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Musculoskeletal imaging

Michael S Crowell, Erik A Dedekam, Michael R Johnson, Scott C Dembowski, Richard B Westrick, Donald L Goss
BACKGROUND: While advanced diagnostic imaging is a large contributor to the growth in health care costs, direct-access to physical therapy is associated with decreased rates of diagnostic imaging. No study has systematically evaluated with evidence-based criteria the appropriateness of advanced diagnostic imaging, including magnetic resonance imaging (MRI), when ordered by physical therapists. The primary purpose of this study was to describe the appropriateness of magnetic resonance imaging (MRI) or magnetic resonance arthrogram (MRA) exams ordered by physical therapists in a direct-access sports physical therapy clinic...
October 2016: International Journal of Sports Physical Therapy
Kelechi R Okoroha, Nima Mehran, Jonathan Duncan, Travis Washington, Tyler Spiering, Michael J Bey, Marnix Van Holsbeeck, Vasilios Moutzouros
Ultrasound and magnetic resonance imaging (MRI) are both capable of diagnosing full-thickness rotator cuff tears. However, it is unknown which imaging modality is more accurate and precise in evaluating the characteristics of full-thickness rotator cuff tears in a surgical population. This study reviewed 114 patients who underwent arthroscopic repair of a full-thickness rotator cuff tear over a 1-year period. Of these patients, 61 had both preoperative MRI and ultrasound for review. Three musculoskeletal radiologists evaluated each ultrasound and MRI in a randomized and blinded fashion on 2 separate occasions...
October 18, 2016: Orthopedics
Kris Radcliff, William B Morrison, Christopher Kepler, Jeffrey Moore, Gursukhman S Sidhu, David Gendelberg, Luciano Miller, Marcos A Sonagli, Alexander R Vaccaro
STUDY DESIGN: Retrospective case series. OBJECTIVE: To identify specific magnetic resonance imaging (MRI) characteristics of epidural fluid collections associated with infection, hematoma, or cerebrospinal fluid (CSF). SUMMARY OF BACKGROUND DATA: Interpretation of postoperative MRI can be challenging after lumbar fusion. The purpose of this study was to identify specific MRI characteristics of epidural fluid collections associated with infection, hematoma, or CSF...
November 2016: Clinical Spine Surgery
Johannes Roth, Viviana Ravagnani, Marina Backhaus, Peter Balint, Alessandra Bruns, George A Bruyn, Paz Collado, Lorenia De la Cruz, Severine Guillaume-Czitrom, Troels Herlin, Cristina Hernandez, Annamaria Iagnocco, Sandrine Jousse-Joulin, Stefano Lanni, Vibke Lilleby, Clara Malattia, Silvia Magni-Manzoni, Consuelo Modesto, Ana Narrodi, Juan-Carlos Nieto, Sarah Ohrndorf, Linda Rossi, Anne-Marit Selvaag, Nanno Swen, Tracy Ting, Nikolay Tzaribachev, Patricia Vega-Fernandez, Jelena Vojinovic, Daniel Windschall, Maria-Antonietta D'Agostino, Esperanza Naredo
Objectives Musculoskeletal ultrasonography (US) has the potential to be an important tool in the assessment of disease activity in childhood arthritides. To assess pathology, clear definitions for synovitis need to be developed first. The aim of this study was to develop and validate these definitions through an international consensus process. Methods The decision on which US techniques to use, the components to be included in the definitions as well as the final wording were developed by 31 ultrasound experts in a consensus process...
October 16, 2016: Arthritis Care & Research
Adam N Wallace, Sebastian R McWilliams, Sarah E Connolly, John S Symanski, Devin Vaswani, Anderanik Tomasian, Ross Vyhmeister, Ashley M Lee, Thomas P Madaelil, Travis J Hillen, Jack W Jennings
PURPOSE: To evaluate the safety and effectiveness of cryoablation of musculoskeletal metastases in terms of achieving pain palliation and local tumor control. MATERIALS AND METHODS: A retrospective review was performed of 92 musculoskeletal metastases in 56 patients treated with percutaneous image-guided cryoablation. Mean age of the cohort was 53.9 y ± 15.1, and cohort included 48% (27/56) men. Median tumor volume was 13.0 cm(3) (range, 0.5-577.2 cm(3)). Indications for treatment included pain palliation (41%; 38/92), local tumor control (15%; 14/92), or both (43%; 40/92)...
October 13, 2016: Journal of Vascular and Interventional Radiology: JVIR
Kevin Kalisz, Vasant Garg, Kyle Basques, Robert Gilkeson, Peter Young
RATIONALE AND OBJECTIVES: This study aimed to assess the quality of and analyze trends among clinical indications received for emergency room radiograph studies. MATERIALS AND METHODS: Clinical indications provided by the emergency room and rapid care for consecutive chest, abdominal, and musculoskeletal radiographs were reviewed. Chart review was performed to analyze the provided indications compared to clinical information known to the ordering providers. Chest and abdominal radiograph indications were graded according to symptoms and physical examination signs and relevant past medical history...
October 10, 2016: Academic Radiology
Faysal F Altahawi, Kevin J Blount, Nicholas P Morley, Esther Raithel, Imran M Omar
PURPOSE: To compare a faster, new, high-resolution accelerated 3D-fast-spin-echo (3D-FSE) acquisition sequence (CS-SPACE) to traditional 2D and high-resolution 3D sequences for knee 3-T magnetic resonance imaging (MRI). MATERIALS AND METHODS: Twenty patients received knee MRIs that included routine 2D (T1, PD ± FS, T2-FS; 0.5 × 0.5 × 3 mm(3); ∼10 min), traditional 3D FSE (SPACE-PD-FS; 0.5 × 0.5 × 0.5 mm(3); ∼7.5 min), and accelerated 3D-FSE prototype (CS-SPACE-PD-FS; 0...
October 15, 2016: Skeletal Radiology
Alice Ashouri Christiansen, Oliver Hendricks, Dorota Kuettel, Kim Hørslev-Petersen, Anne Grethe Jurik, Steen Nielsen, Kaspar Rufibach, Anne Gitte Loft, Susanne Juhl Pedersen, Louise Thuesen Hermansen, Mikkel Østergaard, Bodil Arnbak, Claus Manniche, Ulrich Weber
OBJECTIVE: To determine the reproducibility of evaluation of sacroiliac joint (SIJ) radiographs among readers with varying levels of experience, and to identify potential drivers of disagreement in classification among 5 predefined radiographic lesion types. METHODS: The study sample consisted of 104 consecutive patients aged 18-40 with low back pain ≥ 3 months of duration who met the Assessment of SpondyloArthritis international Society (ASAS) definition for a positive SIJ magnetic resonance imaging, or were HLA-B27-positive and had ≥ 1 spondyloarthritis (SpA)-related clinical/laboratory feature according to the ASAS classification criteria for axial SpA...
October 15, 2016: Journal of Rheumatology
Kevin R Math, Jennifer L Berkowitz, Stephen A Paget, Yoshimi Endo
Diagnostic imaging plays a crucial role in confirming the diagnosis of musculoskeletal (MSK) infection and determining the severity and extent of disease. The clinical diagnosis may be challenging due to the nonspecific presentation of pain and swelling. There are certain features that are pathognomonic for infection. Pre-existing conditions an make diagnosing infection difficult. Prior surgery can create artifacts on advanced imaging modalities such as computed tomography and MRI, obscuring the tissues immediately around the hardware...
November 2016: Rheumatic Diseases Clinics of North America
Sharon L Kolasinski, Andrew S Chi, Angel J Lopez-Garib
Systemic rheumatic diseases frequently pose diagnostic challenges to the clinician. The precise nature of the disorder can be obscure and different disorders can present with similar symptoms, such as joint pain. Plain radiographs provide an appropriate starting point for detection of joint abnormalities. Musculoskeletal ultrasound and MRI offer greater sensitivity in detecting synovitis, tenosynovitis and bony erosions, among other features. However, due to the rarity of these diseases and lack of prospective longitudinal trials, a broader picture of the epidemiology of these findings and their implications for treatment and outcomes remains to be determined...
November 2016: Rheumatic Diseases Clinics of North America
Dae Wook Lee, Chang Hun Lim, Jae Young Han, Woong Mo Kim
Chronic pelvic pain in women is a very annoying condition that is responsible for substantial suffering and medical expense. But dealing with this pain can be tough, because there are numerous possible causes for the pelvic pain such as urologic, gynecologic, gastrointestinal, neurologic, or musculoskeletal problems. Of these, musculoskeletal problem may be a primary cause of chronic pelvic pain in patients with a preceding trauma to the low back, pelvis, or lower extremities. Here, we report the case of a 54-year-old female patient with severe chronic pelvic pain after a transcutaneous electrical nerve stimulation (TENS) accident that was successfully managed with image-guided trigger point injections on several pelvic stabilizing muscles...
October 2016: Korean Journal of Pain
Su Young Kim, Ji Hyun Cheon, Won Jun Seo, Geun Young Yang, Yun Mi Choi, Kyung Hoon Kim
The musculoskeletal system is mainly composed of the bones, muscles, tendons, and ligaments, in addition to nerves and blood vessels. The greatest difficulty in an ultrasonographic freeze-frame created by the examiner is recognition of the targeted structures without indicators, since an elephant's trunk may not be easily distinguished from its leg. It is not difficult to find descriptive ultrasonographic terms used for educational purposes, which help in distinguishing features of these structures either in a normal or abnormal anatomic condition...
October 2016: Korean Journal of Pain
Victor Longo, Jon A Jacobson, David P Fessell, Kenneth Mautner
The purpose of this series was to retrospectively characterize the ultrasound findings of delayed-onset muscle soreness (DOMS). The Institutional Review Board approved our study, and informed consent was waived. A retrospective search of radiology reports using the key phrase "delayed-onset muscle soreness" and key word "DOMS" from 2001 to 2015 and teaching files was completed to identify cases. The sonograms were reviewed by 3 fellowship-trained musculoskeletal radiologists by consensus. Sonograms were retrospectively characterized with respect to echogenicity (hypoechoic, isoechoic, or hyperechoic), distribution of muscle involvement, and intramuscular pattern (focal versus diffuse and well defined versus poorly defined)...
October 13, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Daniel G Whitney, Harshvardhan Singh, Freeman Miller, Mary F Barbe, Jill M Slade, Ryan T Pohlig, Christopher M Modlesky
INTRODUCTION: Nonambulatory children with severe cerebral palsy (CP) have underdeveloped bone architecture, low bone strength and a high degree of fat infiltration in the lower extremity musculature. The present study aims to determine if such a profile exists in ambulatory children with mild CP and if excess fat infiltration extends into the bone marrow. MATERIALS AND METHODS: Ambulatory children with mild spastic CP and typically developing children (4 to 11years; 12/group) were tested...
October 9, 2016: Bone
M Cody O'Dell, Diego Jaramillo, Laura Bancroft, Laura Varich, Gregory Logsdon, Sabah Servaes
With increasing participation and intensity of training in youth sports in the United States, the incidence of sports-related injuries is increasing, and the types of injuries are shifting. In this article, the authors review sports injuries of the lower extremity, including both acute and overuse injuries, that are common in or specific to the pediatric population. Common traumatic injuries that occur in individuals of all ages (eg, tears of the acetabular labrum and anterior cruciate ligament) are not addressed, although these occur routinely in pediatric sports...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Mohammad Reza Hayeri, Pouya Ziai, Monda L Shehata, Oleg M Teytelboym, Brady K Huang
Infection of the musculoskeletal system can be associated with high mortality and morbidity if not promptly and accurately diagnosed. These infections are generally diagnosed and managed clinically; however, clinical and laboratory findings sometimes lack sensitivity and specificity, and a definite diagnosis may not be possible. In uncertain situations, imaging is frequently performed to confirm the diagnosis, evaluate the extent of the disease, and aid in treatment planning. In particular, cross-sectional imaging, including computed tomography and magnetic resonance imaging, provides detailed anatomic information in the evaluation of soft tissues due to their inherent high spatial and contrast resolution...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Kirkland W Davis, Laura W Bancroft
No abstract text is available yet for this article.
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Mark J Kransdorf, Mark D Murphey
Radiologic evaluation of musculoskeletal soft-tissue masses has changed dramatically with the continued improvements in imaging technology. The integration of advanced imaging has provided the radiologist with a wide range of assessment tools, but as with all powerful arsenals, selection and application of the appropriate imaging method can be problematic. Although the choices available for imaging evaluation of musculoskeletal masses have changed dramatically, the basic objectives of this assessment have remained constant: diagnosis and staging...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Matthew H Lee, Scott E Sheehan, John F Orwin, Kenneth S Lee
Shoulder pain is one of the most common musculoskeletal conditions encountered in primary care and specialty orthopedic clinic settings. Although magnetic resonance (MR) imaging is typically the modality of choice for evaluating the soft-tissue structures of the shoulder, ultrasonography (US) is becoming an important complementary imaging tool in the evaluation of superficial soft-tissue structures such as the rotator cuff, subacromial-subdeltoid bursa, and biceps tendon. The advantages of US driving its recent increased use include low cost, accessibility, and capability for real-time high-resolution imaging that enables dynamic assessment and needle guidance...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Richard Kijowski, Humberto Rosas, Alexey Samsonov, Kevin King, Rob Peters, Fang Liu
PURPOSE: To investigate the feasibility of using compressed sensing (CS) to accelerate three-dimensional fast spin-echo (3D-FSE) imaging of the knee. MATERIALS AND METHODS: A 3D-FSE sequence was performed at 3T with CS (CUBE-CS with 3:16-minute scan time) and without CS (CUBE with 4:44-minute scan time) twice on the knees of 10 healthy volunteers to assess signal-to-noise ratio (SNR) using the addition-subtraction method and once on the knees of 50 symptomatic patients to assess diagnostic performance...
October 11, 2016: Journal of Magnetic Resonance Imaging: JMRI
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