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Musculoskeletal MRI

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https://www.readbyqxmd.com/read/28432395/the-magnetic-resonance-imaging-appearance-of-the-anterolateral-ligament-of-the-knee-in-association-with-anterior-cruciate-rupture
#1
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/28426371/optimization-of-preculture-conditions-to-maximize-the-in-vivo-performance-of-cell-seeded-engineered-intervertebral-discs
#2
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/28424850/incidence-and-mri-characterization-of-the-spectrum-of-posterolateral-corner-injuries-occurring-in-association-with-acl-rupture
#3
Eduardo Frois Temponi, Lúcio Honório de Carvalho Júnior, Adnan Saithna, Mathieu Thaunat, Bertrand Sonnery-Cottet
OBJECTIVE: To determine the incidence and MRI characteristics of the spectrum of posterolateral corner (PLC) injuries occurring in association with anterior cruciate ligament (ACL) rupture. MATERIALS AND METHODS: We carried out a level IV, retrospective case series study. All patients clinically diagnosed with an ACL rupture between July 2015 and June 2016 who underwent MRI of the knee were included in the study. In addition to standard MRI knee reporting, emphasis was placed on identifying injury to the PLC and a description of involvement of these structures by two musculoskeletal radiologists...
April 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28420932/sporadic-actinomycosis-of-the-hip-complicated-by-central-nervous-system-infection
#4
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
#5
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/28418822/musculoskeletal-mri-2nd-ed-asif-saifuddin-philippa-tyler-and-rikin-hargunani-crc-press-2016-isbn-97814822547800-paperback-299-95-pp-1266
#6
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Radiology
https://www.readbyqxmd.com/read/28413672/whole-body-magnetic-resonance-imaging-in-the-diagnosis-and-follow-up-of-multicentric-infantile-myofibromatosis-a-case-report
#7
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
#8
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
#9
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
#10
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
#11
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/28397021/neck-muscle-moment-arms-obtained-in-vivo-from-mri-effect-of-curved-and-straight-modeled-paths
#12
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
#13
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
https://www.readbyqxmd.com/read/28366223/radiologic-approach-to-musculoskeletal-infections
#14
REVIEW
Claus S Simpfendorfer
Imaging is often used to establish a diagnosis of musculoskeletal infections and evaluate the full extent and severity of disease. Imaging should always start with radiographs, which provide an important anatomic overview. MRI is the test of choice in most musculoskeletal infections because of its superior soft tissue contrast resolution and high sensitivity for pathologic edema. However, MRI is not always possible. Alternative imaging modalities including ultrasound scan, computed tomography, and radionuclide imaging may be used...
March 30, 2017: Infectious Disease Clinics of North America
https://www.readbyqxmd.com/read/28342291/advances-in-mri-around-metal
#15
REVIEW
Pia M Jungmann, Christoph A Agten, Christian W Pfirrmann, Reto Sutter
The prevalence of orthopedic metal implants is continuously rising in the aging society. Particularly the number of joint replacements is increasing. Although satisfying long-term results are encountered, patients may suffer from complaints or complications during follow-up, and often undergo magnetic resonance imaging (MRI). Yet metal implants cause severe artifacts on MRI, resulting in signal-loss, signal-pileup, geometric distortion, and failure of fat suppression. In order to allow for adequate treatment decisions, metal artifact reduction sequences (MARS) are essential for proper radiological evaluation of postoperative findings in these patients...
March 25, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28342107/interactive-segmentation-in-mri-for-orthopedic-surgery-planning-bone-tissue
#16
Firat Ozdemir, Neerav Karani, Philipp Fürnstahl, Orcun Goksel
PURPOSE: Planning orthopedic surgeries is commonly performed in computed tomography (CT) images due to the higher contrast of bony structure. However, soft tissues such as muscles and ligaments that may determine the functional outcome of a procedure are not easy to identify in CT, for which fast and accurate segmentation in MRI would be desirable. To be usable in daily practice, such method should provide convenient means of interaction for modifications and corrections, e.g., during perusal by the surgeon or the planning physician for quality control...
March 24, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28339428/does-conservative-treatment-change-the-brain-in-patients-with-chronic-musculoskeletal-pain-a-systematic-review
#17
Jeroen Kregel, Iris Coppieters, Robby DePauw, Anneleen Malfliet, Lieven Danneels, Jo Nijs, Barbara Cagnie, Mira Meeus
BACKGROUND: Chronic musculoskeletal pain is characterized by maladaptive central neuroplastic changes. Many observational studies have demonstrated that chronic pain states are associated with brain alterations regarding structure and/or function. Rehabilitation of patients with chronic musculoskeletal pain may include cognitive, exercise, or multimodal therapies. OBJECTIVE: The current review aims to provide a constructive overview of the existing literature reporting neural correlates, based on brain magnetic resonance imaging (MRI) techniques, following conservative treatment in chronic musculoskeletal pain patients...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28336042/acute-hematogenous-osteomyelitis-in-children-pathogenesis-diagnosis-and-treatment
#18
REVIEW
Shawn S Funk, Lawson A B Copley
Acute hematogenous osteomyelitis (AHO) in children is an ideal condition to study due to its representation of a wide spectrum of disorders that comprise pediatric musculoskeletal infection. Proper care for children with AHO is multidisciplinary and collaborative. AHO continues to present a significant clinical challenge due to evolving epidemiology and complex pathogenesis. A guideline-driven, multidisciplinary approach has been introduced and shown to effectively reduce hospital stay, improve the timing and selection of empirical antibiotic administration, reduce delay to initial MRI, reduce the rate of readmission, and shorten antibiotic duration...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28331952/diagnostic-strategies-for-posttraumatic-osteomyelitis-a-survey-amongst-dutch-medical-specialists-demonstrates-the-need-for-a-consensus-protocol
#19
G A M Govaert, A W J M Glaudemans, J J W Ploegmakers, A R Viddeleer, K W Wendt, I H F Reininga
INTRODUCTION: Posttraumatic osteomyelitis (PTO) is a feared complication after surgical fracture care. Late diagnosis can result in interrupted and prolonged rehabilitation programmes, inability to work, medical dependency, unnecessary hospital admissions, and high medical and non-medical costs. Primary aim of this study was to assess preferred diagnostic imaging strategies for diagnosing PTO amongst orthopaedic and trauma surgeons, radiologists, and nuclear medicine physicians. Secondary aims were to determine the preferred serum inflammatory marker for diagnosing PTO and the existence of a local hospital protocol to diagnose and manage PTO...
March 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28328692/experience-with-a-care-process-model-in-the-evaluation-of-pediatric-musculoskeletal-infections-in-a-pediatric-emergency-department
#20
Lina Patel, Jeff Michael, Nancy Allen, Lisa Schroeder, Lisa Berglund, Jason G Newland
OBJECTIVES: Care process models (CPMs) for certain conditions have improved clinical outcomes in children. This study describes the implementation and impact of a CPM for the evaluation of musculoskeletal infections in a pediatric emergency department (ED). METHODS: A retrospective pre-post intervention study was performed to analyze the impact of a musculoskeletal infection CPM. Patients were identified retrospectively through electronic order history for imaging of an extremity or joint and recommended laboratory tests...
March 21, 2017: Pediatric Emergency Care
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