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Mobile radiography

Pyong Wha Choi
BACKGROUND: Although colonoscopy is generally a safe procedure, lethal complications can occur. Colonoscopic perforation is one of the most serious complications, and it can present with various clinical symptoms and signs. Aggravating abdominal pain and free air on simple radiography are representative clinical manifestations of colonoscopic perforation. However, unusual symptoms and signs, such as dyspnea and subcutaneous emphysema, which are less likely to be related with complicating colonoscopy, may obscure correct clinical diagnosis...
November 19, 2016: Journal of Emergency Medicine
Jean-Eudes Bourcier, Sergiu Braga, Didier Garnier
Acute community-acquired pneumonia should be diagnosed early to avoid most complications. The common diagnostic tools were represented by blood tests and chest X-ray with CT scan coming as a second-line exploration. The presence of air in the pulmonary parenchyma has long been thought of as not explorable by ultrasound. However, since the 1990s, several teams have described a semiology of ultrasonography of pulmonary diseases. Moreover, the safety of the technique and the development of mobile and ultra-portable devices have offered it as a first-line examination by a non-radiologist physician...
December 2016: Current Infectious Disease Reports
Massimo Del Fabbro, Stefano Corbella, Patrick Sequeira-Byron, Igor Tsesis, Eyal Rosen, Alessandra Lolato, Silvio Taschieri
BACKGROUND: When primary root canal therapy fails, periapical lesions can be retreated with or without surgery. Root canal retreatment is a non-surgical procedure that involves removal of root canal filling materials from the tooth, followed by cleaning, shaping and obturating of the canals. Root-end resection is a surgical procedure that involves exposure of the periapical lesion through an osteotomy, surgical removal of the lesion, removal of part of the root-end tip, disinfection and, commonly, retrograde sealing or filling of the apical portion of the remaining root canal...
October 19, 2016: Cochrane Database of Systematic Reviews
Sarah L Smith, Christopher Boothman, Heather A Williams, Beverly L Ellis, Joanna Wragg, Julia M West, Jonathan R Lloyd
Geological disposal of intermediate level radioactive waste in the UK is planned to involve the use of cementitious materials, facilitating the formation of an alkali-disturbed zone within the host rock. The biogeochemical processes that will occur in this environment, and the extent to which they will impact on radionuclide migration, are currently poorly understood. This study investigates the impact of biogeochemical processes on the mobility of the radionuclide technetium, in column experiments designed to be representative of aspects of the alkali-disturbed zone...
October 14, 2016: Science of the Total Environment
Guang Li, Travis C Greene, Thomas K Nishino, Charles E Willis
The purpose of this study was to evaluate several of the standardized image quality metrics proposed by the American Association of Physics in Medicine (AAPM) Task Group 150. The task group suggested region-of-interest (ROI)-based techniques to measure nonuniformity, minimum signal-to-noise ratio (SNR), number of anomalous pixels, and modulation transfer function (MTF). This study evaluated the effects of ROI size and layout on the image metrics by using four different ROI sets, assessed result uncertainty by repeating measurements, and compared results with two commercially available quality control tools, namely the Carestream DIRECTVIEW Total Quality Tool (TQT) and the GE Healthcare Quality Assurance Process (QAP)...
2016: Journal of Applied Clinical Medical Physics
Laila Mahir, Siham Zahi, Soumia Meftah, Herman Azanmasso, Fatima Lmidmani, Abdellatif El Fatimi
OBJECTIVE: Introduction: the sternoclavicular joint is very stable due to a strong ligamentous system, disjunctions are rare. Their diagnosis is difficult. Plain radiography does not allow a proper analysis and use of CT scans is necessary. They can be life-threatening in their posterior variety due to the proximity of the noble elements of the mediastinum. OBJECTIVE: The aim of this study is to describe the evolution of the sternoclavicular disjunction after functional rehabilitation through 6 observations...
September 2016: Annals of Physical and Rehabilitation Medicine
Sophie Legrève
OBJECTIVE: Multifocal osteonecrosis is rare. A zone of epiphyseal bone-marrow necrosis of three or more joints characterizes it. The most common risk factors are glucocorticoids intake and alcoholism. However, there is a series of other causes that could be incriminated in osteonecrosis, among which antiphospholipid syndrome. This case report, illustrates a primary antiphospholipid syndrome with only one clinical manifestation: multifocal osteonecrosis. OBSERVATIONS: A 30-year-old woman, with a medical history of left total hip replacement (THR), presents with severe right coxalgia and pain in both knees and shoulders...
September 2016: Annals of Physical and Rehabilitation Medicine
Kate Barry, Saravana Kumar, Rebecca Linke, Emma Dawes
INTRODUCTION: The gold standard in general radiography is to place a radiopaque anatomical side marker in the field of view for each radiographic image prior to exposure. The advent of digital radiography has allowed for anatomical side markers to be digitally added to films as part of post-processing. The aim of this audit was to identify whether general X-ray images performed in a tertiary Women's and Children's Hospital were being appropriately annotated with a definitive side marker, and to identify factors that may contribute to inappropriately labelled images...
September 2016: Journal of Medical Radiation Sciences
John D Millet, Richard K J Brown, Benjamin Levi, Casey T Kraft, Jon A Jacobson, Milton D Gross, Ka Kit Wong
Frostbite is a localized cold thermal injury that results from tissue freezing. Frostbite injuries can have a substantial effect on long-term limb function and mobility if not promptly evaluated and treated. Imaging plays a critical role in initial evaluation of frostbite injuries and in monitoring response to treatment. A multimodality approach involving radiography, digital subtraction angiography (DSA), and/or multiphase bone scintigraphy with hybrid single photon emission computed tomography (SPECT)/computed tomography (CT) is often necessary for optimal guidance of frostbite care...
November 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Miguel Montero-Baker, Gregory J Ziomek, Luis Leon, Aaron Gonzales, Robert S Dieter, Crystal L Gadd, John P Pacanowski
BACKGROUND: The structural limitations of currently available laser-cut nitinol stents in the highly diseased arterial system of the lower extremity are well described. These devices are frequently used in long-segment occlusions, at the adductor hiatus, and across the knee into the popliteal artery and tibial-peroneal trunk despite concerns related to the high mobility of the knee joint and the potential for external stent compression, fractures, and occlusion. The Supera stent (Abbott Vascular, Santa Clara, Calif) was developed to provide superior radial strength, fracture resistance, and flexibility compared with laser-cut nitinol stents...
October 2016: Journal of Vascular Surgery
Alexander Dozet, Bodil Ivarsson, Karin Eklund, Rosemarie Klefsgård, Mats Geijer
RATIONALE, AIMS AND OBJECTIVES: The process of transferring older, vulnerable adults from an elder care facility to the hospital for medical care can be an emotionally and physically stressful experience. The recent development of modern mobile radiography may help to ease this anxiety by allowing for evaluation in the nursing home itself. Up until this point, no health economic evaluation of the technology has been attempted in a Swedish setting. The objective of this study was to determine whether examinations of patients in elder care facilities with mobile radiography were cost-effective from a societal perspective compared with hospital-based radiological examinations...
December 2016: Journal of Evaluation in Clinical Practice
Paul Axelsson, Björn Strömqvist
Background and purpose - Randomized trials have found that treating spinal burst fractures with reduction and posterior fixation is adequate without the use of bone grafting for definitive fusion. Restitution of intervertebral mobility of such an unfused segment after fracture healing may unload the adjacent parts of the spine and reduce the risk of degeneration of these segments. We used radiostereometry (RSA) to study whether late implant removal would restore the intervertebral mobility of a thoracolumbar segment treated with posterior instrumentation but no bone grafting for unstable spinal fracture...
October 2016: Acta Orthopaedica
Fumi Seshima, Makiko Nishina, Takashi Namba, Atsushi Saito
We report a case of generalized chronic periodontitis and type 2 diabetes mellitus requiring periodontal treatment including regenerative therapy. The patient was a 66-year-old man who presented with the chief complaint of gingival inflammation and mobile teeth in the molar region. He had been being treated for type 2 diabetes mellitus since 1999. His glycated hemoglobin (HbA1c) level was 7.8%. An initial examination revealed sites with a probing depth of ≥7 mm in the molar region, and radiography revealed angular bone defects in this area...
2016: Bulletin of Tokyo Dental College
Andrew J Inglis, Marek Nalos, Kwan-Hing Sue, Jan Hruby, Daniel M Campbell, Rachel M Braham, Sam R Orde
OBJECTIVE: To compare lung ultrasonography (LUS), chest xray (CXR) and physical examination (Ex) for the detection of pathological abnormalities in the lungs of critically ill patients. DESIGN, SETTING AND PARTICIPANTS: A prospective cohort study of 145 patients in the intensive care unit of a tertiary teaching hospital who were undergoing echocardiography for a clinical indication. MAIN OUTCOME MEASURES: Each patient was independently assessed by Ex, CXR and LUS on the same day...
June 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
Jiro Omata, Katsuyuki Utsunomiya, Yoshiki Kajiwara, Risa Takahata, Nobuo Miyasaka, Hidekazu Sugasawa, Naoko Sakamoto, Yoji Yamagishi, Makiko Fukumura, Daiki Kitagawa, Mitsuhiko Konno, Yasushi Okusa, Michinori Murayama
A 43-year-old female was referred to our hospital for sudden onset of abdominal pain, fullness, and vomiting. Physical examination revealed abdominal distension with mild epigastric tenderness. Abdominal radiography showed massive gastric distension and plain computed tomography (CT) a markedly enlarged stomach filled with gas and fluid. A large volume of gastric contents was suctioned out via a nasogastric (NG) tube. Contrast-enhanced CT showed a grossly distended stomach with displacement of the antrum above the gastroesophageal junction, and the spleen was dislocated inferiorly...
December 2016: Surgical Case Reports
Arihiko Kanaji, Toru Nishiwaki, Akihito Oya, Kazuyuki Maehara, Hideki Maehara, Teruyo Oishi, Harumoto Yamada, Yasunori Suda, Masaya Nakamura, Morio Matsumoto
BACKGROUND: Preserving the hip joint to delay arthroplasty for patients with acetabular dysplasia-associated early-stage osteoarthritis has become more common, and several surgical procedures have demonstrated pain relief and improved hip joint function. Periacetabular osteotomy, one of the joint-preserving surgical procedures of the hip, provides favorable outcomes, although there are no reports of total hip arthroplasty being used to treat pseudoarthrosis of the periacetabular osteotomy segment...
2016: Journal of Medical Case Reports
Paul W Ten Berg, Tessa Drijkoningen, Simon D Strackee, Geert A Buijze
Background In the lack of consensus, surgeon-based preference determines how acute scaphoid fractures are classified. There is a great variety of classification systems with considerable controversies. Purposes The purpose of this study was to provide an overview of the different classification systems, clarifying their subgroups and analyzing their popularity by comparing citation indexes. The intention was to improve data comparison between studies using heterogeneous fracture descriptions. Methods We performed a systematic review of the literature based on a search of medical literature from 1950 to 2015, and a manual search using the reference lists in relevant book chapters...
May 2016: Journal of Wrist Surgery
Hiroshi Inui, Shuji Taketomi, Ryota Yamagami, Takaki Sanada, Nobuyuki Shirakawa, Sakae Tanaka
BACKGROUND: Tilting of the mobile bearing relative to the tibial tray in the flexion position may result from the implantation of femoral components more laterally relative to tibial components during unicompartmental knee arthroplasty (UKA) using the Oxford Knee. The purpose of the present study was to compare femoral component positions after UKA using the phase 3 device and a novel device. We further evaluated the placement of the femoral components with the new device in the flexion position to determine the association with short-term prognosis...
July 2016: Journal of Arthroplasty
Sahoko Ono, Hiroki Fujimoto, Yutaka Kawamoto
Acute osteomyelitis is uncommon in full-term neonates and occurs most frequently in those with critical illnesses, often following episodes of sepsis, skin infection, umbilical catheterization, urinary tract anomalies, or a complicated delivery. Here, we report a very rare case of acute rib osteomyelitis due to Staphylococcus aureus in a 13-day-old full-term male neonate. Ultrasonography (US) enabled diagnosis and revealed a coexisting costochondral junction rib fracture, which was not detected on routine chest radiography...
March 2016: American Journal of Perinatology Reports
Atefeh Nasehi, Fatemeh Mazhari, Nooshin Mohtasham
Idiopathic root resorption (IRR) is an infrequent condition that is usually found as an accidental finding on radiography. A significant number of cases of IRR in permanent dentition have been presented but are rarely reported in primary dentition. The aim of this case report is to present a case of localized IRR in a 7-year-old boy. The patient was referred because of increased mobility of the left mandibular primary second molar. On radiographic evaluation, severe root resorption of that tooth, and mild root resorption of the right mandibular primary second molar were evident; the patient was caries-free...
October 2015: European Journal of Dentistry
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