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https://www.readbyqxmd.com/read/29355803/full-endoscopic-interlaminar-approach-for-nerve-root-decompression-of-sacral-metastatic-tumor
#1
Sheng-Hua Tsai, Hsuan-Han Wu, Chun-Yuan Cheng, Chien-Min Chen
BACKGROUND: Endoscopic surgery has been successfully applied in the treatment of degenerative spinal disease, but few studies have assessed its use in treating sacral metastasis. Herein, a successful full endoscopic interlaminar approach for sacral nerve root decompression of a sacral metastatic tumor was presented. CASE DESCRIPTION: An 80-year-old man with history of hepatocellular carcinoma suffered from buttock pain with radiation to the right lower leg for one week...
January 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29354756/multifocal-intradural-extramedullary-anaplastic-ependymoma-of-the-spine
#2
Ananya Chakravorty, Ellen Frydenberg, Tint Tint Shein, John Ly, Peter Earls, Timothy Steel
Ependymomas are neuroectodermal tumours arising from the ependymal lining of the ventricles and central canal of the spinal cord. Intradural extramedullary (IDEM) ependymomas which are multifocal, and/or anaplastic (WHO grade III) at presentation are exceedingly rare. We present the second case of multifocal anaplastic IDEM ependymoma in the literature. A 47-year old female presented with left gluteal and thigh pain radiating to the groin associated with paraesthesiae. She had a normal neurological examination...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29354748/spondylolisthesis-with-spondylolysis-in-a-17-month-old-a-case-report
#3
Marc O'Donnell, William F Lavelle, Mike H Sun
Spondylolysis is frequently seen in adolescents, typically at the L5 vertebral level. While there may be a congenital predisposition for spondylolysis, it has long been suggested that the defect results from a fatigue or stress fracture of the pars interarticularis. Spondylolisthesis may result from a bilateral spondylolytic defect and is frequently asymptomatic. There is a paucity of literature on infant and toddler spondylolysis, as the focus is primarily on school-aged children, typically those over ten years of age...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29354744/three-dimensional-reconstructions-in-spine-and-screw-trajectory-simulation-on-3d-digital-images-a-step-by-step-approach-by-using-mimics-software
#4
REVIEW
Dong Chen, Chun-Hui Chen, Li Tang, Kai Wang, Yu-Zhe Li, Kevin Phan, Ai-Min Wu
There is a rapidly increasing amount of literature outlining the use of three-dimensional (3D) reconstruction and printing technologies in recent years. However, precise instructive articles which describe step-by-step methods of reconstructing 3D images from computed tomography (CT) or magnetic resonance imaging (MRI) remain limited. To address these issues, this article describes a detailed protocol which will allow the reader to easily perform the 3D reconstruction in their future research, to allow investigation of the appropriate surgical anatomy and allow innovative designs of novel screw fixation techniques or pre-operative surgical planning...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29354166/adult-onset-hypophosphatasia-diagnosed-following-bilateral-atypical-femoral-fractures-in-a-55-year-old-woman
#5
John E Lawrence, Danish Saeed, Jonathan Bartlett, Andrew D Carrothers
We report the case of a 55-year-old woman who presented to the emergency department having woken from sleep with right sided thigh swelling. Pelvic radiographs revealed bilateral atypical subtrochanteric femoral fractures (ASFFs). In the two years leading up to this admission, the patient had experienced gradually increasing pain and weakness in her legs which had resulted in a decrease in her mobility from fully mobile to bed-bound. During this time a neurologist had organised a magnetic-resonance imaging (MRI) scan of the brain and spine which was normal...
September 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/29350649/magnetic-resonance-imaging-in-degenerative-disease-of-the-lumbar-spine-fat-saturation-technique-and-contrast-medium
#6
Paola D'Aprile, Michelangelo Nasuto, Alfredo Tarantino, Giuseppe Guglielmi, J Randy Jinkins
PURPOSE: To examine both anterior and posterior elements of the lumbar spine in patients with low back pain using MRI T2-weighted sequences with Fat Saturation (FS) and contrast enhanced T1-weighted sequences with FS. MATERIALS AND METHODS: Two thousand eight hundred and twenty (2820) patients (1628 male, 1192 female, mean age 54) presenting low back pain underwent MRI standard examination (Sagittal T1w TSE and T2w TSE, axial T1 SE) with the addition of sagittal and axial T2w Fat Sat (FS) sequences...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350639/dynamic-mri-in-the-evaluation-of-the-spine-state-of-the-art
#7
Giulia Michelini, Antonella Corridore, Silvia Torlone, Federico Bruno, Claudia Marsecano, Raffaella Capasso, Ferdinando Caranci, Antonio Barile, Carlo Masciocchi, Alessandra Splendiani
INTRODUCTION: Degenerative disease of the spine is a generic term encompassing a wide range of different disease processes, which leads to spinal instability; traumatic/neoplastic events can accelerate this aging process. Therefore, the dynamic nature of the spine and its mobility across multiple segments is difficult to depict with any single imaging modality. METHODS: A review of PubMed databases for articles published about kMRI in patients with cervical and lumbar spinal desease was performed...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350635/magnetic-resonance-imaging-correlates-of-benign-and-malignant-alterations-of-the-spinal-bone-marrow
#8
Ferdinando Caranci, Enrico Tedeschi, Lorenzo Ugga, Alessandra D'Amico, Serena Schipani, Silvia Bartollino, Claudio Russo, Alessandra Splendiani, Francesco Briganti, Marcello Zappia, Mariarosa A B Melone, Carlo Maschiocchi, Luca Brunese
BACKGROUND AND AIM OF THE WORK: Bone marrow (BM) abnormalities in the spine are a common, sometimes unexpected, finding on Magnetic Resonance Imaging (MRI), which is the most sensitive imaging modality to evaluate the marrow, and their interpretation can be difficult for the unexperienced radiologist. In this review, the MRI appearance of normal age-related BM changes, as well as the imaging features of benign and malignant diseases, are presented. DISCUSSION: A large variety of BM signal alterations has been identified and described, including normal variants, BM reconversion,  degenerative changes, infections, spondyloarthritis and osteonecrosis, trauma, neoplastic lesions (both primary or metastatic), post-radiation and chemotherapy sequelae...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350325/evaluation-and-management-of-rotator-cuff-tears-a-primary-care-perspective
#9
REVIEW
Ross Mathiasen, Christopher Hogrefe
PURPOSE OF REVIEW: To provide a primary care perspective regarding the evaluation and management of shoulder pain and rotator cuff tears. RECENT FINDINGS: In the primary care setting, rotator cuff pathology is commonly encountered. Information regarding the risks of oral medications for the management of the associated pain keeps mounting. Partial-thickness rotator cuff tears remain difficult to diagnose with a single imaging modality. Musculoskeletal education in medical schools and non-orthopaedic residency and fellowship training programs continues to be an area for additional improvement...
January 19, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29345223/case-report-neurobrucellosis-with-plastered-spinal-arachnoiditis-a-magnetic-resonance-imaging-based-report
#10
Saraswati Nashi, Veeramani Preethish-Kumar, Sayani Maji, Nagarathna Chandrashekar, Kiran Polavarapu, Chetan Kashinkunti, Kajari Bhattacharya, Jitender Saini, Atchayaram Nalini
Diffuse spinal arachnoiditis in neurobrucellosis is a rare manifestation. We report a boy aged 17, presenting with hearing impairment and recurrent vomiting for 18 months, weight loss for 12 months, dysphagia, dysarthria, hypophonia for 6 months, and gait unsteadiness for 5 months. He had bilateral 5th (motor) to 12th cranial nerve palsy, wasting and weakness of limbs, fasciculations, absent tendon reflexes, and positive Babinski's sign. Cerebrospinal fluid (CSF) showed raised protein and pleocytosis. Magnetic resonance imaging (MRI) showed extensive enhancing exudates in cisterns and post-contrast enhancement of bilateral 5th, 6th, 7th, and 8th nerves...
January 15, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29343510/limited-radiographic-progression-and-sustained-reductions-in-mri-inflammation-in-patients-with-axial-spondyloarthritis-4-year-imaging-outcomes-from-the-rapid-axspa-phase-iii-randomised-trial
#11
Désirée van der Heijde, Xenofon Baraliakos, Kay-Geert A Hermann, Robert B M Landewé, Pedro M Machado, Walter P Maksymowych, Owen R Davies, Natasha de Peyrecave, Bengt Hoepken, Lars Bauer, Tommi Nurminen, Juergen Braun
OBJECTIVES: To report 4-year imaging outcomes in the RAPID-axSpA (NCT01087762) study of patients with ankylosing spondylitis (AS) and non-radiographic axial spondyloarthritis (nr-axSpA), treated with certolizumab pegol (CZP). METHODS: This phase III, randomised trial was placebo-controlled and double-blind to week 24, dose-blind to week 48 and open-label to week 204. Patients fulfilling the Assessment of Spondyloarthritis International Society (ASAS) axSpA criteria with active disease were stratified (AS/nr-axSpA) according to the modified New York (mNY) criteria at randomisation...
January 17, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29336632/m%C3%A3-bius-syndrome-with-cardiac-rhabdomyomas
#12
Aimee Verner, Swati Agarwal-Sinha, Frank Yanfeng Han
BACKGROUND: Möbius syndrome is a rare congenital condition which presents not merely with 6th and 7th nerve palsies, but involves gaze paresis associated with craniofacial, limb, and other abnormalities. Heterogeneity is well known in patients with Möbius syndrome and rather than being of familial inheritance based on rare cases, it is much more recognized as a sporadic syndrome. We report an infant with features of congenital Möbius syndrome associated with cardiac rhabdomyomas in the absence of tuberous sclerosis...
January 16, 2018: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29332239/which-parameters-are-relevant-in-sagittal-balance-analysis-of-the-cervical-spine-a-literature-review
#13
REVIEW
Fong Poh Ling, T Chevillotte, A Leglise, W Thompson, C Bouthors, Jean-Charles Le Huec
INTRODUCTION: Cervical spine is part of the spine with the most mobility in the sagittal plane. It is important for surgeons to have reliable, simple and reproducible parameters to analyse the cervical. MATERIAL AND METHOD: This study is a systematic review and a critique of current parameters to help improve the study of cervical spinal balance. We conducted a systematic search of PUBMED/MEDLINE for literature published since January 2014. Only studies written in English and containing abstracts were considered for inclusion...
January 13, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29332032/value-of-conventional-mri-and-diffusion-tensor-imaging-parameters-in-predicting-surgical-outcome-in-patients-with-degenerative-cervical-myelopathy
#14
Canghai Shen, Haiwei Xu, Baoshan Xu, Xiaoguang Zhang, Xiaofeng Li, Qiang Yang, Xinlong Ma
BACKGROUND: In addition to conventional magnetic resonance imaging (cMRI), diffusion tensor imaging (DTI) has been investigated as a potential diagnostic and prognostic tool for patients with degenerative cervical myelopathy (DCM). OBJECTIVE: To assess the efficacy of cMRI and DTI parameters in prediction of surgical outcome in DCM patients. METHODS: One hundred and forty-two patients with DCM who underwent presurgical cMRI and DTI of the cervical spine were included...
December 29, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29328004/thoracolumbar-injury-classification-and-severity-score-in-children-a-reliability-study
#15
Ross L Dawkins, Joseph H Miller, Omar I Ramadan, Michael C Lysek, Elizabeth N Kuhn, Brandon G Rocque, Michael J Conklin, R Shane Tubbs, Beverly C Walters, Bonita S Agee, Curtis J Rozzelle
OBJECTIVE There are many classification systems for injuries of the thoracolumbar spine. The recent Thoracolumbar Injury Classification and Severity Score (TLICS) has been shown to be a reliable tool for adult patients. The aim of this study was to assess the reliability of the TLICS system in pediatric patients. The validity of the TLICS system is assessed in a companion paper. METHODS The medical records of pediatric patients with acute, traumatic thoracolumbar fractures at a single Level 1 trauma center were retrospectively reviewed...
January 12, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29321098/spondylodiscitis-diagnosis-and-treatment-options
#16
Christian Herren, Norma Jung, Miguel Pishnamaz, Marianne Breuninger, Jan Siewe, Rolf Sobottke
BACKGROUND: A recent population-based study from Denmark showed that the incidence of spondylodiscitis rose from 2.2 to 5.8 per 100 000 persons per year over the period 1995-2008; the age-standardized incidence in Germany has been estimated at 30 per 250 000 per year on the basis of data from the Federal Statistical Office (2015). The early diagnosis and treatment of this condition are essential to give the patient the best chance of a good outcome, but these are often delayed because it tends to present with nonspecific manifestations, and fever is often absent...
December 25, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29315127/tidemark-avulsions-are-a-predominant-form-of-endplate-irregularity
#17
Britta Berg-Johansen, Deeptee Jain, Ellen C Liebenberg, Aaron J Fields, Thomas M Link, Conor W O'Neill, Jeffrey C Lotz
STUDY DESIGN: Descriptive histologic and MRI study of human cadaveric spines. OBJECTIVE: To identify and characterize common endplate pathologies to form a histologic foundation for an etiology-based classification system. SUMMARY OF BACKGROUND DATA: Irregularities at the spinal disc-vertebra interface are associated with back pain and intervertebral disc herniation injuries. However, there is currently a lack of consensus regarding terminology for classification...
January 8, 2018: Spine
https://www.readbyqxmd.com/read/29315118/characteristics-of-cervical-spine-motion-in-different-types-of-cervical-alignment-kinematic-mri-study
#18
Kittipong Sessumpun, Permsak Paholpak, Kevork N Hindoyan, Koji Tamai, Thananit Sangkomkamhang, Zorica Buser, Jeffrey C Wang
STUDY DESIGN: Retrospective study. OBJECTIVE: To evaluate how each type of sagittal cervical alignment affects the motion of the upper and subaxial cervical spine using kinematic magnetic resonance imaging. SUMMARY OF BACKGROUND DATA: The sagittal malalignment of the cervical spine from degeneration in the subaxial cervical spine reflects a disruption in the kinematic properties of the cervical spine and affects the motion of adjacent segments...
January 8, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29313118/proton-density-fat-fraction-pdff-mri-for-differentiation-of-benign-and-malignant-vertebral-lesions
#19
Frederic Carsten Schmeel, Julian Alexander Luetkens, Peter Johannes Wagenhäuser, Michael Meier-Schroers, Daniel Lloyd Kuetting, Andreas Feißt, Jürgen Gieseke, Leonard Christopher Schmeel, Frank Träber, Hans Heinz Schild, Guido Matthias Kukuk
OBJECTIVES: To investigate whether proton density fat fraction (PDFF) measurements using a six-echo modified Dixon sequence can help to differentiate between benign and malignant vertebral bone marrow lesions. METHODS: Sixty-six patients were prospectively enrolled in our study. In addition to conventional MRI at 3.0-Tesla including at least sagittal T2-weighted/spectral attenuated inversion recovery and T1-weighted sequences, all patients underwent a sagittal six-echo modified Dixon sequence of the spine...
January 8, 2018: European Radiology
https://www.readbyqxmd.com/read/29312473/central-nervous-system-gadolinium-accumulation-in-patients-undergoing-periodical-contrast-mri-screening-for-hereditary-tumor-syndromes
#20
Evelynn Vergauwen, Anne-Marie Vanbinst, Carola Brussaard, Peter Janssens, Dieter De Clerck, Michel Van Lint, Anne C Houtman, Olaf Michel, Kathelijn Keymolen, Bieke Lefevere, Susanne Bohler, Dirk Michielsen, Anna C Jansen, Vera Van Velthoven, Sven Gläsker
Background: Patients with hereditary tumor syndromes undergo periodical magnetic resonance imaging (MRI) screening with Gadolinium contrast. Gadolinium accumulation has recently been described in the central nervous system after repeated administrations. The prevalence and rate of accumulation in different subgroups of patients are unknown. Neither are the mechanism nor clinical impact. This may cause uncertainty about the screening. To explore the prevalence and rate of Gadolinium accumulation in different subgroups, we retrospectively analyzed MRIs of patients with von Hippel-Lindau disease (VHL) and Tuberous Sclerosis Complex (TSC)...
2018: Hereditary Cancer in Clinical Practice
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