds. Head and neck imaging. 2nd ed. St. Louis: Mosby Year Book, 1991.

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9

Vogl, Thomas J. MRI of the head and neck: Functional anatomy--clinical findings--pathology--imaging. Berlin: Springer-Verlag, 1992.

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10

M, Yousem David, ed. Head & neck imaging: Case review. 2nd ed. Philadelphia, Pa: Mosby, 2006.

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Частини книг з теми "Head Radiography"

1

Pettersson, Holger, and Hans Ringertz. "PH3 Acetabular coverage of the femoral head/age [radiography]." In Measurements in Pediatric Radiology, 46–47. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1844-2_22.

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2

Pettersson, Holger, and Hans Ringertz. "PH6 Appearance and size of femoral head/age [radiography]." In Measurements in Pediatric Radiology, 54–55. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1844-2_25.

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3

Tamaki, M., K. Ohkubo, Y. Ikeda, and G. Matsumoto. "Analysis of Two Phase Counter Flow in Heat Pipe By Neutron Radiography." In Neutron Radiography, 609–16. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3871-7_75.

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4

McCulloch, Jock, and Pavla Miller. "Technologies, Care and Repatriations: 1926–1966." In Mining Gold and Manufacturing Ignorance, 345–69. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8327-6_13.

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AbstractUntil 1950, there was no effective chemotherapy for tuberculosis. Treatment consisted of an enhanced diet, isolation, and skilled nursing—methods which were expensive and not greatly effective. The centrepiece of the mines’ management of tuberculosis was repatriation of sick miners, without notification of local authorities, isolation of those with infective disease, or education of those around them on how to avoid infection. This approach enhanced the mines’ profitability but confounded every principle of public health. In the 1950s, the development of mass miniature radiography and the discovery of new drugs for the treatment of tuberculosis radically changed the available technologies of care. In discussing international standards of compensation for occupational lung disease, ILO held that the worker’s history of dust exposure, a clinical examination and radiographic findings had to be considered. The Chamber of Mines used mass miniature radiography for a different purpose: those with dusted lungs were identified at entry medicals and then repatriated without compensation. Where chemotherapy was provided to sick miners, the treatment rarely lasted more than a month; as a result, most patients developed drug resistant tuberculosis. Today, South Africa and its labour-sending regions have one of the world’s highest rates of multi-drug-resistant TB.

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5

Loh, John P. "Upper Digestive Tract Radiographic Imaging." In Encyclopedia of Otolaryngology, Head and Neck Surgery, 2952–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-23499-6_508.

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6

Gorsi, Ujjwal, and Chirag Kamal Ahuja. "Basics of CT Scan Head and Trauma Radiographs." In Acute Trauma Care in Developing Countries, 152–58. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003291619-32.

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Bahk, Yong-Whee. "Dual-Head Pinhole Scan, Pinhole SPECT, and Gamma Correction Scan." In Combined Scintigraphic and Radiographic Diagnosis of Bone and Joint Diseases, 13–27. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2759-8_2.

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Bahk, Yong-Whee. "Dual-Head Planar Pinhole Scintigraphy and Pinhole SPECT of Bone." In Combined Scintigraphic and Radiographic Diagnosis of Bone and Joint Diseases, 14–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25144-3_2.

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Nové-Josserand, L., and M. Basso. "Atraumatic Avascular Necrosis of the Humeral Head: Clinical and Radiographic Classification." In Shoulder Arthroplasty, 243–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58365-0_26.

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Tsai, Chen-Han, and Yu-Shao Peng. "Multi-task Lung Nodule Detection in Chest Radiographs with a Dual Head Network." In Lecture Notes in Computer Science, 707–17. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-16431-6_67.

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Тези доповідей конференцій з теми "Head Radiography"

1

Saha, Santanu. "Application of Ultrasonic Phased Array Technique for a Boiler Drum Meeting the Requirements of ASME Sec I." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65963.

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Automated or semi-automated ultrasonic examination techniques particularly Time of Flight Diffraction (ToFD) and Phased Arrays (PA) are increasingly being used to replace conventional radiography of various categories of welds in pressure vessels. This is a most important issue when the vessel thickness is quite high with respect to the penetration range of common Ir-192 Radiation source. Although there are high energy alternatives like high energy X ray generators typically Betatrons and Co-60 Radiation source, but use of such high energy pose the high risk of radiation exposures and legal co

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2

Golde, Jonas, Joseph Morgenstern, Peng Liu, Steffen Ossmann, Lars Kirsten, Svea Steuer, Stefanie Speidel, Edmund Koch, Sebastian Bodenstedt, and Marcus Neudert. "Data-informed imaging: how radiography and shape models support endoscopic OCT imaging of the middle ear." In Imaging, Therapeutics, and Advanced Technology in Head and Neck Surgery and Otolaryngology 2023, edited by Brian J. F. Wong and Justus F. Ilgner. SPIE, 2023. http://dx.doi.org/10.1117/12.2650730.

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3

Avianty, Ditha Nurcahya, I. Gede Pasek Suta Wijaya, Fitri Bimantoro, Rina Lestari, and Triana Dyah Cahyawati. "COVID-19 Prediction Based on DWT and Moment Invariant Features of Radiography Image Using the Artificial Neural Network Classifier." In 2nd Global Health and Innovation in conjunction with 6th ORL Head and Neck Oncology Conference (ORLHN 2021). Paris, France: Atlantis Press, 2021. http://dx.doi.org/10.2991/ahsr.k.220206.030.

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4

Simpson, R. A., G. J. Williams, G. G. Scott, D. A. Mariscal, and T. Ma. "Development of a proton radiography source using the world’s most energetic short pulse laser at the National Ignition Facility." In Digital Holography and Three-Dimensional Imaging. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/dh.2023.htu3d.2.

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Proton radiography is an innovative approach in high-energy-density (HED) science to measure and diagnose density variations as well as magnetic and electric fields in plasmas. This work details the development of a proton radiography platform on the National Ignition Facility using the Advanced Radiographic Capability laser (NIF-ARC).

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5

"Visualization and Measurement of Boiling Flow Behaviors in Parallel Mini-channel Heat Exchanger by Neutron Radiography." In Neutron Radiography. Materials Research Forum LLC, 2020. http://dx.doi.org/10.21741/9781644900574-43.

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6

Toomey, Daniel E., Matthew J. Mason, Warren N. Hardy, King H. Yang, James M. Kopacz, and Chris Van Ee. "Exploring the Role of Lateral Bending Postures and Asymmetric Loading on Cervical Spine Compression Responses." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12911.

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In an effort to expand the understanding of head and neck injury dynamics in rollover type crashes, this investigation explores the influence of lateral bending postures and asymmetric compressive loads on the head and cervical spine. Drop testing of five male cadaver head-neck complexes was conducted with either an initial lateral bending posture onto a horizontal impact surface or with an initial neutral posture onto an obliquely oriented surface resulting in lateral bending. Five specimens were dropped from 0.45 and 0.53 m, with resulting impact speeds ranging from 2.9 to 3.25 m/s. Radiogra

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7

Serranheira, Florentino, Kelly Fernandes, and Cláudia Sá Dos Reis. "Activity simulation in Radiology: Chest X-Ray in bed-ridden patients." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002623.

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Work-related musculoskeletal disorders (WRMSDs) symptoms are frequent in healthcare workers. In Radiology Departments, demanding postures assumed by radiographers frequently occurred. Chest plain radiography to bed-ridden patients is one of the most demanding ones. To evaluate postural strain in radiographers’, professional activity was simulated during bedside chest plain radiography performance.Bed-ridden chest X-ray examinations are generally performed by two radiographers. The simulations scenarios were recorded using photogrammetry methods, assessing postural variations of the main body s

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8

Bando, Yamato, Akifumi Yamaji, and Takuya Yamashita. "MPS Method Simulation for Estimating Fuel Debris Distributions Under the Damaged Reactor Pressure Vessel of 1F Unit-2." In ASME 2023 International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/icem2023-112652.

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Abstract The internal investigations of TEPCO’s Fukushima Daiichi Nuclear Power Station (1F) Unit 2 indicate multiple breaches in the lower head of the reactor pressure vessel (RPV), which led to discharges of molten core materials. In addition, a large enough breach(es) is expected near the vessel periphery, which allowed relocation of a fuel assembly upper tie plate to the pedestal floor. However, the muon radiography indicates that massive fuel debris are still retained within the RPV lower head. This study aims to provide a comprehensive explanation of such observations by considering inte

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9

Kovačić, Borut, Lennart Andrej Zore, and Klemen Stražar. "Femoroacetabular Impingement." In Socratic Lectures 8. University of Lubljana Press, 2023. http://dx.doi.org/10.55295/psl.2023.i8.

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Femoroacetabular impingement (FAI) is an anatomical hip condition caused by malformations on femoral head and acetabular rim resulting in abnormal contact across the joint. FAI can cause the labral, cartilaginous, and tissue damage that leads to early osteoarthritis. FAI can be divided into three groups: cam (bump on femoral head- neck junction), pincer (acetabular over coverage), or mixed (most common) by the characteristic morphological changes of the bony structures. The exact ethology of FAI is still unclear, mostly considered as idiopathic. Cam lesions demonstrate a near 3:1 male predomin

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10

Li, Zheng Yuan, Sungsoo Ryo, Hyuk Jin Lee, and Ja Choon Koo. "A Real Time Cost Effective Geometry Calibration Method for Isocenter Tracking of a Rotating Gantry Using Optical Vision Sensors." In ASME 2016 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/isps2016-9559.

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In this paper, a real time and cost effective deformation sensor system is proposed to verify isocenter sphere of a dual-head radiation imaging device within its driving range. For the effectiveness in sensing, installation point was decided according to the finite element deformation analysis of the device model. The proposed sensor was implemented to the device, and then the result was evaluated by comparison with an optical tracker position data. In this method, attachable optical system were designed and implemented to the dedicated radiography system. From the attachment test relative def

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Звіти організацій з теми "Head Radiography"

1

Maddox, B., R. Tommasini, B. Remington, M. Key, and R. Town. Devloping High Energy Radiography for HED Experiments on NIF and Omega-EP. Office of Scientific and Technical Information (OSTI), February 2008. http://dx.doi.org/10.2172/926064.

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2

Sain, J., P. Young, and S. MacLaren. Xradia Micro XCT Radiographic Metrology of NIF HED Radiation Transport Ta2O5 Foam Targets. Office of Scientific and Technical Information (OSTI), August 2009. http://dx.doi.org/10.2172/967286.

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3

Swankie, Martin, and Andrews. L51641 Evaluate NDT Methods for Welds in Service. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 1990. http://dx.doi.org/10.55274/r0010626.

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The inspection of welds made onto in-service pipelines, which are made primarily for attaching branch connections and repair sleeves, has been the subject of much concern in recent years. The difficulties associated with the inspection of these welds have long been recognized and, historically, the amount of inspection given to such welds has been small. The inspection of welds joining various appurtenances to pipelines is hampered for a number of reasons. The joint geometries can vary considerably, but none of them are particularly suited to detailed inspection. Surface techniques, such as ma

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