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radiology radiographics

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https://www.readbyqxmd.com/read/28641907/is-fusion-superior-to-non-fusion-for-the-treatment-of-thoracolumbar-burst-fracture-a-systematic-review-and-meta-analysis
#1
Tao Lan, Yang Chen, Shi-Yu Hu, Ao-Lin Li, Xin-Jian Yang
OBJECTIVE: The purpose of this meta-analysis was to compare the efficacy and safety between patients with thoracolumbar burst fracture who underwent posterior fixation alone (non-fusion) and supplemented with fusion. METHODS: A comprehensive search of related literature was performed in PubMed, Embase and the Cochrane library. Clinical outcomes (LBOS and VAS), surgical outcomes (operation time, blood loss, hospital stay and perioperative complications), and radiographic outcomes (kyphotic angle, decreased vertebral body height and segmental motion) were assessed in the meta-analysis...
June 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28639730/evaluation-of-thoracic-radiographs-as-a-screening-test-for-dogs-and-cats-admitted-to-a-tertiary-care-veterinary-hospital-for-noncardiopulmonary-disease
#2
Christine L Keyserling, Yekaterina Buriko, Bridget M Lyons, Kenneth J Drobatz, Anthony J Fischetti
Thoracic radiographs are used as a screening tool for dogs and cats with a variety of disorders that have no clinical signs associated with thoracic structures. However, this practice has never been supported by an evidence-based study. The objective of this retrospective observational study was to determine if certain canine and feline populations have a higher proportion of radiographic abnormalities, and whether any of these abnormalities are associated with patient hospitalization and outcome. Patients were excluded if current or previous examinations revealed evidence of primary respiratory or cardiac disease, malignant neoplasia, or an abnormal breathing pattern consistent with pulmonary pathology...
June 22, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28637120/is-tutobone-an-efficient-alternative-to-other-implants-used-in-anterior-cervical-discectomy-and-fusion-surgeries
#3
Savithru Kumar Prakash, Nitin Mukerji, Fredrik Prem Nath
BACKGROUND: The graft site morbidity following iliac crest harvesting is significant. To overcome this, different bone substitutes like coral dowels, solvent dissolved bovine/human bone substitutes, and carbon fiber/titanium cages have been used. This study was undertaken to assess the postoperative radiological fusion rates and symptom relief in patients who had Tutobone used as an interbody spacer compared to autologous bone graft (ABG), cages, surgibone and coral dowels. METHODS: This was a retrospective, observational study...
March 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28633776/bioabsorbable-calcaneo-stop-implant-for-the-treatment-of-flexible-flatfoot-a-retrospective-cohort-study-at-a-minimum-follow-up-of-4%C3%A2-years
#4
Sandro Giannini, Matteo Cadossi, Antonio Mazzotti, Valentina Persiani, Giuseppe Tedesco, Matteo Romagnoli, Cesare Faldini
Arthroereisis of the subtalar joint is a common surgical technique in Europe for the management of flexible flatfoot in the pediatric population. In most cases, it is performed using a calcaneo-stop metallic screw. Despite the good clinical results, screw removal is always advised after 2 to 3 years. The use of a bioabsorbable screw might overcome the need for a second operation to remove a nonabsorbable device. We report the results of a biodegradable calcaneo-stop screw at a minimum of 4 years of follow-up...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633648/radiologic-comparison-of-posterior-release-internal-distraction-final-pso-and-spinal-fusion-with-one-stage-posterior-vertebral-column-resection-for-multi-level-severe-congenital-scoliosis
#5
Shichang Liu, Nannan Zhang, Yueming Song, Zongrang Song, Liping Zhang, Jijun Liu, En Xie, Qining Wu, Dingjun Hao
BACKGROUND: To compare radiologic results of posterior release, internal distraction, and final pedicle subtraction osteotomy (PSO) and spinal fusionwith one-stage posterior vertebral column resection (PVCR) in treating multi-level severe congenital scoliosis. METHODS: Forty-onesevere congenital scoliosis patients were used in the study. Group A comprised 24 patients who underwent one-stage PVCR. Group B comprised 17 patients who underwent posterior release with internal distraction, followed by final posterior fusion and instrumentation...
June 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28633335/pulmonary-tb-varying-radiological-presentations-in-individuals-with-hiv-in-soweto-south-africa
#6
Jesne Kistan, Fatima Laher, Kennedy Otwombe, Ravindre Panchia, Nohemie Mawaka, Limakatso Lebina, Andreas Diacon, Bavesh Kana, Neil Martinson
Background: HIV-uninfected individuals with pulmonary TB (PTB) commonly present with radiological features of upper lobe cavitatory disease. In contrast, individuals with HIV and PTB may present differently. This study compared radiological features of individuals with laboratory-confirmed PTB by HIV status from the largest study in South Africa. Methods: We conducted a cross-sectional analysis of adults recruited between 2012 and 2015 with laboratory-confirmed PTB in Soweto, South Africa...
March 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28632553/lumbar-retrolisthesis-in-aging-spine-what-are-the-associated-factors
#7
Feng Zhu, Hongda Bao, Zhen Liu, Zezhang Zhu, Shouyu He, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: The aim of this study is to demonstrate that lumbar retrolisthesis serves as an important compensatory mechanism and to identify the possible factor related to lumbar retrolisthesis. SUMMARY OF BACKGROUND DATA: Lumbar instability is one of the common degenerative changes, which presents as 2 radiologic features: anterolisthesis and retrolisthesis. Compared with the extensive studies on anterolisthesis, limit data are available on the characteristics and clinical relevance of lumbar retrolisthesis...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28631696/-ankylosing-spondylitis-and-non-radiographic-axial-spondyloarthritis-two-stages-of-disease
#8
D G Rumyantseva, T V Dubinina, A B Demina, O A Rumyantseva, E M Agafonova, A V Smirnov, Sh F Erdes
AIM: To compare the clinical manifestations of ankylosing spondylitis (AS) and non-radiographic axial spondyloarthritis (nrAxSpA). SUBJECTS AND METHODS: A Moscow early spondyloarthritis cohort has now included 132 patients with axial spondyloarthritis, of whom 69 patients who have been followed up at least 12 months are to be involved in a preliminary analysis. The mean age at the time of inclusion in the study was 28.1±5.5 years; the mean disease duration was 24...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28631083/is-there-a-relationship-between-serum-ox-ldl-oxidative-stress-and-pon1-in-knee-osteoarthritis
#9
Cemil Ertürk, Mehmet Akif Altay, Ali Bilge, Hakim Çelik
Previous in vitro studies have shown that oxidized low-density lipoprotein (ox-LDL) plays a role in the pathogenesis of osteoarthritis (OA). Paraoxonase-1 (PON1) protects both low-density lipoproteins (LDLs) and high-density lipoprotein (HDLs) against oxidative damage from circulating cells. In addition, PON1 is inactivated by ox-LDL and preserved by antioxidants. However, the relationship between serum ox-LDL, oxidative stress, and PON1 in knee OA remains unclear. Therefore, we investigated ox-LDL association with oxidative stress and PON1 in knee OA, and evaluated their relationships using radiological and clinical parameters...
June 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28630737/mesenchymal-stem-cell-therapy-in-the-treatment-of-hip-osteoarthritis
#10
Rodrigo Mardones, Claudio M Jofré, L Tobar, José J Minguell
This study was performed to investigate the safety and efficacy of the intra-articular infusion of ex vivo expanded autologous bone marrow-derived mesenchymal stem cells (BM-MSC) to a cohort of patients with articular cartilage defects in the hip. The above rationale is sustained by the notion that MSCs express a chondrocyte differential potential and produce extracellular matrix molecules as well as regulatory signals, that may well contribute to cure the function of the damaged hip joint. A cohort of 10 patients with functional and radiological evidences of hip osteoarthritis, either in one or both legs, was included in the study...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28628720/cost-effective-teaching-of-radiology-with-preclinical-anatomy
#11
James S Wilson, Jacqueline Alvarez, Bonnie C Davis, Andre J Duerinckx
Graduating physicians in all subspecialties have an increased need for competency in radiology, particularly since the use of diagnostic imaging continues to grow. To integrate the teaching of radiology with anatomy during the first year of medical school at Howard University, a novel approach was developed to overcome the limitations of resources including funding, faculty, and curricular time. The resulting program relies on self-study and peer-to-peer interactions to develop proficiency at manipulating free versions of medical image viewer software (using the DICOM standard), identifying normal anatomy in medical images, and applying critical thinking skills to understand common clinical conditions...
June 19, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28628646/the-impact-of-glycemic-status-on-radiological-manifestations-of-pulmonary-tuberculosis-in-diabetic-patients
#12
Li-Kuo Huang, Hsueh-Han Wang, Yi-Chun Lai, Shi-Chuan Chang
SETTING: Diabetes mellitus (DM) may increase risk of pulmonary tuberculosis (PTB) and influence its radiological manifestations. OBJECTIVE: To evaluate the impact of glycemic status on radiological findings of PTB in diabetic patients. METHODS: Between January 2010 and December 2015, chest radiographs (CXRs) in consecutive 214 DM patients with culture-proved PTB and 123 available thoracic computed tomography (CT) scans were enrolled. An equal number of non-DM patients with similar demographics was included as the control group...
2017: PloS One
https://www.readbyqxmd.com/read/28626124/two-cases-of-tuberous-sclerosis-complex-suggestive-of-complicating-multifocal-micronodular-pneumocyte-hyperplasia-a-case-report
#13
Chinatsu Nishida, Kazuhiro Yatera, Takashi Kido, Shingo Noguchi, Kentaro Akata, Minako Hanaka, Kei Yamasaki, Teppei Hoshino, Masayuki Shimono, Hiroshi Ishimoto, Noriho Sakamoto, Hiroshi Mukae
Multifocal micronodular pneumocyte hyperplasia (MMPH) is pathologically characterized by multifocal nodular hyperplasia of type Ⅱ pneumocyte-like cells. MMPH is usually complicated with tuberous sclerosis complex (TSC). MMPH patients tend to be asymptomatic or only slightly symptomatic. MMPH tends to progress slowly and needs no treatment. We herein describe two cases of MMPH with its characteristic radiological features and clinical manifestations of TSC. Case 1: a 20-year-old female with definitive TSC in infancy...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28625198/determining-the-clinical-significance-of-errors-in-pediatric-radiograph-interpretation-between-emergency-physicians-and-radiologists
#14
Jonathan Taves, Steve Skitch, Rahim Valani
OBJECTIVES: Emergency physicians (EPs) interpret plain radiographs for management and disposition of patients. Radiologists subsequently conduct their own interpretations, which may differ. The purposes of this study were to review the rate and nature of discrepancies between radiographs interpreted by EPs and those of radiologists in the pediatric emergency department, and to determine their clinical significance. METHODS: We conducted a retrospective review of discrepant radiology reports from a single-site pediatric emergency department from October 2012 to December 2014...
June 19, 2017: CJEM
https://www.readbyqxmd.com/read/28625096/surgical-technique-and-early-outcomes-of-intramedullary-nailing-of-displaced-proximal-humeral-fractures-in-an-asian-population-using-a-contemporary-straight-nail-design
#15
Toon Dong Hao, Andy Wee Teck Huat
BACKGROUND: Despite being a common orthopedic injury, the optimal management of proximal humeral fractures remains a topic of debate. Although intramedullary nails have been used to treat these fractures, several complications have been reported with older nail devices. We describe our surgical technique and aim to evaluate the early functional and radiological outcomes of displaced Neer's two- to four-part proximal humeral fractures undergoing fixation with a contemporary straight intramedullary nail...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28624970/cardiovascular-implantable-electronic-devices-a-review-of-the-dangers-and-difficulties-in-mr-scanning-and-attempts-to-improve-safety
#16
REVIEW
Pei Ghim Poh, Charlene Liew, Colin Yeo, Le Roy Chong, Andrew Tan, Angeline Poh
An increasing number of patients are being treated with cardiovascular implantable electronic devices (CIEDs), many of which are MR conditional. There is a lack of literature on the safe scanning of MR conditional CIEDs. This review article discusses MR imaging safety in patients with implanted CIEDs. Guidelines on safe use and indications of imaging patients with MR conditional CIEDs are described, followed by a pictorial essay of the radiographic features of these devices. We also discuss the challenges of monitoring the patient in the MR environment, advances in MRI conditional imaging of devices, availability, limitations and workflow including vendor-specific and other collaborative efforts to simplify the scanning process...
June 17, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28624564/structural-allograft-versus-autograft-for-instrumented-atlantoaxial-fusions-in-pediatric-patients-radiological-and-clinical-outcomes-in-a-series-of-32-patients
#17
Yue-Hui Zhang, Lei Shen, Jiang Shao, Dean Chou, Jia Song, Jing Zhang
BACKGROUND: Allograft with wire techniques showed low fusion rate in pediatric atlantoaxial fusions (AAF) in early studies. Using allograft in pediatric AAF with screw/rod constructs has not been reported. Thus, we compared the fusion rate and clinical outcomes in pediatric patients who underwent atlantoaxial fusions (AAF) with screw/rod constructs using either a structural autograft or allograft. METHODS: Pediatric patients (aged ≤12 years) who underwent AAF between 2007 and 2015 were retrospectively evaluated...
June 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28623408/plexiform-neurofibroma-causing-an-ossifying-subperiosteal-haematoma-a-rare-case-in-the-tibia-of-an-11-year-old-girl
#18
Anton Lavell, Christopher W Jones, Daniel Wong, Peter Counsel, Richard Carey-Smith
Ossifying subperiosteal haematoma is an exceedingly rare manifestation of Neurofibromatosis type 1 (NF-1). We report an interesting case of plexiform neurofibroma causing a rapidly growing tibial mass as a result of subperiosteal haemorrhage, in an 11-year-old girl with previously undiagnosed NF-1. This reflects a precursor of the more mature periosteal ossification seen in cases traditionally termed "subperiosteal cysts". A previously well young girl was referred by her general practitioner with an increasingly large, mildly tender, soft lump on the anterior aspect of her right tibia...
June 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28623377/collision-and-composite-tumors-radiologic-and-pathologic-correlation
#19
Calvin T Sung, Anup Shetty, Christine O Menias, Roozbeh Houshyar, Shreya Chatterjee, Thomas K Lee, Paul Tung, Mohammed Helmy, Chandana Lall
The terms composite and collision tumors have been used interchangeably throughout radiological literature. Both composite and collision tumors involve two morphologically and immunohistochemically distinct neoplasms coexisting within a single organ. However, collision tumors lack the histological cellular intermingling seen in composite tumors. Composite tumors often arise from a common driver mutation that induces a divergent histology from a common neoplastic source while collision tumors may arise from coincidental neoplastic change...
June 16, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28622188/differences-in-fundamental-sagittal-pelvic-parameters-based-on-age-sex-and-race
#20
Robert K Merrill, Jun S Kim, Dante M Leven, Joung Heon Kim, Joshua J Meaike, Rachel S Bronheim, Kelly I Suchman, Doug Nowacki, Sunder S Gidumal, Samuel K Cho
STUDY DESIGN: This is a retrospective cohort study. OBJECTIVE: To determine whether age, sex, and race have independent effects on sagittal pelvic parameters. SUMMARY OF BACKGROUND DATA: Pelvic parameters and sagittal balance correlate with health-related quality of life and are important for patient assessment and surgical planning. Age, sex, and race are 3 unalterable patient factors that may influence pelvic morphology. METHODS: We conducted a retrospective review of consecutive adult patients who presented to our radiology practice between 2010 and 2015 and had a standing, lateral lumbosacral radiograph...
June 15, 2017: Clinical Spine Surgery
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