keyword
https://read.qxmd.com/read/38403199/mr-arthrogram-outperforms-standard-mri-2-weeks-after-first-shoulder-dislocation-for-labral-tear-diagnosis
#1
JOURNAL ARTICLE
Ting Cong, Shaquille Charles, Justin Greiner, Andrew Cordle, Carol Andrews, Sophie Darwiche, Rajiv Reddy, Matthew Como, Nicholas Drain, Jonathan Hughes, Bryson Lesniak, Albert Lin
PURPOSE: The aim of this study was to determine the comparative accuracy and precision of routine Magnetic Resonance Imaging (MRI) versus MR arthrogram in measuring labral tear size as a function of time from a shoulder dislocation. METHODS: We retrospectively evaluated consecutive patients who underwent primary arthroscopic stabilization between 2012 and 2021 in a single academic center. All patients completed a pre-operative MRI or MR arthrogram of the shoulder within 60 days of injury, and subsequently underwent arthroscopic repair within 6 months of imaging...
February 23, 2024: Arthroscopy
https://read.qxmd.com/read/37522946/the-2d-and-3d-mr-arthrographic-description-of-aponeurotic-expansion-of-supraspinatus-tendon-and-biceps-tendon-anomaly-in-a-large-patient-cohort
#2
JOURNAL ARTICLE
Derya Guclu, Hayri Ogul, Elif Nisa Unlu, Kutsi Tuncer, Mehmet Kose, Mecit Kantarci, Suat Eren
OBJECTIVE: To describe the aponeurotic expansion of supraspinatus tendon (AEST) and biceps tendon abnormalities with magnetic resonance (MR) arthrographic examinations and determine their prevalence in patients, we performed a high-resolution 3D direct MR arthrography. MATERIALS AND METHODS: This was a retrospective study of 700 shoulder MR arthrograms performed between May 2010 and January 2022. Extension in the coronal plane of an AEST on 3D fat-suppressed T1-weighted volumetric interpolated breath-hold examination (VIBE) MR arthrography was identified...
July 31, 2023: Skeletal Radiology
https://read.qxmd.com/read/37437966/three-dimensional-ct-and-3d-mri-of-hip-important-aids-to-hip-preservation-surgery
#3
REVIEW
Ajit Kohli, Shuda Xia, Joel E Wells, Avneesh Chhabra
Common hip internal derangements include femoroacetabular impingement (FAI), developmental dysplasia of hip (DDH) dysplasia, and avascular necrosis (AVN) of the femoral head. These are initially screened by radiographs. For preoperative planning of hip preservation, 3-dimensional (3D) CT is commonly performed to assess bony anatomy and its alterations. Magnetic resonance imaging (MRI) is used to evaluate labrum, hyaline cartilage, tendons, synovium, and loose bodies, and provides vital information for surgical decision-making...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37427024/geyser-sign-an-eruption-of-fluid-through-the-acromioclavicular-joint-in-chronic-rotator-cuff-degeneration
#4
Matthias Lembrechts
Teaching Point: Leakage of fluid or intra-articular contrast from the subacromial bursa through the acromioclavicular joint, also known as the 'geyser sign', is an uncommon presentation of chronic rotator cuff injury and acromioclavicular joint degeneration.
2023: Journal of the Belgian Society of Radiology
https://read.qxmd.com/read/37006727/current-concepts-in-scapholunate-instability-without-arthritic-changes
#5
REVIEW
Melanie Amarasooriya, Terrence Jose Jerome, Lisa Tourret
Scapholunate instability (SLI) is the most common carpal instability described. SLI leads to a degenerative arthritic pattern known as scapholunate advanced collapse (SLAC). Diagnosis of SLI can be challenging in pre-dynamic and dynamic stages. CT arthrogram, MR arthrogram and dynamic fluoroscopy are helpful in diagnosis while arthroscopy remains the gold standard. SLI is a multi-ligament injury, which involves not only the scapholunate interosseous ligament (SLIL) but also the extrinsic carpal ligaments. Hence, it is better described as an injury compromising the 'dorsal scapholunate(dSLL) complex'...
April 2023: Indian Journal of Orthopaedics
https://read.qxmd.com/read/36842885/trends-in-mr-arthrogram-utilization-at-a-tertiary-care-academic-center
#6
JOURNAL ARTICLE
Silvia Arora, Charles A Popkin, Tony T Wong
The purpose is to evaluate the trends in MR arthrogram utilization at a tertiary care academic institution and to determine if there are factors that can be implicated in the utilization trends. Number of MR arthrograms of the shoulder, hip, and elbow from 2013-2020 at our institution were identified (n = 1882). Patient demographics including age, sex, sports participation, history of prior surgery, and physician referral were obtained. Descriptive statistics were performed to determine the prevalence of MR arthrograms...
February 8, 2023: Current Problems in Diagnostic Radiology
https://read.qxmd.com/read/36792853/detection-of-the-glenoid-bare-spot-by-non-arthrographic-mr-imaging-conventional-mr-arthrography-and-3d-high-resolution-t1-weighted-vibe-mr-arthrography-comparison-with-ct-arthrography
#7
JOURNAL ARTICLE
Mehmet Ali Ozel, Hayri Ogul, Ali Koksal, Mehmet Kose, Kutsi Tuncer, Suat Eren, Mecit Kantarci
OBJECTIVES: To determine the diagnostic accuracy of non-arthrographic MR imaging, conventional MR arthrography, and 3D T1-weighted volumetric interpolated breath-hold examination (VIBE) MR arthrography sequences as compared with a CT arthrography in the diagnosis of glenoid bare spot. METHODS: A retrospective study of 216 patients who underwent non-arthrographic MR imaging, conventional MR arthrography, VIBE MRI arthrography, and CT arthrogram between January 2011 and March 2022 was conducted...
February 16, 2023: European Radiology
https://read.qxmd.com/read/36478112/the-posterior-crescent-sign-on-mri-and-mr-arthrography-is-it-a-marker-of-hip-dysplasia-and-instability
#8
JOURNAL ARTICLE
Andrew A MacDonald, Donna G Blankenbaker, Matthew J Brick, Chris M Hanna, Rebecca M Woodward
OBJECTIVE: To evaluate the prevalence of the 'posterior crescent sign' in symptomatic patients referred for MRI/MR arthrogram of the hip and identify any correlation with imaging features of joint pathology. MATERIALS AND METHODS: Retrospective imaging assessment of a cohort of 1462 hips, from 1380 included MR examinations (82 bilateral) retrieved from a search of all examinations in patients 16-50 years old from June 2018 to June 2021, with median age 45.8 years (range 17...
December 7, 2022: Skeletal Radiology
https://read.qxmd.com/read/36398159/evaluating-accuracy-of-plain-magnetic-resonance-imaging-or-arthrogram-versus-wrist-arthroscopy-in-the-diagnosis-of-scapholunate-interosseous-ligament-injury
#9
JOURNAL ARTICLE
Nardeen Kader, Mohammed Shoaib Arshad, Pawan K Chajed, Daoud Makki, Kiran Naikoti, David Temperley, S Raj Murali
Introduction  Scapholunate interosseous ligament injury (SLIL) is the most common cause of wrist instability and a cause of morbidity in a proportion of patients with wrist injuries. Aim  To evaluate the accuracy of plain magnetic resonance imaging (MRI) and MR arthrogram (MRA) in the diagnosis of SLIL injury against the existing gold standard-wrist arthroscopy. Materials and Methods  We retrospectively reviewed 108 cases by comparing MRI/MRA reports and their wrist arthroscopy operation notes...
October 2022: Journal of Hand and Microsurgery
https://read.qxmd.com/read/36006592/diagnosis-and-treatment-of-posteromedial-elbow-impingement-in-the-throwing-athlete
#10
REVIEW
R L Bowers, G M Lourie, T B Griffith
PURPOSE OF REVIEW: Posteromedial elbow impingement is a common pathological entity in the throwing athlete. The posteromedial articulation of the elbow is a significant stabilizer to medial elbow forces and valgus stress noted during repetitive throwing. This current review investigates recent literature regarding the relevant anatomy, diagnosis, and treatment of posteromedial impingement in the thrower. RECENT FINDINGS: Improvements in advanced imaging have provided accurate and detailed diagnostic capability for the assessment of the throwers' elbow...
August 25, 2022: Current Reviews in Musculoskeletal Medicine
https://read.qxmd.com/read/36006463/accuracy-of-mr-arthrography-in-the-detection-of-posterior-glenoid-labral-injuries-of-the-shoulder
#11
JOURNAL ARTICLE
Allison Rixey, Nicholas Rhodes, Naveen Murthy, Matthew Johnson, Nicholas Larson, Michael D Ringler
OBJECTIVE: The purpose of this study is to evaluate the accuracy of MR arthrography in detecting isolated posterior glenoid labral injuries using arthroscopy as the reference standard. METHODS: MR arthrograms of 97 patients with isolated posterior glenoid labral tears by arthroscopy and those of 96 age and gender-matched controls with intact posterior labra were reviewed by two blinded radiologists for the presence and location of posterior labral abnormalities...
August 25, 2022: Skeletal Radiology
https://read.qxmd.com/read/35372642/added-value-of-combined-acromiohumeral-distance-and-critical-shoulder-angle-measurements-on-conventional-radiographs-for-the-prediction-of-rotator-cuff-pathology
#12
JOURNAL ARTICLE
Quemars M Hamie, Florian A Huber, Vincent Grunder, Tim Finkenstaedt, Magda Marcon, Erika Ulbrich, Nadja A Farshad-Amacker, Roman Guggenberger
Purpose: To investigate the role of acromiohumeral distance (AHD) and critical shoulder angle (CSA) measurements from conventional radiographs (CR) in isolation and combined (prognostic index PIAHD-CSA ) as predictors of full thickness rotator cuff tendon tears (RCT) and critical fatty degeneration (CFD; i.e. as much fat as muscle). Method: In this retrospective study AHD and CSA were measured in 127 CR. MR arthrograms served as reference standard and were screened for RCT and CFD...
2022: European Journal of Radiology Open
https://read.qxmd.com/read/34754572/hypertrophy-of-the-tensor-fascia-lata-a-pseudotumor-due-to-lumbar-radiculopathy
#13
Lisa B E Shields, Vasudeva Iyer, Rukmaiah C Bhupalam, Yi Ping Zhang, Christopher B Shields
BACKGROUND: Pseudotumor of the tensor fascia lata (TFL) consists of a rare, benign soft tissue mass/hypertrophy of the TFL that appears on the anterolateral aspect of the proximal thigh. Notably, this condition often mimics a malignant tumor and may be misdiagnosed as a sarcoma. CASE DESCRIPTION: A 45-year-old male presented with left hip/groin pain, swelling, and a painful mass on the anterolateral aspect of the left hip/thigh. The symptoms had started 3 months ago following an L1-S1 lumbar laminectomy/fusion...
2021: Surgical Neurology International
https://read.qxmd.com/read/34406055/imaging-of-patients-suspected-of-slap-tear-a-cost-effectiveness-study
#14
JOURNAL ARTICLE
Soterios Gyftopoulos, Jordan Conroy, James Koo, Morgan Jones, Anthony Miniaci, Naveen Subhas
BACKGROUND . Superior labrum anterior and posterior (SLAP) tears are a common shoulder pathology. Although MRI is the imaging reference standard for diagnosis of this pathology, the cost-effectiveness of common MRI strategies is unclear. OBJECTIVE . The primary objective of our study was to determine the cost-effectiveness of the common MRI-based strategies used for the diagnosis of SLAP tears. METHODS . We created decision analytic models from the perspective of the U.S. health care system over a 2-year time horizon for a hypothetical population of 25-year-old patients with a previous diagnosis of SLAP tear...
February 2022: AJR. American Journal of Roentgenology
https://read.qxmd.com/read/34398309/prevalence-of-sacroiliitis-among-patients-referred-for-hip-mr-arthrography
#15
JOURNAL ARTICLE
Joseph Giaconi, Leah Waldman, Joseph Robinson, Nicholas Milanovic, Michael Weisman, Thomas Learch
OBJECTIVE: To determine the prevalence of sacroiliitis among patients who have been referred for MR arthrography. MATERIALS AND METHODS: A retrospective search identified 130 consecutive MR arthrograms of the hip performed on a 1.5T Siemens Avanto at our institution from August 2013 to August 2014. Four studies were excluded due to the absence of a coronal short tau inversion recovery sequence of the pelvis, leaving 126 studies for analysis. A musculoskeletal radiology fellow and three attending musculoskeletal radiologists reviewed the images for the presence of bone marrow edema affecting the sacroiliac joints...
April 2022: Skeletal Radiology
https://read.qxmd.com/read/34309690/ligaments-of-the-scapho-trapezial-trapezoidal-joint-mr-anatomy-in-asymptomatic-and-symptomatic-individuals
#16
JOURNAL ARTICLE
Kai Higashigaito, Christian W A Pfirrmann, Sarah Koch, Dimitri Graf, Andreas Schweizer, Daniel Nanz, Andrea B Rosskopf
PURPOSE: To evaluate the MRI anatomy of the scapho-trapezial-trapezoidal (STT) ligament complex in asymptomatic and symptomatic individuals. MATERIAL AND METHODS: In this retrospective study, STT ligament complex of 42 (male 69%, median age 37.5 years) asymptomatic (n = 25) and symptomatic (n = 17) (defined as pain described over the STT joint) individuals was examined using a high-resolution 3D proton density-weighted isovoxel sequence (MR arthrogram) with multiplanar reconstructions...
March 2022: Skeletal Radiology
https://read.qxmd.com/read/34284233/assessing-the-scapholunate-and-lunotriquetral-interosseous-ligament-in-mr-arthrography-diagnostic-advantages-of-paraxial-reformatting
#17
JOURNAL ARTICLE
Henner Huflage, Karsten Sebastian Luetkens, Nora Conrads, Michael Georg Jakubietz, Rafael Gregor Jakubietz, Rainer Schmitt, Lukas Goertz, Lenhard Pennig, Thorsten Alexander Bley, Jan-Peter Grunz
PURPOSE: The scapholunate (SLIL) and lunotriquetral interosseous ligament (LTIL) function as the main stabilizers of the proximal carpal row. Even with MR arthrography, component assessability is often limited in orthogonal standard planes due to their horseshoe-like shape and resulting partial volume effects. This study aims to investigate the diagnostic value of reformatting isotropic 3D sequences with respect to the anatomical orientation of the intrinsic carpal ligaments. METHOD: In 110 MR arthrograms of the wrist, we investigated the diagnostic accuracy of two radiologists (R1/R2) for SLIL and LTIL injuries in orthogonal standard planes vs...
September 2021: European Journal of Radiology
https://read.qxmd.com/read/34003353/improved-diagnostic-accuracy-for-ulnar-sided-tfcc-lesions-with-radial-reformation-of-3d-sequences-in-wrist-mr-arthrography
#18
JOURNAL ARTICLE
Henner Huflage, Karsten Sebastian Luetkens, Andreas Steven Kunz, Nora Conrads, Rafael Gregor Jakubietz, Michael Georg Jakubietz, Lenhard Pennig, Lukas Goertz, Thorsten Alexander Bley, Rainer Schmitt, Jan-Peter Grunz
OBJECTIVES: Triangular fibrocartilage complex (TFCC) injuries frequently cause ulnar-sided wrist pain and can induce distal radioulnar joint instability. With its complex three-dimensional structure, diagnosis of TFCC lesions remains a challenging task even in MR arthrograms. The aim of this study was to assess the added diagnostic value of radial reformatting of isotropic 3D MRI datasets compared to standard planes after direct arthrography of the wrist. METHODS: Ninety-three patients underwent wrist MRI after fluoroscopy-guided multi-compartment arthrography...
December 2021: European Radiology
https://read.qxmd.com/read/33758634/intra-articular-long-head-of-the-biceps-tendon-magnetic-resonance-arthrography-classification-and-review-of-literature
#19
JOURNAL ARTICLE
Nicola Tarallo, Maria C Morgano, Marco Curti, Emanuela Spanò, Alessandro Castagna, Eugenio A Genovese
PURPOSE: Anatomical variants of the long head of the biceps (LHB) and diseases of the rotator interval structures may contribute to shoulder instability. The rotator interval and the LHB tendon are closely associated anatomic structures that confer stability to the shoulder. Anatomical variants around the origins of the long head of the biceps (LHB) are reported to occur with a frequency of 1.9-7.4%. In the past years, many authors have proposed different approaches for the identification and characterization of LHB and rotators interval...
2021: Polish Journal of Radiology
https://read.qxmd.com/read/33312409/inferior-glenohumeral-ligament-ighl-injuries-a-case-series-of-magnetic-resonance-mr-imaging-findings-and-arthroscopic-correlation
#20
JOURNAL ARTICLE
Michael Glass, Vafa Behzadpour, Jessica Peterson, Lauren Clark, Shelby Bell-Glenn, Yonghui Ni, Carissa Walter, Nebiyu Beteselassie
Introduction: The inferior glenohumeral ligament (IGHL) complex commonly is assessed by both magnetic resonance imaging (MRI) and magnetic resonance (MR) arthrogram. Our study compared the accuracy of MR arthrogram compared to MRI using arthroscopic correlation as the gold standard. Methods: A retrospective review of cases reporting an IGHL injury was performed. Seventy-seven cases met inclusion criteria, while five had arthroscopic reports that directly confirmed or refuted the presence of IGHL injury...
2020: Kansas Journal of Medicine
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