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Artykuły w czasopismach na temat „Head Radiography”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 29 lipca 2024

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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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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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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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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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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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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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11

Achuka, J. A., M. A. Aweda, and M. R. Usikalu. "Cancer risks from head radiography procedures." IOP Conference Series: Earth and Environmental Science 173 (July 2018): 012038. http://dx.doi.org/10.1088/1755-1315/173/1/012038.

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Carvalho, Kepler, Martim d. Pinto, Victoria Vivtcharenko, Taylor Den Hartog, Amanda Ehret, Kevin N. Dibbern, John Lee, John E. Femino, Matthieu Lalevée, and Cesar de Cesar Netto. "Comparison Between Hallux Rigidus Parameters Assessed by Conventional Radiographs and Weight- Bearing CT." Foot & Ankle Orthopaedics 7, no. 4 (October 2022): 2473011421S0060. http://dx.doi.org/10.1177/2473011421s00608.

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Category: Midfoot/Forefoot; Other 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. Recent studies have supported MPE in HR by measuring on weightbearing radiographs (WBR), but there are limitations of WBR due to variation in X-ray projection and superimposed metatarsals. WBCT represent a reliable tool for radiographic analysis of the first ray and can be important for the study pathologies such as HR, which involve several anatomical

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13

Anda, S., T. Terjesen, S. Sundalsfoll, and Å. Tangerud. "Femoral Anteversion Measured by Ultrasonography and Radiography." Acta Radiologica 29, no. 6 (November 1988): 695–99. http://dx.doi.org/10.1177/028418518802900617.

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Radiographic and real-time ultrasound measurements of femoral anteversion were compared in an anatomic study of 20 dried adult femurs. The real anteversion (AV) angle was determined by biplanar radiography. In four ultrasound measurements, the linear transducer was kept either horizontal or tilted. The measuring lines were either the anterior tangent of the femoral head—greater trochanter or the anterior tangent of the femoral neck. With the tilted transducer, the correlation between the head-trochanter AV angle and the real AV angle was high (r=0.9452), and slightly less when the anterior nec

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14

Zhao, Zhenhua, Yiming Lyu, Tim Leschinger, Kilian Wegmann, Lars Peter Müller, and Michael Hackl. "Imaging diagnosis of radial head fractures—evaluation of plain radiography vs. CT scans." Obere Extremität 16, no. 3 (May 3, 2021): 198–202. http://dx.doi.org/10.1007/s11678-021-00642-z.

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Abstract Background Radial head fractures represent a common pathology that can cause permanent disability, especially if not treated correctly. Plain radiographs as well as computed tomography (CT) scans represent important diagnostic measures. The specific differences between these two imaging modalities with regard to diagnosis of radial head fractures have not been evaluated to date. Objective This study aimed to compare estimations of fracture classification, percentage of articular fracture involvement, and fragment sizes through plain radiography with CT scan evaluations. Methods A tota

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Heidari, Faeze, Maedeh Saiedi, and Salman Jafari. "Estimation of Entrance Surface Dose and Dose Area Product in Most Frequently Used Radiography Examinations in Hamadan." Avicenna journal of Care and Health in Operating Room 1, no. 1 (July 17, 2023): 11–15. http://dx.doi.org/10.34172/ajchor.2.

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Background: Radiation dose in C-arm procedure and radiography may lead to late complications such as cancer. Entrance surface dose (ESD) and dose area product (DAP) are two practical indicators for patient dose estimation. This study aimed to calculate ESD and DAP based on exposure parameters for the most common radiographic examinations in educational hospitals of Hamadan. Methods: This work was conducted in three radiography centers in Hamadan in 2020. ESD was determined using a standard equation. Radiation parameters, including maximum kilovolt and milliampere-seconds (mAs), were obtained f

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Yanagisawa, Sho, Takehiko Takagi, Tsuyoshi Murase, Yuka Kobayashi, and Masahiko Watanabe. "Open Wedge Osteotomy with Ulnar Shortening for Madelung Deformity Using a Computer-Generated Template." Journal of Hand Surgery (Asian-Pacific Volume) 22, no. 04 (November 9, 2017): 538–43. http://dx.doi.org/10.1142/s021881041772042x.

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A variety of osteotomies have been reported to correct Madelung deformity using plain radiographs. However, evaluation of the deformity using 2-dimensional plain radiography is difficult because of its complex 3-dimensional nature. Therefore, we performed corrective osteotomy using recently developed 3D simulation technology on an adult woman with Madelung deformity, and achieved an excellent outcome. In this study, we calculated the amount of parallel displacement as well as the rotational angle for more precise correction, and performed open wedge osteotomy. Furthermore, we performed concurr

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Hochbergs, P., G. Eckerwall, N. Egund, K. Jonsson, and H. Wingstrand. "Femoral Head Shape in Legg-Calvé-Perthes Disease." Acta Radiologica 35, no. 6 (November 1994): 545–48. http://dx.doi.org/10.1177/028418519403500607.

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Twenty-three children with Legg-Calvé-Perthes disease were examined to determine the femoral head shape. We evaluated and correlated conventional radiography, arthrography and MR imaging. In the a.p. view, measurements were obtained from the center of the femoral head along the bony or cartilaginous outline at 30° intervals. Maximum flattening of the cartilaginous outline appeared laterally, 60° from the center of the baseline of the epiphyseal index and the caput index. Maximum flattening of the bony outline was found at 75°. Arthrography and MR imaging gave the same information about the sha

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Kim, Kyuseok, and Eun-Ha Jung. "Evaluation for Advanced Detection Method of Tooth, Head, and Neck Structures using LowFrequency Components." Korean Journal of Clinical Dental Hygiene 12, no. 2 (June 30, 2024): 99–106. http://dx.doi.org/10.12972/kjcdh.20240010.

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Objective: In dental radiography, information distorted by scatter radiation and superimposition is reflected. There is a disadvantage that the discrimination is low, especially in the case of lowcontrast materials. To overcome this problem, a low-frequency component based contrast enhancement algorithm for radiographic images was established and implemented effectively. We assessed a sophisticated technique for identifying tooth, head, and neck structures using low-frequency components for dental professions. Methods: Based on a low-frequency component calculation using the Fourier transform

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José Pereira, Luciano, Leonardo Rigoldi Bonjardim, Paula Midori Castelo, Francisco Haiter Neto, and Maria Beatriz Duarte Gavião. "Evaluation of TMJ by conventional transcranial radiography and indirect digitized images to determine condylar position in primary dentition." Journal of Clinical Pediatric Dentistry 28, no. 3 (April 1, 2004): 233–37. http://dx.doi.org/10.17796/jcpd.28.3.0427191377v71765.

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The aim of this study was to evaluate temporomandibular joint radiographs of children in primary dentition, obtained by conventional transcranial radiography, indirect digitization, digitized images using 3D and brightness/contrast tools. Condyle position was also determined measuring anterior, superior and posterior joint space. The X-Ray machine GE-1000 and the head positioner Accurad 200 were used. Radiographs were digitized using a scanner with transparency and registered in Adobe Photoshop 5.0. Images were evaluated by four examiners as follows: 0 – unacceptably quality; 1 – poorly diagno

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Hysell, Matthewq, Jennifer Finch, and David McClendon. "The Prisoner Who Cried Wolf, and Then Swallowed a Sprinkler Head." Clinical Practice and Cases in Emergency Medicine 4, no. 3 (May 18, 2020): 283–84. http://dx.doi.org/10.5811/cpcem.2020.4.46449.

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Case Presentation: A 37-year-old man presented from jail reporting foreign body ingestion of a sprinkler head. While initial radiography did not reveal the foreign body, subsequent imaging with computed tomography demonstrated the sprinkler head. When confronted with this discrepancy the patient admitted to having the sprinkler head in his possession and choosing to swallow it after his initial radiography. Discussion: This case demonstrates the importance of maintaining a high threshold for real illness in situations where there is suspected malingering, a situation not infrequently encounter

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Roopashri, G., MR Vaishali, Maria Priscilla David, Muqeet Baig, and Uma Shankar. "Evaluation of Elongated Styloid Process on Digital Panoramic Radiographs." Journal of Contemporary Dental Practice 13, no. 5 (2012): 618–22. http://dx.doi.org/10.5005/jp-journals-10024-1197.

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ABSTRACT Background and objective The elongated styloid process may produce characteristic head and neck pain syndromes, commonly known as Eagle's syndrome. An awareness of this syndrome is important to all health practitioners involved in the diagnosis and treatment of neck and head pain. It has been estimated that 2 to 28% of the general adult population has radiographic appearance of elongated styloid process. The objective of the study was to assess the elongation of styloid process on digital panoramic radiographs and to evaluate the prevalence of elongation according to age, sex and type

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Pessoa, Lourdes M. B., Marcello Roza, Anderson Farias, Pedro Henrique de Jesus, Rita de Cassia Campbell, and Mariângela Pereira de Pinho. "Extraction of Unerupted Maxillary Canine Teeth in a Maned Wolf (Chrysocyon brachyurus)." Case Reports in Veterinary Medicine 2016 (2016): 1–3. http://dx.doi.org/10.1155/2016/2827647.

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The purpose of this case report is to describe the diagnosis and treatment of unerupted canine teeth in a maned wolf. After physical examination, complete blood count, and serum biochemical profile, the animal underwent general anesthesia and head radiography was performed to confirm the diagnosis. The treatment consisted of the extraction of both maxillary canine teeth and clinical and radiographic follow-up of the right mandibular canine tooth.

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Grillon, Marlene, and Andy Wai Kan Yeung. "Content Analysis of YouTube Videos That Demonstrate Periapical Radiography." Applied Sciences 12, no. 19 (September 24, 2022): 9602. http://dx.doi.org/10.3390/app12199602.

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No prior study has evaluated the content of YouTube videos that demonstrated how to take periapical radiographs, one of the commonest radiographic examinations in dentistry. This study provided a content analysis on these YouTube videos. Three separate searches were performed with the following search strings: (1) posterior periapical, (2) molar periapical, and (3) anterior periapical. The videos resulting from the searches were sorted by view count, and their related videos (as listed by YouTube on the right of the screen) were also screened. Exclusion criteria included irrelevance to periapi

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Kaniklides, Costa, Torsten Lönnerholm, Anders Moberg, and Bo Sahlstedt. "Legg-Calvé-Perthes Disease." Acta Radiologica 36, no. 4-6 (July 1995): 434–39. http://dx.doi.org/10.1177/028418519503600420.

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In a prospective study of 22 patients (24 hips) with Legg-Calvé-Perthes disease (LCPD) the findings at conventional radiography, arthrography, bone scintigraphy and MR imaging, obtained at the time of diagnosis, were compared. MR was superior to conventional radiography and bone scintigraphy in the detection of the extent of involvement in the femoral head. Arthrography was as good as or better than MR imaging in determining the shape of the articular surfaces and the occurrence of lateral subluxation. Conventional radiography was less sensitive in identifying the degree of lateral subluxation

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Horsfield, D., and C. F. Siegerist. "Radiography of the radial head: An alternative view." Radiography 11, no. 3 (August 2005): 201–6. http://dx.doi.org/10.1016/j.radi.2004.11.003.

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Nazeer, Muhammad Rizwan, Farhan Raza Khan, and Munawwar Rahman. "In vitro assessment of the accuracy of extraoral periapical radiography in root length determination." European Journal of Dentistry 10, no. 01 (January 2016): 034–39. http://dx.doi.org/10.4103/1305-7456.175681.

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ABSTRACT Objective: To determine the accuracy of extra oral periapical radiography in obtaining root length by comparing it with the radiographs obtained from standard intraoral approach and extended distance intraoral approach. Materials and Methods: It was an in vitro, comparative study conducted at the dental clinics of Aga Khan University Hospital. ERC exemption was obtained for this work, ref number 3407Sur-ERC-14. We included premolars and molars of a standard phantom head mounted with metal and radiopaque teeth. Radiation was exposed using three radiographic approaches: Standard intraor

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Kindt, Mikael, Maria L. Jönsson, Trine Torfing, Sebastian Strøm Rönnquist, Bjarke Viberg, Søren Overgaard, and Cecilia Rogmark. "Assessing osteonecrosis of the femoral head after internal fixation of femoral neck fractures in young patients with fixation implants in situ: the value of MARS MRI in relation to conventional radiography and patient-reported outcomes." Acta Orthopaedica 94 (March 31, 2023): 135–40. http://dx.doi.org/10.2340/17453674.2023.11658.

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Background and purpose: Little is known on the use of metal artifact reduction sequence (MARS) MRI to diagnose osteonecrosis of the femoral head (ONFH) after fixation of femoral neck fractures (FNF) with conventional metal implants present. We compared MARS MRI with radiography in diagnosing ONFH. Secondarily, we determined whether signs of ONFH on MARS MRI correlate with patient-reported outcomes (PROs) via Oxford Hip Score (OHS) and pain (VAS).Patients and methods: 30 adults under 60 years treated with internal fixation after FNF were prospectively included (2015–2018) at 2 hospitals. They w

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Sparrow, T., J. Meswania, G. Blunn, and N. Fitzpatrick. "Shoulder joint hemiarthroplasty for treatment of a severe osteochondritis dissecans lesion in a dog." Veterinary and Comparative Orthopaedics and Traumatology 27, no. 03 (2014): 243–48. http://dx.doi.org/10.3415/vcot-13-07-0087.

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SummaryIntroduction: Partial resurfacing of the humeral head has been reported in humans to treat humeral osteochondritis dissecans. The aim is to describe a custom-made humeral resurfacing prosthesis for treatment of severe humeral head osteochondritis dissecans in a dog.Case report: A seven-month-old female entire St. Bernard dog was presented with a 10 week history of severe left thoracic limb lameness. Radiography, arthroscopy and magnetic resonance imaging confirmed an extensive osteochondritis dissecans lesion affecting the caudal, medial and central regions of the humeral head. A prosth

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Kim, Hyung-Suh, Kyung-Wook Nha, and Jae-Hoo Lee. "Osteonecrosis of Humeral Head after Arthroscopic Capsular Release for Postoperative Shoulder Joint Stiffness: A Case Report." Applied Sciences 14, no. 3 (February 2, 2024): 1252. http://dx.doi.org/10.3390/app14031252.

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An arthroscopic capsular release (ACR) is used for persistent shoulder stiffness after an index surgery. No cases of post-ACR humeral head osteonecrosis have been reported to date. A 56-year-old male patient underwent open reduction and internal fixation using a hook plate for acromioclavicular joint dislocation. Despite hardware removal, the patient presented with unresolved shoulder pain and range-of-motion (ROM) limitations. He had a history of hypertension, chronic hepatitis B infection, and alcohol consumption. His preoperative ROM was 90° for active forward flexion, 90° for abduction, 40

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Carrière, Benoit, Karine Clément, and Jocelyn Gravel. "Variation in the use of skull radiographs by emergency physicians in young children with minor head trauma." CJEM 16, no. 04 (July 2014): 281–87. http://dx.doi.org/10.2310/8000.2013.131081.

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ABSTRACTBackground:Minor head trauma in young children is a major cause of emergency department visits. Conflicting guidelines exist regarding radiologic evaluation in such cases.Objective:To determine the practice pattern among Canadian emergency physicians for ordering skull radiographs in young children suffering from minor head trauma. Physicians were also surveyed on their willingness to use a clinical decision rule in such cases.Design/Methods:A self-administered email questionnaire was sent to all members of the Pediatric Emergency Research Canada (PERC) group. It consisted of clinical

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Choi, Jun Young. "Analysis of Congenital Postaxial Polydactyly of the Foot Using Magnetic Resonance Imagings." Foot & Ankle Orthopaedics 4, no. 4 (October 1, 2019): 2473011419S0014. http://dx.doi.org/10.1177/2473011419s00142.

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Category: Midfoot/Forefoot Introduction/Purpose: We aimed to evaluate the magnetic resonance imaging (MRI) findings of congenital postaxial polydactyly of the foot. Methods: Three-hundred and forty-seven feet of 288 patients who underwent congenital postaxial polydactyly or polysyndactyly correction were divided into five subtypes according to the radiographic shapes of deformity origins (widened metatarsal head, bifid, fused duplicated, incompletely duplicated, or completely duplicated). MRIs were assessed to determine whether they unrevealed areas were fused or separated. MRI was also used t

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Sercarz, Joel, E. Carmack Holmes, David Ellison, and Thomas C. Calcaterra. "Isolated Pulmonary Nodules in Head and Neck Cancer Patients." Annals of Otology, Rhinology & Laryngology 98, no. 2 (February 1989): 113–18. http://dx.doi.org/10.1177/000348948909800206.

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Not infrequently, a patient with newly diagnosed head and neck cancer is noted on preoperative chest radiography to have a solitary pulmonary nodule. It is initially unclear whether the pulmonary nodule is a benign lesion or a metastatic or primary lung malignancy. Considerable controversy exists regarding the evaluation of such patients as well as the treatment, assuming that the pulmonary lesion is malignant. We have reviewed the UCLA experience with patients who had head and neck cancers and pulmonary cancers no more than 5 years apart, and reviewed the literature on early stage lung cancer

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Masashi, Shinohara, Yamaguchi Satoshi, and Ono Yoshimasa. "Anatomical Risk Factors Associated with Rapid Progression of Hallux Valgus Deformity." Foot & Ankle Orthopaedics 5, no. 4 (October 1, 2020): 2473011420S0034. http://dx.doi.org/10.1177/2473011420s00348.

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Category: Bunion; Other Introduction/Purpose: Hallux valgus (HV) deformity generally progresses gradually over the long term. However, the deformity progresses rapidly in some patients. Information on the future progression of the deformity helps treatment decision-making of both surgeons and patients. However, few studies have reported the natural progression of HV deformity. The purposes of this study were to clarify 1) the incidence and 2) anatomical risk factors of the rapid progression of HV deformity. Methods: Patients who visited the foot and ankle clinic of our hospital between 2013 an

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Angmorterh, Seth Kwadjo, Andrew England, Sonia Aboagye, Eric Kwasi Ofori, and Peter Hogg. "An Experimental Intervention Study Assessing the Impact of a Thin Silicone Gel Surface Overlay on Interface Pressure." Radiology Research and Practice 2020 (November 24, 2020): 1–9. http://dx.doi.org/10.1155/2020/3246531.

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Introduction. The incidence of pressure ulcers (PUs) presents a substantial threat to patients, especially geriatric patients, those with restricted mobility, and patients suffering from chronic diseases such as cancer. PUs creates a huge financial burden on healthcare authorities and patients, costing billions to treat and manage. Radiography and radiotherapy patients may experience medical device related (MDR) PUs and studies have shown that high interface pressure (IP) values exist for the head when placed on an X-ray table without a mattress. These high IP values pose a PU risk to patients

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Hall, F. M. "Skull radiography in the evaluation of acute head trauma." Radiology 183, no. 2 (May 1992): 581. http://dx.doi.org/10.1148/radiology.183.2.1561374.

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Gbaanador, G. B. M., A. H. Fruin, and C. Taylon. "Role of routine emergency cervical radiography in head trauma." Plastic and Reconstructive Surgery 80, no. 2 (August 1987): 331. http://dx.doi.org/10.1097/00006534-198708000-00084.

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Gbaanador, Gbaranen B. M., Alan H. Fruin, and Charles Taylon. "Role of routine emergency cervical radiography in head trauma." American Journal of Surgery 152, no. 6 (December 1986): 643–48. http://dx.doi.org/10.1016/0002-9610(86)90441-1.

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Thanni, LO. "Evaluation of guidelines for skull radiography in head injury." Nigerian Postgraduate Medical Journal 10, no. 4 (2003): 231. http://dx.doi.org/10.4103/1117-1936.174217.

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Roberts, William M. "Role of routine emergency cervical radiography in head trauma." Journal of Emergency Medicine 5, no. 5 (September 1987): 435. http://dx.doi.org/10.1016/0736-4679(87)90159-4.

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Qiang, Yang, Zhao Yanhong, Peng Jiang, Lu Shibi, Guo Quanyi, Ma Xinlong, Xia Qun, et al. "Xenoimplantation of an Extracellular-Matrix-Derived, Biphasic, Cell-Scaffold Construct for Repairing a Large Femoral-Head High-Load-Bearing Osteochondral Defect in a Canine Model." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/127084.

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This study was aimed to develop an ECM-derived biphasic scaffold and to investigate its regeneration potential loaded with BM-MSCs in repair of large, high-load-bearing osteochondral defects of the canine femoral head. The scaffolds were fabricated using cartilage and bone ECM as a cartilage and bone layer, respectively. Osteochondral constructs were fabricated using induced BM-MSCs and the scaffold. Osteochondral defects (11 mm diameter × 10 mm depth) were created on femoral heads of canine and treated with the constructs. The repaired tissue was evaluated for gross morphology, radiography, h

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Kealy, R. D., D. F. Lawler, K. L. Monti, D. Biery, R. W. Helms, G. Lust, S. E. Olsson, and G. K. Smith. "Effects of dietary electrolyte balance on subluxation of the femoral head in growing dogs." American Journal of Veterinary Research 54, no. 4 (April 1, 1993): 555–62. http://dx.doi.org/10.2460/ajvr.1993.54.04.555.

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Summary Effects of increased dietary chloride and reduced sodium and potassium ion concentrations on coxofemoral joint conformation, as assessed by radiography, were examined in growing dogs. Dietary electrolyte balance was quantified by dietary anion gap (dag), defined as Na+ + K+ - Cl- in milliequivalents per 100 g of food. Diets had anion gap ranging from 8 to 41 mEq/100 g of food. One hundred sixty-seven pups from 27 litters representing 5 breeds were studied during the period of rapid growth. The extent of subluxation of the femoral head was measured on radiographs, using the method of No

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Manja, Cek Dara, and Daashinta Rajaduray. "Analysis of height and width of mandibular condyle and shape of the articular eminence with and without clicking using TMJ radiography." International Journal of Dentistry Research 4, no. 3 (December 25, 2019): 99–103. http://dx.doi.org/10.31254/dentistry.2019.4303.

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The temporomandibular joint (TMJ) is the joint of the mandibular condyle with the glenoid fossa of the temporal bone and is the only joint in the head that is responsible for opening and closing movements of the jaw. Cliking is the most frequent symptom indicating temporomandibular joint dysfunction. Several radiographic techniques are used to establish the diagnosis in the examination of the temporomandibular joint. This research was carried out using closed mouth TMJ radiography. The purpose of this study was to determine the height and width of the mandibular condyle and the form of eminenc

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Albrechtsen, J., J. Hede, and A. G. Jurik. "Pelvic Fractures." Acta Radiologica 35, no. 5 (September 1994): 420–25. http://dx.doi.org/10.1177/028418519403500504.

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Sixty-two patients with pelvic fractures were evaluated by conventional radiography and CT. A correct pathoanatomic classification of the fractures was most often obtained by conventional radiography, but CT added information regarding acetabular fractures and involvement of the posterior part of the pelvic ring. Besides, CT was essential in the detection of intraarticular fragments and lesions of the femoral head. Classification of pelvic ring fractures by the pattern of traumatic forces was easily obtainable by conventional radiography, but often difficult to achieve by CT.

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Woroprobosari, Niluh Ringga. "EFEK STOKASTIK RADIASI SINAR-X DENTAL PADA IBU HAMIL DAN JANIN." ODONTO : Dental Journal 3, no. 1 (July 1, 2016): 60. http://dx.doi.org/10.30659/odj.3.1.60-66.

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Background: Dental radiographic examination is one of the most frequent radiological examinations carried out. X-rays in dental radiography is a shortwave electromagnetic rays that cause ionization reaction to any biological material in its path. The purpose of this article is to give an overview of stochastic effects in general as well as to pregnant women and fetuses in particular.Discussion: Ionizing radiation, such as X-ray radiation, is potentially teratogenic. Safe dose has not been well defined, although there has been approved dosing limits. Gestational age most vulnerable is the end

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Huang, Brady K., Weiken Tan, Kurt F. Scherer, Winston Rennie, Christine B. Chung, and Laura W. Bancroft. "Standard and Advanced Imaging of Hip Osteoarthritis. What the Radiologist Should Know." Seminars in Musculoskeletal Radiology 23, no. 03 (June 2019): 289–303. http://dx.doi.org/10.1055/s-0039-1681050.

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AbstractOsteoarthritis (OA) of the hip is caused by degeneration of articular cartilage and the underlying bone and can be divided into two types: primary (associated with advancing age) and secondary (subsequent to fractures, avascular necrosis, infection, developmental dysplasia, and femoroacetabular impingement). Radiography remains the first-line imaging modality for diagnosing and monitoring OA, due to its accessibility, low cost, and ease of interpretation. Kellgren-Lawrence and Tönnis classification systems are radiographic OA grading systems used primarily in research, and they reflect

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Bremnes, Alexander, Lise Kristin Kubosch, and Borgny Ween. "Optimization of Codman® Hakim® adjustable valve radiography." Radiography Open 3, no. 1 (March 31, 2017): 14. http://dx.doi.org/10.7577/radopen.1998.

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Purpose Cerebrospinal fluid shunt valves is an important tool in hydrocephalus treatment. Adjustable valves, sensitive to MRI, are onerous. They need be controlled; in case of re-settings. The vendor give advices for the radiographic procedure; however, hospitals use variations. The purpose was to investigate the different variations. Method Eight images consisting combinations of protocol features, were subjectively and anonymous rated for image quality. The panel consisted of 60 professionals; 50 radiographers and 10 radiologists, from two hospitals doing neurosurgery services. Signal-to-noi

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Thapa, Sunil Singh, Arjun Lamichanne, and Deepak Prakash Mahara. "Tuberculous pseudotumor of fibular head." Journal of Society of Surgeons of Nepal 18, no. 2 (November 10, 2017): 33–35. http://dx.doi.org/10.3126/jssn.v18i2.18573.

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Tuberculous osteomyelitis of long tubular bone is uncommon, the reported incidence is about 2-3 %. Tuberculous osteomyelitis of fibular head is very rare and it mimics neoplasm. Here we report a case of a 28 year old male presenting with unremitting right knee pain with swelling around fibular head with knee radiography showing lytic lesion of proximal fibula,excisional biopsy was done and histopathological report confirmed it as tuberculous osteomyelitis. Journal of Society of Surgeons of Nepal, 2015; 18 (2), page: 33-35

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Kitai, Noriyuki, Yousuke Mukai, Manabu Murabayashi, Atsushi Kawabata, Kaei Washino, Masato Matsuoka, Ichirou Shimizu, and Akitoshi Katsumata. "Measurement accuracy with a new dental panoramic radiographic technique based on tomosynthesis." Angle Orthodontist 83, no. 1 (May 21, 2012): 117–26. http://dx.doi.org/10.2319/020412-100.1.

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Abstract Objective: To investigate measurement errors and head positioning effects on radiographs made with new dental panoramic radiograph equipment that uses tomosynthesis. Materials and Methods: Radiographic images of a simulated human head or phantom were made at standard head positions using the new dental panoramic radiograph equipment. Measurement errors were evaluated by comparing with the true values. The phantom was also radiographed at various alternative head positions. Significant differences between measurement values at standard and alternative head positions were evaluated. Mag

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Voicu, Ioan Paul, and Tommaso Bartalena. "Frontal Osteoma‐Induced Headache Revealed by Conventional Radiography With a False Negative MRI: Röntgen Strikes Back." Headache: The Journal of Head and Face Pain 60, no. 3 (February 3, 2020): 615–16. http://dx.doi.org/10.1111/head.13762.

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Sivaneri, Mona, R. Constance Wiener, Alcinda K. Trickett Shockey, and Christopher Waters. "Dental Student Skills in Matching Radiographs for Forensic Identification and in Forensic Knowledge." Journal of Biomedical Education 2018 (April 2, 2018): 1–5. http://dx.doi.org/10.1155/2018/4389259.

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Purpose and Objectives. Dental and dental hygiene curricula must meet the core competencies established by the American Dental Association Commission on Dental Accreditation. As a result, there is limited time to expose students to the research and knowledge associated with additional important topics, such as dental forensics. The purpose of this research is to assess dental forensic knowledge and dental forensic radiographic skills of dental students. Methods. Ten radiographs of extracted permanent maxillary molars were exposed. One of the teeth was heat-altered to 600°F (315.6°C) for 15 min

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