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Musculoskeletal MRI

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https://www.readbyqxmd.com/read/28203595/acute-gastrocnemius-soleus-complex-injuries-in-national-football-league-athletes
#1
Brian C Werner, Nicole S Belkin, Steve Kennelly, Leigh Weiss, Ronnie P Barnes, Hollis G Potter, Russell F Warren, Scott A Rodeo
BACKGROUND: Lower extremity muscle injuries are common in professional football. Although less common than hamstring or quadriceps injuries in National Football League (NFL) athletes, calf injuries occur with relative frequency and have not previously been studied. PURPOSE: To evaluate gastrocnemius-soleus complex muscle injuries over the past 13 years from a single NFL team to determine the incidence of such injuries, their imaging characteristics, and return to play after such injuries and any correlation between imaging findings and prolonged return to play...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28196474/biodegradable-magnesium-herbert-screw-image-quality-and-artifacts-with-radiography-ct-and-mri
#2
Lena Sonnow, Sören Könneker, Peter M Vogt, Frank Wacker, Christian von Falck
BACKGROUND: Magnesium alloys have recently been rediscovered as biodegradable implants in musculoskeletal surgery. This study is an ex-vivo trial to evaluate the imaging characteristics of magnesium implants in different imaging modalities as compared to conventional metallic implants. METHODS: A CE-approved magnesium Herbert screw (MAGNEZIX®) and a titanium screw of the same dimensions (3.2x20 mm) were imaged using different modalities: digital radiography (DX), multidetector computed tomography (MDCT), high resolution flat panel CT (FPCT) and magnetic resonance imaging (MRI)...
February 14, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28188484/estimation-of-attachment-regions-of-hip-muscles-in-ct-image-using-muscle-attachment-probabilistic-atlas-constructed-from-measurements-in-eight-cadavers
#3
Norio Fukuda, Yoshito Otake, Masaki Takao, Futoshi Yokota, Takeshi Ogawa, Keisuke Uemura, Ryota Nakaya, Kazunori Tamura, Robert B Grupp, Amirhossein Farvardin, Mehran Armand, Nobuhiko Sugano, Yoshinobu Sato
PURPOSE: Patient-specific musculoskeletal biomechanical simulation is useful in preoperative surgical planning and postoperative assessment in orthopedic surgery and rehabilitation medicine. A difficulty in application of the patient-specific musculoskeletal modeling comes from the fact that the muscle attachment regions are typically invisible in CT and MRI. Our purpose is to develop a method for estimating patient-specific muscle attachment regions from 3D medical images and to validate with cadaver experiments...
February 10, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28188338/characterisation-of-musculoskeletal-tumours-by-multivoxel-proton-mr-spectroscopy
#4
Ruchi S Patni, Deb K Boruah, Shantiranjan Sanyal, Bidyut B Gogoi, Maninder Patni, Rosy Khandelia, Nripen Gogoi
OBJECTIVE: The purpose of this study is to evaluate the role of multi-voxel proton MR spectroscopy in differentiating benign and malignant musculoskeletal tumours in a more objective way and to correlate the MRS data parameters with histopathology. METHODS AND MATERIALS: A hospital-based prospective study was carried out comprising 42 patients who underwent MRI examinations from 1 July 2013 to 30 June 2014. After routine sequences, single-slice multi-voxel proton MR spectroscopy was included at TE-135 using the PRESS sequence...
April 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28174189/sternal-stress-fracture-in-a-middle-aged-woman
#5
Justin Lee, Karl Bertrand Fields
A middle-aged premenopausal woman presented with 3 months of right chest wall pain after beginning a new weight training programme. Examination was significant only for mild-to-moderate tenderness to palpation over the right pectoral muscle and sternoclavicular joint. In-office musculoskeletal ultrasound scan, chest X-ray and shoulder X-rays were unremarkable. Subsequent MRI of the chest wall showed oedema in the sternum at the level of the sternoclavicular joint consistent with a sternal stress fracture...
February 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28161721/focal-uptake-at-the-rotator-interval-or-inferior-capsule-of-shoulder-on-18-f-fdg-pet-ct-is-associated-with-adhesive-capsulitis
#6
Radhika Sridharan, Mitchell Philip Engle, Naveen Garg, Wei Wei, Behrang Amini
OBJECTIVE: To determine if focal increased uptake at the rotator interval (RI) and/or inferior capsule (IC) on(18)F-FDG PET/CT ("positive PET") predicts the presence of adhesive capsulitis (AC). MATERIALS AND METHODS: Three populations were retrospectively examined. Group 1 included 1,137 consecutive (18)F-FDG PET/CT studies and was used to determine the prevalence of focal uptake at the RI or IC. Group 2 included 361 cases from a 10-year period with (18)F-FDG PET/CT and MRI of shoulder performed within 45 days of each other and was used to enrich the study group...
February 4, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28155840/osteitis-in-the-course-of-pyodema-gangrenosum-case-raport
#7
Andrzej Kaźmierczak-Koćwin, Robert Pieczyrak, Damian Kusz, Eugeniusz Kucharz, Marcin Kusz
We present the case of a male patient admitted to the Department of Orthopaedics and Musculoskeletal Traumatology, Medical University of Silesia (MUS) in Katowice, due to a right hindfoot abscess with calcaneal infiltration and pain in the forehead and the back, with evidence of local inflammation. The patient had a history of ulcerative colitis and sclerosing cholangitis was suspected. During the hospital stay, the patient underwent calcaneal CT, surgery (resection of an inflammatory focus) and MRI of the thoracic and lumbosacral spine, which revealed inflamed spinous processes of the Th10, Th11 and Th12 vertebrae...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28144827/biomarkers-for-musculoskeletal-pain-conditions-use-of-brain-imaging-and-machine-learning
#8
REVIEW
Jeff Boissoneault, Landrew Sevel, Janelle Letzen, Michael Robinson, Roland Staud
Chronic musculoskeletal pain condition often shows poor correlations between tissue abnormalities and clinical pain. Therefore, classification of pain conditions like chronic low back pain, osteoarthritis, and fibromyalgia depends mostly on self report and less on objective findings like X-ray or magnetic resonance imaging (MRI) changes. However, recent advances in structural and functional brain imaging have identified brain abnormalities in chronic pain conditions that can be used for illness classification...
January 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28143497/gait-disorders-in-the-elderly-and-dual-task-gait-analysis-a-new-approach-for-identifying-motor-phenotypes
#9
Bernard Auvinet, Claude Touzard, François Montestruc, Arnaud Delafond, Vincent Goeb
BACKGROUND: Gait disorders and gait analysis under single and dual-task conditions are topics of great interest, but very few studies have looked for the relevance of gait analysis under dual-task conditions in elderly people on the basis of a clinical approach. METHODS: An observational study including 103 patients (mean age 76.3 ± 7.2, women 56%) suffering from gait disorders or memory impairment was conducted. Gait analysis under dual-task conditions was carried out for all patients...
January 31, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28140650/comparison-of-a-fast-5-minute-shoulder-mri-protocol-with-a-standard-shoulder-mri-protocol-a-multiinstitutional-multireader-study
#10
Naveen Subhas, Alex Benedick, Nancy A Obuchowski, Joshua M Polster, Luis S Beltran, Jean Schils, Gina A Ciavarra, Soterios Gyftopoulos
OBJECTIVE: The purpose of this study was to compare the diagnostic performance of a 5-minute shoulder MRI protocol consisting of multiplanar 2D fast spin-echo (FSE) sequences with parallel imaging to that of a standard shoulder MRI protocol. MATERIALS AND METHODS: A retrospective review of 151 3-T MRI examinations of shoulders of 147 patients (mean age, 46.95 years) and 50 1.5-T MRI examinations of shoulders of 50 patients (mean age, 53.74 years) with four fast and five standard sequences from two academic centers between January 2014 and April 2015 was performed by three musculoskeletal radiologists...
January 31, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28131608/anatomic-relationship-and-imaging-relevance-of-the-perforating-branches-of-the-peroneal-vessels-to-the-anterior-talofibular-ligament
#11
Yara Younan, Matthew Uriell, Walter Carpenter, Monica Umpierrez, Aparna Kakarala, Jean Jose, Douglas D Robertson, Ty K Subhawong, Adam Daniel Singer
BACKGROUND: Patients frequently present to the emergency department after ankle injuries, and the anterior talofibular ligament (ATFL) is commonly damaged. Musculoskeletal ultrasound (US) can help to make a rapid diagnosis. There is a paucity of literature describing techniques to image the ATFL with US, and the complex ankle anatomy and potential pitfalls make imaging challenging. OBJECTIVE: Our aim was to estimate prevalence of perforating branches (PBs) of the peroneal vessels and determine their most frequent position relative to the ATFL...
January 25, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28126317/predicting-intertrochanteric-extension-of-greater-trochanter-fractures-of-the-hip-on-plain-radiographs
#12
Rizwan Arshad, Osman Riaz, Adeel Aqil, Nikhil Bhuskute, Sudhi Ankarath
INTRODUCTION: It is important to distinct between isolated greater trochanter (GT) fractures and complete intertrochanteric (IT) extension to prevent unwanted morbidities. Aim of this study was to determine if there was any particular fracture pattern, of GT fractures on a plain radiograph of the hip which could predict IT extension. METHOD: Retrospective review of radiographs of 49 patients with a GT fracture who presented in the last 10 years (January 2005-December 2015)...
January 16, 2017: Injury
https://www.readbyqxmd.com/read/28116271/intraosseous-lipoma-of-the-proximal-radius-with-extra-osseous-extension-leading-to-posterior-interosseous-nerve-compression-hrus-diagnosis
#13
S Narayan, V Verma Ahluwalia, P Singh Saharan, A Kumar Gupta
INTRODUCTION: Benign musculoskeletal lipomatous lesions are common in both soft tissue and bone. Imaging features of benign lipomatous lesions are often pathognomonic. Ultrasound (US) has been used to examine both soft tissue and bone tumors, allowing targeted CT or MRI examination of the region of interest. CASE REPORT: A 46-year-old female presented with a four year history of palpable mass lesion just below the lateral aspect of right elbow with clinical evidence of posterior interosseous nerve compression...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28096718/diffuse-large-b-cell-lymphoma-in-the-era-of-precision-oncology-how-imaging-is-helpful
#14
REVIEW
Hina J Shah, Abhishek R Keraliya, Jyothi P Jagannathan, Sree Harsha Tirumani, Vikram R Lele, Pamela J DiPiro
Diffuse large B cell lymphoma (DLBCL) is the most common histological subtype of Non-Hodgkin's lymphoma. As treatments continues to evolve, so do imaging strategies, and positron emission tomography (PET) has emerged as the most important imaging tool to guide oncologists in the diagnosis, staging, response assessment, relapse/recurrence detection,and therapeutic decision making of DLBCL. Other imaging modalities including magnetic resonance imaging (MRI), computed tomography (CT), ultrasound, and conventional radiography are also used in the evaluation of lymphoma...
January 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28093618/mri-assessment-of-calf-injuries-in-australian-football-league-players-findings-that-influence-return-to-play
#15
George Waterworth, Sara Wein, Alexandra Gorelik, Andrew H Rotstein
OBJECTIVE: Calf muscle strains have become increasingly prevalent in recent seasons of the Australian Football League (AFL) and represent a significant cause of time lost from competition. The purpose of this study was to examine the association between MRI features of calf muscle strains and games missed and to thereby identify parameters that are of prognostic value. MATERIALS AND METHODS: A retrospective analysis of MRI scans of AFL players with calf strains referred to a musculoskeletal radiology clinic over a 5-year period (2008-2012) was performed...
January 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28091699/musculoskeletal-mri-findings-of-juvenile-localized-scleroderma
#16
Eric P Eutsler, Daniel B Horton, Monica Epelman, Terri Finkel, Lauren W Averill
BACKGROUND: Juvenile localized scleroderma comprises a group of autoimmune conditions often characterized clinically by an area of skin hardening. In addition to superficial changes in the skin and subcutaneous tissues, juvenile localized scleroderma may involve the deep soft tissues, bones and joints, possibly resulting in functional impairment and pain in addition to cosmetic changes. OBJECTIVE: There is literature documenting the spectrum of findings for deep involvement of localized scleroderma (fascia, muscles, tendons, bones and joints) in adults, but there is limited literature for the condition in children...
January 14, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28090451/potential-of-pet-mri-for-imaging-of-non-oncologic-musculoskeletal-disease
#17
REVIEW
Feliks Kogan, Audrey P Fan, Garry E Gold
Early detection of musculoskeletal disease leads to improved therapies and patient outcomes, and would benefit greatly from imaging at the cellular and molecular level. As it becomes clear that assessment of multiple tissues and functional processes are often necessary to study the complex pathogenesis of musculoskeletal disorders, the role of multi-modality molecular imaging becomes increasingly important. New positron emission tomography-magnetic resonance imaging (PET-MRI) systems offer to combine high-resolution MRI with simultaneous molecular information from PET to study the multifaceted processes involved in numerous musculoskeletal disorders...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28090448/quantitative-techniques-for-musculoskeletal-mri-at-7-tesla
#18
REVIEW
Neal K Bangerter, Meredith D Taylor, Grayson J Tarbox, Antony J Palmer, Daniel J Park
Whole-body 7 Tesla MRI scanners have been approved solely for research since they appeared on the market over 10 years ago, but may soon be approved for selected clinical neurological and musculoskeletal applications in both the EU and the United States. There has been considerable research work on musculoskeletal applications at 7 Tesla over the past decade, including techniques for ultra-high resolution morphological imaging, 3D T2 and T2* mapping, ultra-short TE applications, diffusion tensor imaging of cartilage, and several techniques for assessing proteoglycan content in cartilage...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28090447/quantitative-sodium-magnetic-resonance-imaging-of-cartilage-muscle-and-tendon
#19
REVIEW
Neal K Bangerter, Grayson J Tarbox, Meredith D Taylor, Joshua D Kaggie
Sodium magnetic resonance imaging (MRI), or imaging of the 23Na nucleus, has been under exploration for several decades, and holds promise for potentially revealing additional biochemical information about the health of tissues that cannot currently be obtained from conventional hydrogen (or proton) MRI. This additional information could serve as an important complement to conventional MRI for many applications. However, despite these exciting possibilities, sodium MRI is not yet used routinely in clinical practice, and will likely remain strictly in the domain of exploratory research for the coming decade...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28087191/alterations-of-brain-activity-in-fibromyalgia-patients
#20
REVIEW
Passakorn Sawaddiruk, Sahattaya Paiboonworachat, Nipon Chattipakorn, Siriporn C Chattipakorn
Fibromyalgia is a chronic pain syndrome, characterized by widespread musculoskeletal pain with diffuse tenderness at multiple tender points. Despite intense investigations, the pathophysiology of fibromyalgia remains elusive. Evidence shows that it could be due to changes in either the peripheral or central nervous system (CNS). For the CNS changes, alterations in the high brain area of fibromyalgia patients have been investigated but the definite mechanisms are still unclear. Magnetic Resonance Imaging (MRI) and Functional Magnetic Resonance (fMRI) have been used to gather evidence regarding the changes of brain morphologies and activities in fibromyalgia patients...
January 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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