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Musculoskeletal MRI

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https://www.readbyqxmd.com/read/29453618/lumbosacral-transitional-vertebrae-significance-of-local-bone-marrow-edema-at-the-transverse-processes
#1
Mika T Nevalainen, Eoghan McCarthy, William B Morrison, Adam C Zoga, Johannes B Roedl
OBJECTIVE: To evaluate the association between low back pain and bone marrow edema in lumbosacral transitional vertebra (LSTV) transverse processes, and to assess the prevalence of LSTV in a physically active population. MATERIALS AND METHODS: Individuals with LSTV on coronal MRI studies were identified in a retrospective review by keyword search from PACS. In total, 140 cases were reviewed by two fellowship-trained musculoskeletal radiologists. Data on associated low back pain were collected from patient records at the time of the imaging...
February 16, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29442350/occult-phosphaturic-mesenchymal-tumor-of-femur-cortex-causing-oncogenic-osteomalacia-diagnostic-challenges-and-clinical-outcomes
#2
Deep Dutta, Raghuvansh Kumar Pandey, Rakhee Gogoi, Nagender Solanki, Renu Madan, Anupam Mondal, Shruti Dogra, Pradeep Thapa
BACKGROUND: Tumor induced osteomalacia (TIO) are extremely rare paraneoplastic syndrome with less than 300 reported cases. This report highlights the pitfalls and challenges in diagnosing and localizing TIO in patients with refractory and resistant osteomalacia. PATIENT AND METHODS: 41- year gentleman with 4-year history of musculoskeletal weakness and pathologic fractures presented in wheelchair bound incapacitated state of 1-year duration. Investigations were significant for severe hypophosphatemia, severe phosphaturia, normal serum calcium, reduced 1,25-dihydroxy vitamin-D, elevated ALP, elevated intact parathyroid hormone (iPTH), and pseudo-fractures involving pelvis and bilateral femur...
February 14, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29440209/to-what-extent-do-hospitalised-patients-receive-appropriate-ct-and-mri-scans-results-of-a-cross-sectional-study-in-southern-italy
#3
Aida Bianco, Rossella Zucco, Francesca Lotito, Maria Pavia
OBJECTIVES: The aim of this study was to assess the frequency of appropriateness of inpatient CT and MRI scans performed in Southern Italy. METHODS: The study was carried out by retrospectively reviewing medical records of adult patients admitted between 1 January and 31 December 2012 in two hospitals. The evaluation of appropriateness was performed according to the American College of Radiology Appropriateness Criteria, which assigns a score between 1 and 9. RESULTS: Eight hundred and fifty-three medical records were reviewed...
February 12, 2018: BMJ Open
https://www.readbyqxmd.com/read/29427175/martin-vahlensieck-maximilian-reiser-mri-of-the-musculoskeletal-system-thieme-stuttgart-new-york-delhi-rio-de-janeiro-2018-677-p-format-23-5%C3%A2-%C3%A3-%C3%A2-31-5%C3%A2-cm-2062-illustrations-isbn-978-3-13-1165725-eisbn-978-3-13-1607928
#4
https://www.readbyqxmd.com/read/29426957/mri-of-pectoralis-major-tears-association-between-ancillary-findings-and-tear-severity
#5
Ivan R B Godoy, Edgar L Martinez-Salazar, F Joseph Simeone, Miriam A Bredella, William E Palmer, Martin Torriani
OBJECTIVE: To evaluate the significance of biceps tendon (BT) displacement and peri-bicipital hematoma on MRI in subjects with pectoralis major (PM) tears. We hypothesized that these features might be associated with tear severity at surgery. MATERIALS AND METHODS: We retrospectively identified MRI cases with PM injury and reviewed clinical, imaging, and surgical records. MR images were reviewed independently by two musculoskeletal radiologists to determine anterior displacement of BT (BT-disp, in mm) and the presence of triangular-shaped peri-bicipital hematoma...
February 9, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29406414/pediatric-musculoskeletal-interventional-mri
#6
Roberto Blanco Sequeiros, Juha-Jaakko Sinikumpu, Risto Ojala, Jyri Järvinen, Jan Fritz
Minimally invasive procedures play a crucial role in the diagnosis and treatment of many pediatric musculoskeletal conditions. Although computed tomography and fluoroscopy are commonly used for image guidance, the associated exposure to ionizing radiation is especially concerning in pediatric patients. Ultrasonography may be used successfully in a subset of interventions, but it is often not useful for complex, deep, and osseous targets. Interventional magnetic resonance imaging (iMRI) facilitates targeting and treatment of musculoskeletal lesions at many locations with high accuracy due to its excellent tissue contrast...
February 2018: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/29395674/specific-muscle-strength-is-reduced-in-facioscapulohumeral-dystrophy-an-mri-based-musculoskeletal-analysis
#7
Marco A Marra, Linda Heskamp, Karlien Mul, Saskia Lassche, Baziel G M van Engelen, Arend Heerschap, Nico Verdonschot
The aim was to test whether strength per unit of muscle area (specific muscle strength) is affected in facioscapulohumeral dystrophy (FSHD) patients, as compared to healthy controls. Ten patients and ten healthy volunteers underwent an MRI examination and maximum voluntary isometric contraction measurements (MVICs) of the quadriceps muscles. Contractile muscle volume, as obtained from the MR images, was combined with the MVICs to calculate the physiological cross-sectional area (PCSA) and muscle strength using a musculoskeletal model...
December 12, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/29395552/patellofemoral-cartilage-lesions-treated-with-particulated-juvenile-allograft-cartilage-a-prospective-study-with-minimum-2-year-clinical-and-magnetic-resonance-imaging-outcomes
#8
Tim Wang, Nicole S Belkin, Alissa J Burge, Brenda Chang, Mollyann Pais, Gregory Mahony, Riley J Williams
PURPOSE: To analyze the functional outcomes of patients treated with particulated juvenile articular cartilage (PJAC) for symptomatic articular cartilage lesions in the patellofemoral joint, correlates clinical outcomes with magnetic resonance imaging (MRI) appearance of the repair tissue using cartilage-sensitive quantitative T2-mapping. METHODS: All patients treated with PJAC for patellofemoral lesions were identified and prospectively followed with clinical outcome scores (International Knee Documentation Committee [IKDC], Knee Outcome Survey-Activities of Daily Living [KOS-ADL], and Marx Activity Scale [MAS])...
January 29, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29389760/validating-an-algorithm-to-predict-adjacent-musculoskeletal-infections-in-pediatric-patients-with-septic-arthritis
#9
Benjamin D Welling, Lee S Haruno, Scott B Rosenfeld
BACKGROUND: Septic arthritis is frequently associated with adjacent infections including osteomyelitis and subperiosteal and intramuscular abscesses. While often clinically indiscernible from isolated septic arthritis, the diagnosis of adjacent infections is important in determining the need for additional surgical intervention. MRI has been used as the diagnostic gold standard for assessing adjacent infection. Routine MRI, however, can be resource-intensive and delay surgical treatment...
January 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29373209/automated-radiology-pathology-module-correlation-using-a-novel-report-matching-algorithm-by-organ-system
#10
Bari Dane, Ankur Doshi, Soterios Gfytopoulos, Priya Bhattacharji, Michael Recht, William Moore
OBJECTIVES AND RATIONALE: Radiology-pathology correlation is time-consuming and is not feasible in most clinical settings, with the notable exception of breast imaging. The purpose of this study was to determine if an automated radiology-pathology report pairing system could accurately match radiology and pathology reports, thus creating a feedback loop allowing for more frequent and timely radiology-pathology correlation. METHODS: An experienced radiologist created a matching matrix of radiology and pathology reports...
January 17, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29356895/management-of-spinal-infection-a-review-of-the-literature
#11
REVIEW
Sara Lener, Sebastian Hartmann, Giuseppe M V Barbagallo, Francesco Certo, Claudius Thomé, Anja Tschugg
Spinal infection (SI) is defined as an infectious disease affecting the vertebral body, the intervertebral disc, and/or adjacent paraspinal tissue and represents 2-7% of all musculoskeletal infections. There are numerous factors, which may facilitate the development of SI including not only advanced patient age and comorbidities but also spinal surgery. Due to the low specificity of signs, the delay in diagnosis of SI remains an important issue and poor outcome is frequently seen. Diagnosis should always be supported by clinical, laboratory, and imaging findings, magnetic resonance imaging (MRI) remaining the most reliable method...
January 22, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29356792/mri-is-better-than-ct-scan-for-detection-of-structural-pathologies-after-traumatic-posterior-hip-dislocations-in-children-and-adolescents
#12
Songkiat Thanacharoenpanich, Sarah Bixby, Michael A Breen, Young-Jo Kim
BACKGROUND: Traumatic posterior hip dislocations in children and adolescents requires emergent closed reduction. Postreduction imaging is necessary to assess the concentricity of reduction and structural injuries to the hip. There is no a consensus for which imaging is a modality of choice in such condition. The purposes of this study are to describe magnetic resonance imaging (MRI) findings of traumatic posterior hip dislocations and to compare the effectiveness of MRI with computerized tomography (CT) in detecting structural abnormalities of the hip that impact patient management...
January 19, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29354166/adult-onset-hypophosphatasia-diagnosed-following-bilateral-atypical-femoral-fractures-in-a-55-year-old-woman
#13
John E Lawrence, Danish Saeed, Jonathan Bartlett, Andrew D Carrothers
We report the case of a 55-year-old woman who presented to the emergency department having woken from sleep with right sided thigh swelling. Pelvic radiographs revealed bilateral atypical subtrochanteric femoral fractures (ASFFs). In the two years leading up to this admission, the patient had experienced gradually increasing pain and weakness in her legs which had resulted in a decrease in her mobility from fully mobile to bed-bound. During this time a neurologist had organised a magnetic-resonance imaging (MRI) scan of the brain and spine which was normal...
September 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/29352123/tumor-tissue-detection-using-blood-oxygen-level-dependent-functional-mri-based-on-independent-component-analysis
#14
Huiyuan Huang, Junfeng Lu, Jinsong Wu, Zhongxiang Ding, Shuda Chen, Lisha Duan, Jianling Cui, Fuyong Chen, Dezhi Kang, Le Qi, Wusi Qiu, Seong-Whan Lee, ShiJun Qiu, Dinggang Shen, Yu-Feng Zang, Han Zhang
Accurate delineation of gliomas from the surrounding normal brain areas helps maximize tumor resection and improves outcome. Blood-oxygen-level-dependent (BOLD) functional MRI (fMRI) has been routinely adopted for presurgical mapping of the surrounding functional areas. For completely utilizing such imaging data, here we show the feasibility of using presurgical fMRI for tumor delineation. In particular, we introduce a novel method dedicated to tumor detection based on independent component analysis (ICA) of resting-state fMRI (rs-fMRI) with automatic tumor component identification...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29350638/weight-bearing-mri-of-the-knee-a-review-of-advantages-and-limits
#15
Federico Bruno, Antonio Barile, Francesco Arrigoni, Antonella Laporta, Anna Russo, Marina Carotti, Alessandra Splendiani, Ernesto Di Cesare, Carlo Masciocchi
Standard knee imaging with MRI is usually performed with patient in recumbent position under non-weight-bearing conditions. Recently, magnetic resonance imaging systems to scan the knee joint under weight bearing conditions has been proposed as an approach to improve the clinical utility of musculoskeletal MRI. Imaging under loading can be useful to understand the natural motion behavior of the knee joint and to identify conditions that are challenging to diagnose by using standard position. We reviewed the literature on weight-bearing MR imaging of the knee to describe the current state of use of such MRI technologies, evaluating the advantages and the potential limitations of these technologies...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350634/mri-of-popliteo-meniscal-fasciculi-of-the-knee-a-pictorial-review
#16
Marcello Zappia, Alfonso Reginelli, Vito Chianca, Michela Carfora, Francesco Di Pietto, Germano Iannella, Pier Paolo Mariani, Mariano Di Salvatore, Silvia Bartollino, Nicola Maggialetti, Salvatore Cappabianca, Luca Brunese
The popliteomeniscal fascicules (PMFs) provide the attachment of the lateral meniscus to the popliteus musculotendinous region, forming the floor and the roof the popliteal hiatus. In the second half of 1900's, some anatomic studies claim the important function of the PMF as stabilizers of the lateral meniscus; these anatomical structures work in conjunction with the popliteus musculotendinous unit to prevent excessive lateral meniscal movement and possible meniscus subluxation. A correct diagnosis of the PMFs pathology is crucial to establish the suitable surgical treatment for each patient...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350325/evaluation-and-management-of-rotator-cuff-tears-a-primary-care-perspective
#17
REVIEW
Ross Mathiasen, Christopher Hogrefe
PURPOSE OF REVIEW: To provide a primary care perspective regarding the evaluation and management of shoulder pain and rotator cuff tears. RECENT FINDINGS: In the primary care setting, rotator cuff pathology is commonly encountered. Information regarding the risks of oral medications for the management of the associated pain keeps mounting. Partial-thickness rotator cuff tears remain difficult to diagnose with a single imaging modality. Musculoskeletal education in medical schools and non-orthopaedic residency and fellowship training programs continues to be an area for additional improvement...
January 19, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29342058/mri-evaluation-of-repaired-versus-unrepaired-interportal-capsulotomy-in-simultaneous-bilateral-hip-arthroscopy-a-double-blind-randomized-controlled-trial
#18
Colin D Strickland, Matthew J Kraeutler, Matthew J Brick, Tigran Garabekyan, Jason T K Woon, Vivek Chadayammuri, Omer Mei-Dan
BACKGROUND: Techniques used in hip arthroscopy continue to evolve, and controversy surrounds the need for capsular repair following this surgical intervention. The purpose of this study was to evaluate the magnetic resonance imaging (MRI) appearance of the hip capsule in patients with femoroacetabular impingement (FAI) who underwent simultaneous bilateral hip arthroscopy through an interportal capsulotomy with each hip randomized to undergo capsular repair or not undergo such a repair...
January 17, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29331208/wrist-a-wrist-image-segmentation-toolkit-for-carpal-bone-delineation-from-mri
#19
Brent Foster, Anand A Joshi, Marissa Borgese, Yasser Abdelhafez, Robert D Boutin, Abhijit J Chaudhari
Segmentation of the carpal bones from 3D imaging modalities, such as magnetic resonance imaging (MRI), is commonly performed for in vivo analysis of wrist morphology, kinematics, and biomechanics. This crucial task is typically carried out manually and is labor intensive, time consuming, subject to high inter- and intra-observer variability, and may result in topologically incorrect surfaces. We present a method, WRist Image Segmentation Toolkit (WRIST), for 3D semi-automated, rapid segmentation of the carpal bones of the wrist from MRI...
December 28, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/29322877/topographical-variation-of-human-femoral-articular-cartilage-thickness-t1rho-and-t2-relaxation-times-is-related-to-local-loading-during-walking
#20
Sam Van Rossom, Mariska Wesseling, Dieter Van Assche, Ilse Jonkers
Objective Early detection of degenerative changes in the cartilage matrix composition is essential for evaluating early interventions that slow down osteoarthritis (OA) initiation. T1rho and T2 relaxation times were found to be effective for detecting early changes in proteoglycan and collagen content. To use these magnetic resonance imaging (MRI) methods, it is important to document the topographical variation in cartilage thickness, T1rho and T2 relaxation times in a healthy population. As OA is partially mechanically driven, the relation between these MRI-based parameters and localized mechanical loading during walking was investigated...
January 1, 2018: Cartilage
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