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Musculoskeletal MRI

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https://www.readbyqxmd.com/read/28647842/excellent-healing-rates-and-patient-satisfaction-after-arthroscopic-repair-of-medium-to-large-rotator-cuff-tears-with-a-single-row-technique-augmented-with-bone-marrow-vents
#1
Brian D Dierckman, Jake J Ni, Ronald P Karzel, Mark H Getelman
PURPOSE: This study evaluated the repair integrity and patient clinical outcomes following arthroscopic rotator cuff repair of medium to large rotator cuff tears using a single-row technique consisting of medially based, triple-loaded anchors augmented with bone marrow vents in the rotator cuff footprint lateral to the repair. METHODS: This is a retrospective study of 52 patients (53 shoulders) comprising 36 males and 16 females with a median age of 62 (range 44-82) with more than 24-month follow-up, tears between 2 and 4 cm in the anterior-posterior dimension and utilizing triple-loaded anchors...
June 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28628751/comparison-between-line-and-surface-mesh-models-to-represent-the-rotator-cuff-muscle-geometry-in-musculoskeletal-models
#2
Marion Hoffmann, Diane Haering, Mickaël Begon
Accurate muscle geometry (muscle length and moment arm) is required to estimate muscle function when using musculoskeletal modelling. In shoulder, muscles are often modelled as a collection of independent line segments, leading to non-physiological muscles trajectory, especially for the rotator cuff muscles. To prevent this, a surface mesh model was developed and validated against 7 MRI positions in one participant. Mean moment arm errors was 11.4% for the line vs. 8.8% for the mesh model. While the model with independent lines led to some non-physiological trajectories, the mesh model gave lower misestimations of muscle lengths and moment arms...
June 19, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28616021/mri-analysis-and-clinical-significance-of-lower-extremity-muscle-cross-sectional-area-after-spinal-cord-injury
#3
REVIEW
Robert M Lester, Kori Johnson, Refka E Khalil, Rehan Khan, Ashraf S Gorgey
Shortly after spinal cord injury (SCI), the musculoskeletal system undergoes detrimental changes in size and composition, predominantly below the level of injury. The loss of muscle size and strength, along with increased immobility, predisposes persons with SCI to rapid and severe loss in bone mineral density and other health related consequences. Previous studies have highlighted the significance of measuring thigh muscle cross-sectional area, however, measuring the size and composition of muscles of the lower leg may provide insights on how to decrease the risk of various comorbidities...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28608002/value-of-ultrasonographic-evaluation-for-soft-tissue-lesions-focus-on-incidentally-detected-lesions-on-ct-mri
#4
REVIEW
Sung Bin Park, Byeong Seong Kang
Soft-tissue lesions of the musculoskeletal system are commonly encountered in clinical practice and often manifest as palpable lesions. Moreover, the increasing use of cross-sectional imaging such as CT or MRI has resulted in the incidental detection of many soft-tissue lesions. Ultrasonography remains the primary imaging investigation for soft-tissue lesions. It has been shown to be helpful in depicting processes involving the soft-tissue lesions on cross-sectional imaging. This article describes the ultrasonographic findings of the most frequently incidentally detected benign and malignant soft-tissue lesions on cross-sectional imaging and suggests the characteristics of such diseases, focusing on the ultrasonographic features that allow accurate diagnosis...
June 12, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28607814/chiari-i-malformation-and-syringomyelia-in-mucopolysaccharidosis-type-i-hurler-syndrome-treated-with-posterior-fossa-decompression-case-report-and-review-of-the-literature
#5
Vyacheslav Makler, Christina L Goldstein, Daniel Hoernschemeyer, Tomoko Tanaka
BACKGROUND: Hurler Syndrome is the most severe phenotype of mucopolysaccharidosis type I. With bone marrow transplant and enzyme replacement therapy, the life expectancy of a child with Hurler syndrome has been extended, predisposing them to multiple musculoskeletal issues most commonly involving the spine. CASE DESCRIPTION: This is the case report of a 6-year-old male with Hurler syndrome who was diagnosed with Chiari I malformation and cervicothoracic syringomyelia on a preoperative magnetic resonance imaging (MRI) for his thoracolumbar kyphosis...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28594530/key-concepts-of-musculoskeletal-infection
#6
Scott B Rosenfeld, Lawson A Copley, Megan Mignemi, Thomas An, Michael Benvenuti, Jonathan Schoenecker
Over the past few decades, musculoskeletal infections have increased in both incidence and severity. The clinical manifestations of musculoskeletal infections range from isolated osteomyelitis to multisite infections with systemic complications. Although this increased incidence of musculoskeletal infections correlates with the increased incidence of methicillin-resistant Staphylococcus aureus infections, other nonresistant infectious organisms have been associated with severe musculoskeletal infections; this finding supports the likelihood that an antibiotic resistance profile is not a major factor in bacterial virulence...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28590821/t2-mapping-of-the-sacroiliac-joints-with-3-t-mri-a-preliminary-study
#7
Guillaume Lefebvre, Antonin Bergère, Mazen El Rafei, Alain Duhamel, Pedro Teixeira, Anne Cotten
OBJECTIVE: The objective of this study was to assess the feasibility of T2 relaxation time measurements of the sacroiliac joints. SUBJECTS AND METHODS: The sacroiliac joints of 40 patients were imaged by 3-T MRI using an oblique axial multislice multiecho spin-echo T2-weighted sequence. Manual plotting and automatic subdivision of ROIs allowed us to obtain T2 values for up to 48 different areas per patient (posterior and anterior parts, sacral, intermediate, and iliac parts)...
June 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28585058/pictorial-review-of-18-f-fdg-pet-ct-findings-in-musculoskeletal-lesions
#8
Mana Ishibashi, Yoshio Tanabe, Shinya Fujii, Toshihide Ogawa
We herein reviewed (18)F-fluoro-2-deoxyglucose ((18)F-FDG) positron emission tomography (PET)/computed tomography (CT) findings in a number of musculoskeletal lesions including malignant tumors, benign tumors, and tumor-like lesions with correlations to other radiographic imaging modalities, and described the diversity of the (18)F-FDG PET/CT findings of this entity. Malignant primary musculoskeletal tumors are typically (18)F-FDG avid, whereas low-grade malignant tumors show mild uptake. Benign musculoskeletal tumors generally show a faint uptake of (18)F-FDG, and tumor-like conditions also display various uptake patterns of (18)F-FDG...
June 5, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28572462/development-and-reliability-of-a-preliminary-foot-osteoarthritis-magnetic-resonance-imaging-score
#9
Jill Halstead, Carmen Martín-Hervás, Elizabeth M A Hensor, Dennis McGonagle, Anne-Maree Keenan, Anthony C Redmond, Philip G Conaghan
OBJECTIVE: Foot osteoarthritis (OA) is very common but underinvestigated musculoskeletal condition and there is little consensus as to common magnetic resonance imaging (MRI) features. The aim of this study was to develop a preliminary foot OA MRI score (FOAMRIS) and evaluate its reliability. METHODS: This preliminary semiquantitative score included the hindfoot, midfoot, and metatarsophalangeal joints. Joints were scored for joint space narrowing (JSN; 0-3), osteophytes (0-3), joint effusion/synovitis, and bone cysts (present/absent)...
June 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28570126/second-and-third-metatarsophalangeal-plantar-plate-tears-diagnostic-performance-of-direct-and-indirect-mri-features-using-surgical-findings-as-the-reference-standard
#10
André Fukunishi Yamada, Michel D Crema, Caio Nery, Daniel Baumfeld, Tania Szejnfeld Mann, Abdalla Y Skaf, Artur da Rocha Correa Fernandes
OBJECTIVE: The objective of our study was to assess the diagnostic performance and associations of the direct and indirect MRI features of the metatarsophalangeal (MTP) joint that are thought to be related to tears of the plantar plate (PP) using surgical findings as the reference standard. MATERIALS AND METHODS: We retrospectively included 23 patients with symptomatic instability of lesser MTP joints who had undergone preoperative 1.5-T MRI and surgical assessment...
June 1, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28508769/diagnostic-difficulties-in-bone-sarcoidosis-imaging-a-cases-study
#11
Katarzyna Błasińska-Przerwa, Anna Krychniak-Soszka, Małgorzata E Jędrych, Jakub Ptak, Lucyna Opoka
Sarcoidosis is a multiorgan inflammatory disease that rarely involves the musculoskeletal system. A typical radiographic presentation is only noted with phalangeal lesions in the hands and feet, and other skeletal sites of sarcoidosis are a diagnostic imaging challenge [1]. We describe two cases of patients with sarcoidosis in whom pathologic bone marrow lesions were diagnosed on MRI scans. The magnetic resonance findings were non-specific and metastatic lesions or multiple myeloma were suspected. The case analysis serves to point to limitations of imaging studies in diagnosing bone sarcoidosis and underline the importance of cooperation between the radiologist and the clinician...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28488127/imaging-of-the-coracoglenoid-ligament-a-third-ligament-in-the-rotator-interval-of-the-shoulder
#12
Marcello Zappia, Alessandro Castagna, Antonio Barile, Vito Chianca, Luca Brunese, Nicole Pouliart
OBJECTIVE: The coracoglenoid ligament (CGL) forms part of the anterosuperior capsuloligamentous complex of the shoulder. Although it has received attention in the anatomical literature, it has not been investigated on imaging. The purpose of this study is to determine the percentage value and the interobserver agreement of identification and classification of the CGL on MR and MR arthrography (MRA) imaging. MATERIALS AND METHODS: Retrospectively, 280 MR and 150 MRA examinations were evaluated for detection of the CGL by two musculoskeletal radiologists...
August 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28474576/imaging-review-of-lipomatous-musculoskeletal-lesions
#13
Ashley M Burt, Brady K Huang
Lipomatous lesions are common musculoskeletal lesions that can arise within the soft tissues, bone, neurovascular structures, and synovium. The majority of these lesions are benign, and many of the benign lesions can be diagnosed by radiologic evaluation. However, radiologic differences between benign and malignant lipomatous lesions may be subtle and pathologic correlation is often needed. The use of sonography, computed tomography (CT), and magnetic resonance imaging (MRI) is useful not only in portraying fat within the lesion, but also for evaluating the presence and extent of soft tissue components...
2017: SICOT-J
https://www.readbyqxmd.com/read/28473089/acr-appropriateness-criteria-%C3%A2-suspected-osteomyelitis-septic-arthritis-or-soft-tissue-infection-excluding-spine-and-diabetic-foot
#14
Francesca D Beaman, Paul F von Herrmann, Mark J Kransdorf, Ronald S Adler, Behrang Amini, Marc Appel, Erin Arnold, Stephanie A Bernard, Bennett S Greenspan, Kenneth S Lee, Michael J Tuite, Eric A Walker, Robert J Ward, Daniel E Wessell, Barbara N Weissman
Infection of the musculoskeletal system is a common clinical problem. Differentiating soft tissue from osseous infection often determines the appropriate clinical therapeutic course. Radiographs are the recommend initial imaging examination, and although often not diagnostic in acute osteomyelitis, can provide anatomic evaluation and alternative diagnoses influencing subsequent imaging selection and interpretation. MRI with contrast is the examination of choice for the evaluation of suspected osteomyelitis, and MRI, CT, and ultrasound can all be useful in the diagnosis of soft tissue infection...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28473086/acr-appropriateness-criteria-%C3%A2-stress-fatigue-insufficiency-fracture-including-sacrum-%C3%A2-excluding-other-vertebrae
#15
Jenny T Bencardino, Taylor J Stone, Catherine C Roberts, Marc Appel, Steven J Baccei, R Carter Cassidy, Eric Y Chang, Michael G Fox, Bennett S Greenspan, Soterios Gyftopoulos, Mary G Hochman, Jon A Jacobson, Douglas N Mintz, Gary W Mlady, Joel S Newman, Zehava S Rosenberg, Nehal A Shah, Kirstin M Small, Barbara N Weissman
Stress fractures, including both fatigue and insufficiency types, are frequently encountered in clinical practice as a source of pain in both athletes and patients with predisposing conditions. Radiography is the imaging modality of choice for baseline diagnosis. MRI has greatly improved our ability to diagnose radiographically occult stress fractures. Tc-99m bone scan and CT may also be useful as diagnostic tools. Although fatigue and insufficiency fractures can be self-limited and go onto healing even without diagnosis, there is usually value in initiating prompt therapeutic measures as incomplete stress fractures have the potential of progressing to completion and requiring more invasive treatment or delay in return to activity...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28471537/orientation-changes-in-the-cruciate-ligaments-of-the-knee-during-skeletal-growth-a-porcine-model
#16
Stephanie G Cone, Sean G Simpson, Jorge A Piedrahita, Lynn A Fordham, Jeffrey T Spang, Matthew B Fisher
Musculoskeletal injuries in pediatric patients are on the rise, including significant increases in anterior cruciate ligament (ACL) injuries. Previous studies have found major anatomical changes during skeletal growth in the soft tissues of the knee. Specifically, the ACL and the posterior cruciate ligament (PCL) change in their relative orientation to the tibial plateau throughout growth. In order to develop age-specific treatments for ACL injuries, the purpose of this study was to characterize orientation changes in the cruciate ligaments of the Yorkshire pig, a common pre-clinical model, during skeletal growth in order to verify the applicability of this model for pediatric musculoskeletal studies...
May 4, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28465025/clinical-history-provided-by-referring-clinicians-and-patients-for-musculoskeletal-mri
#17
Derik L Davis, Michael E Mulligan, Arie Moszkowicz, Charles S Resnik
No abstract text is available yet for this article.
April 29, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28463534/incidence-and-detection-of-meniscal-ramp-lesions-on-magnetic-resonance-imaging-in-patients-with-anterior-cruciate-ligament-reconstruction
#18
Nicholas N DePhillipo, Mark E Cinque, Jorge Chahla, Andrew G Geeslin, Lars Engebretsen, Robert F LaPrade
BACKGROUND: Meniscal ramp lesions have been reported to be present in 9% to 17% of patients undergoing anterior cruciate ligament (ACL) reconstruction. Detection at the time of arthroscopy can be accomplished based on clinical suspicion and careful evaluation. Preoperative assessment via magnetic resonance imaging (MRI) has been reported to have a low sensitivity in identifying meniscal ramp lesions. PURPOSE: To investigate the incidence of meniscal ramp lesions in patients with ACL tears and the sensitivity of preoperative MRI for the detection of ramp lesions...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448863/multi-sited-hydatid-cystic-disease-with-muscular-involvement-in-a-young-female-a-case-report-from-syria
#19
Hazem Aljasem, Mohammad Almess, Monzer Bakgagi
INTRODUCTION: Hydatidosis is a unique disease caused by a tapeworm called Echinococcus granulosus. Musculoskeletal involvement with hydatid cystic disease accounts for less than 5% of all cases. The main purpose of this study is to present a case of multi-sited hydatid cystic disease and how to manage it. PRESENTATION OF CASE: Here we present a case of 14-year-old girl complained of a gradually enlarging mass on her left shoulder with a final diagnosis of triple-sited hydatid cystic disease including the right lung, the left trapezius muscle and the liver...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28441370/conventional-modalities-and-novel-emerging-imaging-techniques-for-musculoskeletal-tumors
#20
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
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