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Musculoskeletal imaging

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https://www.readbyqxmd.com/read/28212666/classical-hodgkin-lymphoma-masquerading-as-chronic-recurrent-multifocal-osteomyelitis-a-case-report
#1
Michael Pham, Steven Ressler, Allison Rosenthal, Katalin Kelemen
BACKGROUND: Hodgkin lymphoma is a hematologic malignancy usually confined to lymphatic structures and commonly associated with constitutional symptoms. Bony involvement and musculoskeletal symptoms are uncommon and typically seen in advanced disease. In this case, we report an unusual presentation of classical Hodgkin lymphoma and highlight diagnostic challenges leading to the misdiagnosis and treatment as chronic recurrent multifocal osteomyelitis. CASE PRESENTATION: A 38-year-old white man presented with lower extremity musculoskeletal pain...
February 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28212618/clinical-features-and-outcome-in-patients-with-osseomuscular-type-of-wilson-s-disease
#2
Hao Yu, Juan-Juan Xie, Yu-Chao Chen, Qin-Yun Dong, Yi Dong, Wang Ni, Zhi-Ying Wu
BACKGROUND: Wilson's disease with osseomuscular type is a rare condition, which often lacks typical hepatic and neurological symptoms and causes misdiagnoses easily. During the past 10 years, eight Chinese patients of osseomuscular type of Wilson's disease were identified in our clinic. METHODS: Clinical information was gathered from medical records and follow-ups. The genetic testing was performed in each patient. Serum ceruloplasmin, Kayser-Fleischer rings, liver function, brain magnetic resonance imaging and abdominal ultrasonography were also evaluated...
February 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28203595/acute-gastrocnemius-soleus-complex-injuries-in-national-football-league-athletes
#3
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/28199931/a-personalized-3d-printed-prosthetic-joint-replacement-for-the-human-temporomandibular-joint-from-implant-design-to-implantation
#4
David C Ackland, Dale Robinson, Michael Redhead, Peter Vee Sin Lee, Adrian Moskaljuk, George Dimitroulis
Personalized prosthetic joint replacements have important applications in cases of complex bone and joint conditions where the shape and size of off-the-shelf components may not be adequate. The objective of this study was to design, test and fabricate a personalized 3D-printed prosthesis for a patient requiring total joint replacement surgery of the temporomandibular joint (TMJ). The new 'Melbourne' prosthetic TMJ design featured a condylar component sized specifically to the patient and fixation screw positions that avoid potential intra-operative damage to the mandibular nerve...
February 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28196474/biodegradable-magnesium-herbert-screw-image-quality-and-artifacts-with-radiography-ct-and-mri
#5
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/28195605/the-implications-of-inaccuracy-comparison-of-coding-in-heterotopic-ossification-and-associated-trauma
#6
Matt Fury, Mitchell John, Stuart Schexnayder, Harry Molligan, Olivia Lee, Peter Krause, Vinod Dasa
Retrospective studies using large databases serve a major purpose in providing evidence in the current literature. However, the quality of medical coding is highly variable. This retrospective cohort study aimed to evaluate the documentation regarding the diagnosis of heterotopic ossification (HO) and the implications it may have for conducting retrospective research using electronic medical records (EMRs). A retrospective chart review using the EMR was performed to identify all patients with a diagnosis of HO within 7 university-affiliated hospital facilities...
February 13, 2017: Orthopedics
https://www.readbyqxmd.com/read/28194714/is-limb-salvage-with-microwave-induced-hyperthermia-better-than-amputation-for-osteosarcoma-of-the-distal-tibia
#7
Kang Han, Peiye Dang, Na Bian, Xiang Chen, Tongtao Yang, QingYu Fan, Yong Zhou, Tingbao Zhao, Pingshan Wang
BACKGROUND: Amputation has been the standard surgical treatment for distal tibia osteosarcoma owing to its unique anatomic features. Preliminary research suggested that microwave-induced hyperthermia may have a role in treating osteosarcoma in some locations of the body (such as the pelvis), but to our knowledge, no comparative study has evaluated its efficacy in a difficult-to-treat location like the distal tibia. QUESTIONS: Does microwave-induced hyperthermia result in (1) improved survival, (2) decreased local recurrence, (3) improved Musculoskeletal Tumor Society (MSTS) scores, or (4) fewer complications than amputation in patients with a distal tibial osteosarcoma? METHODS: Between 2000 and 2015, we treated 79 patients for a distal tibia osteosarcoma without metastases...
February 13, 2017: Clinical Orthopaedics and related Research
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
#8
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/28170167/effects-of-image-based-and-text-based-active-learning-exercises-on-student-examination-performance-in-a-musculoskeletal-anatomy-course
#9
M Melissa Gross, Mary C Wright, Olivia S Anderson
Research on the benefits of visual learning has relied primarily on lecture-based pedagogy, but the potential benefits of combining active learning strategies with visual and verbal materials on learning anatomy has not yet been explored. In this study, the differential effects of text-based and image-based active learning exercises on examination performance were investigated in a functional anatomy course. Each class session was punctuated with an average of 12 text-based and image-based active learning exercises...
February 7, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28168397/clinical-correlation-of-metabolic-parameters-on-18-f-fdg-pet-ct-in-idiopathic-frozen-shoulder
#10
Kyoung Sook Won, Du Hwan Kim, Duk Hyun Sung, Bong-Il Song, Hae Won Kim, Kwang-Soon Song, Si-Wook Lee, Chul-Hyun Cho
OBJECTIVE: Because positron emission tomography/computed tomography (PET/CT) using fluorine-18-fluorodeoxyglucose ((18)F-FDG) can be used to visualize inflammation of the musculoskeletal system, it may help elucidate the pathophysiology of frozen shoulder (FS). The purpose of this study was to characterize the uptake pattern on (18)F-FDG PET/CT in patients with idiopathic FS and to determine if there is a correlation between its metabolic parameters and clinical findings. METHODS: (18)F-FDG PET/CT was conducted to 35 patients with unilateral idiopathic FS...
February 6, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28164082/semiautomated-3d-spine-reconstruction-from-biplanar-radiographic-images-prediction-of-intervertebral-loading-in-scoliotic-subjects
#11
Tito Bassani, Claudia Ottardi, Francesco Costa, Marco Brayda-Bruno, Hans-Joachim Wilke, Fabio Galbusera
The present study proposes a semiautomatic software approach to reconstruct 3D subject-specific musculoskeletal model of thoracolumbar spine from radiographic digitized images acquired with EOS system. The approach is applied to evaluate the intervertebral loads in 38 standing adolescents with mild idiopathic scoliosis. For each vertebra, a set of landmarks was manually identified on radiographic images. The landmark coordinates were processed to calculate the following vertebral geometrical properties in the 3D space (i) location (ii) dimensions; and (iii) rotations...
2017: Frontiers in Bioengineering and Biotechnology
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
#12
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/28155823/ultrasonography-in-diagnosis-of-myofascial-pain-syndrome-and-reliability-of-novel-ultrasonic-indexes-of-upper-trapezius-muscle
#13
Navid Taheri, Farshad Okhovatian, Asghar Rezasoltani, Mehdi Karami, Sayed Mohsen Hosseini, Hosein Kouhzad Mohammadi
BACKGROUND: Myofascial pain syndrome (MPS) is a common non-articular musculoskeletal disorder. It is characterized by local and referred pain due to the presence of myofascial trigger points (MTrPs). MTrPs most commonly involve the upper trapezius muscle and can be visualized using ultrasound imaging. This study was designed to determine the inter-rater reliability of some new ultrasonographic indices of the upper trapezius muscle and the sensitivity and specificity of 2D ultrasound imaging in the diagnosis of MPS...
March 23, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28155066/pediatric-musculoskeletal-injuries-role-of-ultrasound-and-magnetic-resonance-imaging
#14
REVIEW
C L Piccolo, M Galluzzo, S Ianniello, M Trinci, A Russo, E Rossi, M Zeccolini, A Laporta, G Guglielmi, V Miele
Pediatric musculoskeletal system is particularly prone to traumatic and sports-related injuries, both acute and chronic, i.e., overuse injuries, because of inherent conditions of weakness, such as the open physis, representing the weakest aspect within the bone, the ligamentous supports and changing biomechanics. Being aware that a quick diagnosis is essential to preserve the good functionality of the limb involved, it is mandatory for the radiologist to recognize the most common patterns of these injuries, identifying those requiring a prompt surgery, as well as be confident with the technique performed, and be supported by an important background experience and knowledge skills...
February 2, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28154150/structural-and-functional-cortical-connectivity-mediating-cross-education-of-motor-function
#15
Kathy L Ruddy, Alexander Leemans, Daniel G Woolley, Nicole Wenderoth, Richard G Carson
: Cross Education is the process whereby training with one limb leads to subsequent improvement in performance by the opposite untrained limb. We used multimodal neuroimaging in humans to investigate the mediating neural mechanisms by relating quantitative estimates of functional and structural cortical connectivity to individual levels of interlimb transfer. Resting-state (rs)-fMRI and Diffusion Weighted Imaging (DWI) scans were undertaken prior to unilateral ballistic wrist flexion training...
February 2, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28152768/improving-care-quality-for-patients-with-soft-tissue-and-bone-sarcoma-by-establishing-a-national-virtual-tumor-board-and-electronic-consultation-platform
#16
Andrew Fang, Maihgan Kavanagh, Brian Kim, Jason D Lee, Craig McCormick, Lee Jae Morse, Subir Nag, Grant Nybbaken, Peter Peng, Corey M Schwartz, Joseph Song, Denah Renee Taggart, Jeanette Cu Yu
: 211 Background: Bone and soft tissue sarcomas are relatively uncommon and their management is extremely complex requiring coordinated multidisciplinary expertise for optimal care. Because Kaiser Permanente operates across many geographic regions in the country, in-person tumor board is not practical. METHODS: The Kaiser Permanente Northern California medical oncology team has developed a system-based virtual tumor board (VTB) and electronic consultation (EC) platform comprised of experts from several key disciplines including musculoskeletal/surgical oncology, musculoskeletal radiology, pathology, radiation oncology, brachytherapy, medical adult and pediatric oncology...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28145739/achilles-tendon-loading-during-heel-raising-and-lowering-exercises
#17
Andrew Revak, Keith Diers, Thomas W Kernozek, Naghmeh Gheidi, Christina Olbrantz
CONTEXT:  Achilles tendinopathies are common injuries during sport participation, although men are more prone to Achilles tendon injuries than women. Heel-raising and -lowering exercises are typically suggested for Achilles tendon rehabilitation. OBJECTIVE:  To compare the estimated Achilles tendon loading variables and the ankle range of motion (ROM) using a musculoskeletal model during commonly performed heel-raising and -lowering exercises. DESIGN:  Controlled laboratory study...
February 1, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28144827/biomarkers-for-musculoskeletal-pain-conditions-use-of-brain-imaging-and-machine-learning
#18
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
#19
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/28141953/interposition-dermal-matrix-xenografts
#20
Julie A Neumann, Miltiadis H Zgonis, Kathleen D Rickert, Kendall E Bradley, Thomas J Kremen, Blake R Boggess, Alison P Toth
BACKGROUND: Management of massive rotator cuff tears in shoulders without glenohumeral arthritis remains problematic for surgeons. Repairs of massive rotator cuff tears have failure rates of 20% to 94% at 1 to 2 years postoperatively as demonstrated with arthrography, ultrasound, and magnetic resonance imaging. Additionally, inconsistent outcomes have been reported with debridement alone of massive rotator cuff tears, and limitations have been seen with other current methods of operative intervention, including arthroplasty and tendon transfers...
January 1, 2017: American Journal of Sports Medicine
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