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Skeletal Radiology

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https://www.readbyqxmd.com/read/28821929/magnetic-resonance-cinematography-of-the-fingers-a-3-0-tesla-feasibility-study-with-comparison-of-incremental-and-continuous-dynamic-protocols
#1
Thomas Bayer, Werner Adler, Rolf Janka, Michael Uder, Frank Roemer
OBJECTIVE: To study the feasibility of magnetic resonance cinematography of the fingers (MRCF) with comparison of image quality of different protocols for depicting the finger anatomy during motion. MATERIALS AND METHODS: MRCF was performed during a full flexion and extension movement in 14 healthy volunteers using a finger-gating device. Three real-time sequences (frame rates 17-59 images/min) and one proton density (PD) sequence (3 images/min) were acquired during incremental and continuous motion...
August 19, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28821928/is-lead-shielding-of-patients-necessary-during-fluoroscopic-procedures-a-study-based-on-kyphoplasty
#2
Joshua R Smith, Rebecca M Marsh, Michael S Silosky
OBJECTIVE: To determine the benefits, risks, and limitations associated with wrapping a patient with lead shielding during fluoroscopy-guided kyphoplasty procedures as a way to reduce operator radiation exposure. MATERIALS AND METHODS: An anthropomorphic phantom was used to mimic a patient undergoing a kyphoplasty procedure under fluoroscopic guidance. Radiation measurements of the air kerma rate (AKR) were made at several locations and under various experimental conditions...
August 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28821925/cystic-degeneration-of-the-tibial-nerve-magnetic-resonance-neurography-and-sonography-appearances-of-an-intraneural-ganglion-cyst
#3
Cláudio Régis Sampaio Silveira, Clarissa Gadelha Maia Vieira, Brenda Machado Pereira, Luiz Holanda Pinto Neto, Avneesh Chhabra
Extra- and intraneural ganglion cysts have been described in the literature. The tibial nerve ganglion is uncommon and its occurrence without intra-articular extension atypical. The pathogenesis of cystic degeneration localized to connective and perineural tissue secondary to chronic mechanical irritation or idiopathic mucoid degeneration is hypothesized. Since the above pathology is extremely rare and the magnetic resonance imaging examination detects the defining characteristics of the intrinsic alterations of the tibial nerve, the authors illustrate such a case of tibial intaneural ganglion cyst with its magnetic resonance neurography and sonography appearances...
August 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28812107/australasian-musculoskeletal-imaging-group-amsig-annual-scientific-meeting-melbourne-may-6-7-2017
#4
(no author information available yet)
No abstract text is available yet for this article.
August 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28812185/reliability-of-standing-weight-bearing-0-25t-mr-imaging-findings-and-positional-changes-in-the-lumbar-spine
#5
Bjarke B Hansen, Philip Hansen, Anders F Christensen, Charlotte Trampedach, Zoreh Rasti, Henning Bliddal, Mikael Boesen
OBJECTIVE: To test the reliability and absolute agreement of common degenerative findings in standing positional magnetic resonance imaging (pMRI). METHODS AND MATERIALS: Low back pain patients with and without sciatica were consecutively enrolled to undergo a supine and standing pMRI. Three readers independently evaluated the standing pMRI for herniation, spinal stenosis, spondylolisthesis, HIZ lesions and facet joint effusion. The evaluation included a semi-quantitative grading of spinal stenosis, foraminal stenosis and spinal nerve root compression...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28808764/high-resolution-3-t-mri-of-the-triangular-fibrocartilage-complex-in-the-wrist-injury-pattern-and-mr-features
#6
Huili Zhan, Huibo Zhang, Rongjie Bai, Zhanhua Qian, Yue Liu, Heng Zhang, Yuming Yin
OBJECTIVES: To investigate if using high-resolution 3-T MRI can identify additional injuries of the triangular fibrocartilage complex (TFCC) beyond the Palmer classification. MATERIALS AND METHODS: Eighty-six patients with surgically proven TFCC injury were included in this study. All patients underwent high-resolution 3-T MRI of the injured wrist. The MR imaging features of TFCC were analyzed according to the Palmer classification. RESULTS: According to the Palmer classification, 69 patients could be classified as having Palmer injuries (52 had traumatic tears and 17 had degenerative tears)...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28808747/browser-s-notes
#7
(no author information available yet)
No abstract text is available yet for this article.
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28808739/an-intracortical-chondromyxoid-fibroma-in-the-diaphysis-of-the-metatarsal
#8
Ji Sung Han, Euddeum Shim, Baek Hyun Kim, Jung-Woo Choi
Chondromyxoid fibromas (CMFs) are rare, benign, primary tumors of bones, and occur in the metaphyses of the medullary canals of the long bones. The occurrence of intracortical CMFs is extremely rare. Very few cases of intracortical CMFs located in the long tubular bones have been reported to date. Moreover, even though the feet are the second most common site for CMF (after the knees), intracortical metatarsal CMF has not been reported previously, to our knowledge. We report an intracortical CMF occurring in the diaphysis of the metatarsal in a 17-year-old man...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28799128/the-influence-of-epidural-catheter-on-the-incidence-of-intravascular-injection-during-caudal-block
#9
Jin Young Lee, Sung Hyun Lee, Woo Seog Sim, Duk Kyung Kim, Sang Hoon Lee, Hyo Min Yun, Hue Jung Park
OBJECTIVE: The aim of this study was to analyze the influence of epidural catheters on the incidence of intravascular injection and to identify possible predictors of intravascular injection in patients undergoing a caudal block using fluoroscopy. METHODS: A total of 154 patients scheduled to receive a caudal block were randomized into group N (those without epidural catheter) or group C (those with epidural catheter). Demographic and clinical data were recorded and analyzed...
August 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28799095/assessment-of-hindfoot-alignment-using-mri-and-standing-hindfoot-alignment-radiographs-saltzman-view
#10
Nydia Büber, Marco Zanetti, Arno Frigg, Nadja Saupe
OBJECTIVE: To compare the hindfoot alignment measured on standing HAV radiographs (Saltzman view) and on non-weight-bearing coronal MR images. MATERIALS AND METHODS: The apparent moment arm was measured on weight-bearing conventional radiographs (Saltzman views) and on MRIs of the ankle in 50 consecutive patients (mean age, 54 years; age range, 18-77 years). The evaluation was performed independently by three readers using analogous reference points for both methods...
August 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28799033/isolated-atrophy-of-the-abductor-digiti-quinti-in-patients-with-rheumatoid-arthritis
#11
Ricardo Andrade Fernandes de Mello, Ronaldo Garcia Rondina, Valéria Valim, Stéphano Santos Belisario, Rafael Burgomeister Lourenço, Elton Francisco Batista, Ruben Horst Duque
OBJECTIVE: We aim to discuss the association of isolated atrophy of the abductor digiti quinti muscle in patients with rheumatoid arthritis as well as review the anatomy and imaging findings of this condition on MRI. MATERIALS AND METHODS: A consecutive series of 55 patients diagnosed with rheumatoid arthritis according to the 2010 ACR/EULAR classification criteria were recruited. MRI of the clinically dominant feet was performed using a 1.5-T scanner. RESULTS: The study population was predominantly female (94...
August 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28785827/magnetic-resonance-imaging-at-primary-diagnosis-cannot-predict-subsequent-contralateral-slip-in-slipped-capital-femoral-epiphysis
#12
Anders Wensaas, Ola Wiig, Johan Castberg Hellund, Behzad Khoshnewiszadeh, Terje Terjesen
OBJECTIVE: Prophylactic fixation of the contralateral hip in slipped capital femoral epiphysis (SCFE) is controversial, and no reliable method has been established to predict subsequent contralateral slip. The main purpose of this study was to evaluate if magnetic resonance imaging (MRI) performed at primary diagnosis could predict future contralateral slip. MATERIALS AND METHODS: Twenty-two patients with unilateral SCFE were included, all had MRI of both hips taken before operative fixation...
August 8, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28780746/normative-values-for-ct-based-texture-analysis-of-vertebral-bodies-in-dual-x-ray-absorptiometry-confirmed-normally-mineralized-subjects
#13
Manoj Mannil, Matthias Eberhard, Anton S Becker, Denise Schönenberg, Georg Osterhoff, Diana P Frey, Ender Konukoglu, Hatem Alkadhi, Roman Guggenberger
OBJECTIVES: To develop age-, gender-, and regional-specific normative values for texture analysis (TA) of spinal computed tomography (CT) in subjects with normal bone mineral density (BMD), as defined by dual X-ray absorptiometry (DXA), and to determine age-, gender-, and regional-specific differences. MATERIALS AND METHODS: In this retrospective, IRB-approved study, TA was performed on sagittal CT bone images of the thoracic and lumbar spine using dedicated software (MaZda) in 141 individuals with normal DXA BMD findings...
August 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28776089/chordoma-arising-from-benign-multifocal-notochordal-tumors
#14
Abdulrehman Arain, Francis John Hornicek, Joseph H Schwab, Ivan Chebib, Timothy A Damron
This case reports a 25-year-old woman initially diagnosed with adjacent benign notochordal cell tumors (BNCTs) of L3 and L4 based on needle biopsy of L3 and stable imaging over a 3-year period who was ultimately found to have a chordoma arising from a BNCT at L3. It illustrates the potential relationship between benign and malignant notochordal tumors and the difficulty in distinguishing them by clinical, radiological, and even histopathological means.
August 3, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28770312/progressive-loss-of-supination-of-the-wrist
#15
EDITORIAL
Amandine Crombé, Yacine Carlier, François Le Loarer, Benjamin Dallaudiere, Lionel Pesquer
No abstract text is available yet for this article.
August 3, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28770311/mr-neurography-mrn-of-the-long-thoracic-nerve-retrospective-review-of-clinical-findings-and-imaging-results-at-our-institution-over-4%C3%A2-years
#16
Swati Deshmukh, Laura M Fayad, Shivani Ahlawat
OBJECTIVE: Long thoracic nerve (LTN) injury can result in ipsilateral serratus anterior palsy and scapular winging. Traditional means of evaluating patients with suspected LTN injury include physical examination and electrodiagnostic studies. The purpose of our study is to describe high-resolution magnetic resonance (MR) findings in patients with clinical suspicion of LTN neuropathy. METHODS: In this HIPAA-compliant, IRB-approved, retrospective study, two radiologists reviewed MR imaging performed for long thoracic neuropathy...
August 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28770310/ultrasonographic-changes-after-steroid-injection-in-carpal-tunnel-syndrome
#17
Yeon Soo Lee, Eunseok Choi
OBJECTIVE: To determine the ultrasonographic changes after steroid injection in carpal tunnel syndrome (CTS) and to evaluate the diagnostic value of ultrasound in post-treatment examination with clinical correlation. MATERIALS AND METHODS: Twenty-seven wrists with idiopathic CTS after a single injection of 40 mg of prednisolone hydrochloride were prospectively studied using a high-resolution ultrasound. Axial images of the wrists were obtained at the level of the distal radius, pisiform and hamate prior to and 1, 4 and 8 weeks after steroid injection...
August 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28770309/mri-detection-of-soleus-muscle-injuries-in-professional-football-players
#18
G Pezzotta, G Querques, A Pecorelli, R Nani, S Sironi
OBJECTIVES: To describe magnetic resonance imaging (MRI) characteristics of soleus muscle injuries in symptomatic professional football players stratified according to both the Munich consensus statement and the British Athletics Muscle Injury Classification (BAMIC), and to investigate the association between specific MRI features and the "return to play" (RTP). MATERIALS AND METHODS: Professional football players with an episode of acute posterior calf pain and impaired function, subsequent to sports activity, underwent ultrasound followed by MRI examination reviewed by two different radiologists with more than 10 years of experience in the musculoskeletal system...
August 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28765991/ultrasound-elastography-in-tendon-pathology-state-of-the-art
#19
REVIEW
Romain Domenichini, Jean-Baptiste Pialat, Andrea Podda, Sébastien Aubry
Elastography assesses the biomechanical and structural properties of tissues by measuring their stiffness. Despite promising results, elastography has not yet earned its place in the daily practice of musculoskeletal radiologists. The purpose of this article is to present and examine the data available to date on ultrasound elastography of the tendons through a review of the literature to provide musculoskeletal radiologists with an overview that may help them better understand and use elastography routinely...
August 1, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28762096/a-teenager-presenting-with-a-forearm-mass
#20
EDITORIAL
Rachel Kopkin, Carlos Gimenez, Ernest Rudman
No abstract text is available yet for this article.
August 1, 2017: Skeletal Radiology
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