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Musculoskeletal imaging

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https://www.readbyqxmd.com/read/28447158/-ultrasound-diagnostics-in-sj%C3%A3-gren-s-syndrome
#1
REVIEW
V S Schäfer, W A Schmidt
Ultrasound of the salivary glands is a specific examination for detecting pathology of salivary glands in the diagnosis of Sjögren's syndrome. It is easy to learn, rapidly performed, non-invasive and inexpensive. Other imaging techniques, such as sialography and scintigraphy, are currently only rarely performed. For the examination, linear ultrasound probes with frequencies between 7 and 12 MHz are recommended. Such probes are already widely available to the rheumatologist performing musculoskeletal ultrasound...
April 26, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28444414/-general-diagnostic-work-up-for-benign-tumors-of-the-musculoskeletal-system
#2
REVIEW
J Panotopoulos, P Th Funovics, R Windhager
INTRODUCTION: Benign bone tumors are heterogeneous and have different biological behaviors. Treatment requires knowledge of the principle diagnosis and clinical behavior to avoid, on the one hand, overtreatment and, on the other hand, incorrect diagnosis of a potentially malignant tumor. METHODS: Bone tumors of stage I (according to Enneking) should be observed clinically and radiologically. For stage II and stage III lesions, a biopsy should be performed, based on the corresponding oncological guidelines...
April 25, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28441370/conventional-modalities-and-novel-emerging-imaging-techniques-for-musculoskeletal-tumors
#3
Meera Raghavan
BACKGROUND: Imaging of musculoskeletal tumors requires a multimodality approach and includes radiography, computed tomography (CT), and magnetic resonance imaging (MRI). METHODS: Topics related to primary bone and soft-tissue tumors are reviewed. The fundamental imaging principles are discussed as well as the applications of emerging imaging modalities. RESULTS: MRI is the preferred technique for the evaluation of musculoskeletal tumors, whereas other imaging modalities play a complementary role...
April 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28434505/imaging-of-musculoskeletal-soft-tissue-infection
#4
Ching-Di Chang, Jim S Wu
No abstract text is available yet for this article.
January 2017: Seminars in Roentgenology
https://www.readbyqxmd.com/read/28432395/the-magnetic-resonance-imaging-appearance-of-the-anterolateral-ligament-of-the-knee-in-association-with-anterior-cruciate-rupture
#5
Jonathan D Kosy, Peter J Schranz, Anish Patel, Rahul Anaspure, Vipul I Mandalia
OBJECTIVE: The magnetic resonance imaging (MRI) appearance of the anterolateral ligament (ALL) has been described. However, the appearance of this structure and injury, in the presence of anterior cruciate ligament (ACL) injury, is less well defined. We studied the incidence of injury to the ALL and the pattern of this injury on MRI. MATERIALS AND METHODS: Following Institutional Review Board approval, a retrospective study of 375 consecutive MRI studies was performed...
April 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28428658/what-radiologists-need-to-know-about-3d-printing-and-its-main-applications-in-musculoskeletal-imaging
#6
Francisco Abaeté Chagas-Neto, Francisco Coracy Carneiro Monteiro, Eduardo Lima da Rocha, Everaldo Gregio-Junior, Marcello Henrique Nogueira-Barbosa
No abstract text is available yet for this article.
March 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28427319/mechanobiological-modelling-of-tendons-review-and-future-opportunities
#7
Mark S Thompson, M Nazri Bajuri, Hanifeh Khayyeri, Hanna Isaksson
Tendons are adapted to carry large, repeated loads and are clinically important for the maintenance of musculoskeletal health in an increasing, actively ageing population, as well as in elite athletes. Tendons are known to adapt to mechanical loading. Also, their healing and disease processes are highly sensitive to mechanical load. Computational modelling approaches developed to capture this mechanobiological adaptation in tendons and other tissues have successfully addressed many important scientific and clinical issues...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28427313/sensitivity-of-a-juvenile-subject-specific-musculoskeletal-model-of-the-ankle-joint-to-the-variability-of-operator-dependent-input
#8
Iain Hannah, Erica Montefiori, Luca Modenese, Joe Prinold, Marco Viceconti, Claudia Mazzà
Subject-specific musculoskeletal modelling is especially useful in the study of juvenile and pathological subjects. However, such methodologies typically require a human operator to identify key landmarks from medical imaging data and are thus affected by unavoidable variability in the parameters defined and subsequent model predictions. The aim of this study was to thus quantify the inter- and intra-operator repeatability of a subject-specific modelling methodology developed for the analysis of subjects with juvenile idiopathic arthritis...
May 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28426371/optimization-of-preculture-conditions-to-maximize-the-in-vivo-performance-of-cell-seeded-engineered-intervertebral-discs
#9
John T Martin, Sarah E Gullbrand, Bhavana Mohanraj, Beth G Ashinsky, Dong Hwa Kim, Kensuke Ikuta, Dawn M Elliott, Lachlan J Smith, Robert L Mauck, Harvey E Smith
The development of engineered tissues has progressed over the past 20 years from in vitro characterization to in vivo implementation. For musculoskeletal tissue engineering in particular, the emphasis of many of these studies was to select conditions that maximized functional and compositional gains in vitro. However, the transition from the favorable in vitro culture environment to a less favorable in vivo environment has proven difficult, and, in many cases, engineered tissues do not retain their preimplantation phenotype after even short periods in vivo...
April 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28424849/ultrasound-evaluation-of-the-ulnar-collateral-ligament-of-the-elbow-which-method-is-most-reproducible
#10
Mehool Shukla, Robert Keller, Nathan Marshall, Hafeez Ahmed, Courtney Scher, Vasilios Bill Moutzouros, Marnix van Holsbeeck
INTRODUCTION: The ulnar collateral ligament (UCL) is an important medial stabilizer of the elbow, particularly in overhead-throwing athletes. However, there is no universally accepted method for evaluating UCL thickness with ultrasound (US). OBJECTIVE: To assess reproducibility of previously published methods, as well as a modified technique, for evaluating the UCL via US. We hypothesize that a modified technique would show greater reproducibility. MATERIAL AND METHODS: Using US, the thickness of the UCL in 50 volunteers was measured by two musculoskeletal trained radiologists using two different measurement techniques...
April 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28420932/sporadic-actinomycosis-of-the-hip-complicated-by-central-nervous-system-infection
#11
Mohammad Aamer Saleem, Zain Ul Abideen, Iram Shakir Kiani, Anum Yousaf, Amna Rasheed, Raja Wajid Shabbir
Actinomycosis is caused by the Gram positive filamentous Actinomyces bacterial species that are normal commensals of the oral cavity. Due to their low virulence, disease is rare in the immune competent patient. Although it may afflict any system in the body, involvement of the musculoskeletal system is uncommon. Here in, we describe the case of a 60 year old lady presenting with low grade fever, left hip pain and drowsiness. She was diagnosed as left hip actinomycosis on Computed tomogram (CT) guided biopsy and histopathological analysis of infiltrative lesions identified on Magnetic Resonance Imaging (MRI)...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28419756/posterior-ankle-labral-changes-at-mri-a-preliminary-study
#12
Nasir Khan, Navdeep Sahota, Michael L Shepel, Haron Obaid
INTRODUCTION: The transverse ligament in the ankle joint has been described as a labrum-like structure in a previous cadaveric study. The purpose of this study is to assess the spectrum of abnormal changes related to this structure on imaging/MRI, and correlate these findings with other ankle joint findings and patient symptoms. METHOD: A retrospective observational review of 172 ankle MRI scans was carried out independently by two fellowship trained musculoskeletal Radiologists...
April 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28413672/whole-body-magnetic-resonance-imaging-in-the-diagnosis-and-follow-up-of-multicentric-infantile-myofibromatosis-a-case-report
#13
Sergio Salerno, Maria Chiara Terranova, Mario Rossello, Maria Piccione, Ottavio Ziino, Giuseppe Lo Re
Myofibromatosis is an uncommon disorder of infancy, characterized by proliferation of myofibroblasts in solitary or multiple nodules. The clinical characteristics depend on the involved sites: Myofibromatosis may develop as a musculoskeletal form, with non-painful swellings and eventual mass effect symptoms, or as a generalized form with visceral involvement and organ failure. Prognosis and therapy vary between the abovementioned patterns. When there is no visceral involvement, the tumors may regress spontaneously; however, the visceral form may represent a lifethreatening condition with poor outcome and it requires aggressive management...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28409551/musculoskeletal-tuberculosis
#14
REVIEW
Michael K Leonard, Henry M Blumberg
Musculoskeletal tuberculosis (TB) accounts for approximately 10% of all extrapulmonary TB cases in the United States and is the third most common site of extrapulmonary TB after pleural and lymphatic disease. Vertebral involvement (tuberculous spondylitis, or Pott's disease) is the most common type of skeletal TB, accounting for about half of all cases of musculoskeletal TB. The presentation of musculoskeletal TB may be insidious over a long period and the diagnosis may be elusive and delayed, as TB may not be the initial consideration in the differential diagnosis...
April 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28409175/ct-arthrography-of-adhesive-capsulitis-of-the-shoulder-are-mr-signs-applicable
#15
Cerny Milena, Omoumi Patrick, Larbi Ahmed, Manicourt Daniel, Perozziello Anne, Frederic E Lecouvet, Bruno C Vande Berg, Dallaudière Benjamin
OBJECTIVE: To determine if diagnostic signs of adhesive capsulitis (AC) of the shoulder at Magnetic Resonance Imaging (MRI) and arthrography (MRA) are applicable to CT arthrography (CTA). METHODS: 22 shoulder CTAs with AC were retrospectively reviewed for features described in MR literature. The control group was composed of 83 shoulder CTA divided into four subgroups 1) normal (N = 20), 2) omarthrosis (N = 19), 3) labral injury (N = 23), and 4) rotator cuff tear (N = 21)...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28405740/mri-is-not-reliable-in-diagnosing-of-concomitant-anterolateral-ligament-and-anterior-cruciate-ligament-injuries-of-the-knee
#16
Brian M Devitt, Richard O'Sullivan, Julian A Feller, Nicholas Lash, Tabitha J Porter, Kate E Webster, Timothy S Whitehead
PURPOSE: There has been a renewed interest in the anterolateral structures of the knee, including description of the anterolateral ligament (ALL) as a distinct structure. Recognizing injury to the ALL is challenging, particularly given the subjective nature of physical examination. Consequently, focus has turned to magnetic resonance imaging (MRI) to reach a preoperative diagnosis of this region. The aim of this study was to examine the ability of 3-Tesla (3T) MRI to identify the ALL in ACL-injured patients compared to a matched control group of ACL-intact patients...
April 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28399875/asas-definition-for-sacroiliitis-on-mri-in-spa-applicable-to-children
#17
Nele Herregods, Joke Dehoorne, Filip Van den Bosch, Jacob Lester Jaremko, Joke Van Vlaenderen, Rik Joos, Xenofon Baraliakos, Gaëlle Varkas, Koenraad Verstraete, Dirk Elewaut, Lennart Jans
BACKGROUND: The Assessment of Spondyloarthritis International Society (ASAS) definition for a 'positive' Magnetic Resonance Imaging (MRI) for sacroiliitis is well studied and validated in adults, but studies about the value of this definition in children are lacking. The aim of this study is to evaluate whether the adult ASAS definition of a positive MRI of the sacroiliac joints can be applied to children with a clinical suspicion of Juvenile Spondyloarthritis (JSpA). METHODS: Two pediatric musculoskeletal radiologists blinded to clinical data independently retrospectively reviewed sacroiliac (SI) joint MRI in 109 children suspected of sacroiliitis...
April 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28398696/accuracy-of-sonography-in-plantar-plate-tears-in-cadavers
#18
Michael Stone, William Eyler, Joshua Rhodenizer, Marnix van Holsbeeck
OBJECTIVES: Sonography is often used in the evaluation of forefoot disorders, and its use has been suggested in the diagnosis of plantar plate tears. This study aimed to assess the accuracy of sonography in the diagnosis of plantar plate tears of the lesser digits using gross dissection as the reference standard. METHODS: The second through fifth digits of 6 cadavers were examined with sonography to evaluate for plantar plate tears. The examination was performed by a single musculoskeletal radiologist in longitudinal and short axes, and plates were graded as torn or intact...
April 11, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28397021/neck-muscle-moment-arms-obtained-in-vivo-from-mri-effect-of-curved-and-straight-modeled-paths
#19
Bethany L Suderman, Anita N Vasavada
Musculoskeletal models of the cervical spine commonly represent neck muscles with straight paths. However, straight lines do not best represent the natural curvature of muscle paths in the neck, because the paths are constrained by bone and soft tissue. The purpose of this study was to estimate moment arms of curved and straight neck muscle paths using different moment arm calculation methods: tendon excursion, geometric, and effective torque. Curved and straight muscle paths were defined for two subject-specific cervical spine models derived from in vivo magnetic resonance images (MRI)...
April 10, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28394713/elbow-mri-findings-do-not-correlate-with-future-placement-on-the-disabled-list-in-asymptomatic-professional-baseball-pitchers
#20
Nicholas M Gutierrez, Christopher Granville, Lee Kaplan, Michael Baraga, Jean Jose
BACKGROUND: Injury rates among professional baseball players may reach as high as 5.8 per 1000 encounters, with pitchers being most vulnerable on account of the excessive biomechanical load on the upper extremity during the throwing motion. Anatomically, the shoulder is the most common site of pitching-related injury, accounting for 30.7% of injuries, closely followed by the elbow at 26.3%. Characteristic valgus loading imparts a predictable constellation of stresses on the joint, including medial tension, lateral compression, and posterior medial shearing...
April 1, 2017: Sports Health
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