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Tanigawa T T Department of Otolaryngology,Aichi Medical - - 2014
Objective: Three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging has been used to detect alterations in the composition of inner-ear fluid. This study investigated the association between hearing level and the signal intensity of pre- and post-contrast three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging in patients with sudden-onset sensorineural hearing loss. ...
Papinutto Nico N Department of Neurology, University of California San Francisco, San Francisco, California, - - 2014
To present and assess a procedure for measurement of spinal cord total cross-sectional areas (TCA) and gray matter (GM) areas based on phase-sensitive inversion recovery imaging (PSIR). In vivo assessment of spinal cord GM and white matter (WM) could become pivotal to study various neurological diseases, but it is challenging ...
Ren Jimin J Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, Texas, USA; Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, - - 2014
The goal of this study was to amplify the effects of magnetization exchange between γ-adenosine triphosphate (ATP) and inorganic phosphate (Pi) for evaluation of ATP synthesis rates in human skeletal muscle. The strategy works by simultaneously inverting the (31) P resonances of phosphocreatine (PCr) and ATP using a wide bandwidth, ...
Gao Zhen Z Department of Otology and Skull Base Surgery, Eye and ENT Hospital, Fudan University, Shanghai, - - 2014
To investigate the correlation between findings of three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging (3D FLAIR MRI) and baseline as well as outcome variables of idiopathic sudden sensorineural hearing loss (ISSHL). Publications of all languages listed in PubMed and EMBASE STUDY SELECTION: Studies of ISSHL patients without primary treatment and ...
Gagliardo Cesare C Department of Biopathology and Medical and Forensic Biotechnologies, Section of Radiological Sciences, University of Palermo; Italy - cesare.gagliardo@unipa.it - - - 2014
Many reports have described adrenal myelolipomas but there have been only a few reports of extra-adrenal myelolipomas. We describe a 74-year-old woman who came to our observation for MRI of the lumbar spine for typical lumbar back pain. In addition to signs of mild scoliosis and spondylo disc arthrosis, MR ...
Young Benjamin D BD Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX - - 2014
T2-weighted (T2w) sequences are commonly relied upon in magnetic resonance imaging protocols for the detection of brain lesions in dogs. Previously, the effect of fluid suppression via fluid-attenuated inversion recovery (FLAIR) has been compared to T2-weighting with mixed results. Short tau inversion recovery (STIR) has been reported to increase the ...
Fujibayashi Shunsuke S *Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan †The B.A.C.K. Center, 2222 South Harbor City Blvd., Melbourne, FL 32901, - - 2014
Study Design. Prospective consecutive clinical study to assess the decompressive benefit and outcome of OLIF for lumbar degenerative diseases.Objective. To evaluate radiologically the effect of interbody distraction upon neuroformal patency via an anterolateral retroperitoneal approach for the treatment of lumbar degenerative diseases.Summary of Background Data. Traditional treatment for symptomatic lumbar ...
Madelin Guillaume G Department of Radiology, Center for Biomedical Imaging, New York University School of Medicine, New York, New York, - - 2014
To assess the possible utility of machine learning for classifying subjects with and subjects without osteoarthritis using sodium magnetic resonance imaging data. Theory: support vector machine, k-nearest neighbors, naïve Bayes, discriminant analysis, linear regression, logistic regression, neural networks, decision tree, and tree bagging were tested. Sodium magnetic resonance imaging with ...
Streitberger Kaspar-Josche KJ Department of Radiology, Charité - Universitätsmedizin Berlin, Berlin, - - 2014
To test in vivo magnetic resonance elastography (MRE) of the human intervertebral disk (IVD). The feasibility of MRE in IVD was demonstrated in ex vivo bovine disks. Sixteen asymptomatic volunteers underwent multifrequency MRE of the lumbar spine (IVD L3/4 and L4/5, n = 32) using a posterior plate transducer connected to a ...
Ueda Fumiaki F Department of Radiology, Kanazawa University - - 2014
We report the time course of magnetic resonance imaging and spectroscopy of a case with lesions of the splenium and white matter with transiently reduced diffusion in clinically reversible encephalopathy. Initially normal spectroscopy showed slightly elevated choline. Signal abnormality in T2-weighted and fluid-attenuated inversion recovery images persisted for 90 days. ...
Federau Christian C University Hospital Center and University of Lausanne (CHUV-UNIL), Lausanne, - - 2014
The feasibility to measure brain perfusion using intravoxel incoherent motion (IVIM) MRI has been reported recently with currently clinically available technology. The method is intrinsically local and quantitative, but is contaminated by partial volume effects with cerebrospinal fluid (CSF). Signal from CSF can be suppressed by a 180° inversion recovery ...
Zhang Y Y State Key Laboratory of Nonlinear Mechanics (LNM) , Institute of Mechanics, Chinese Academy of Sciences , Beijing 100190, People's Republic of - - 2014
The resonant frequency shifts of a circular membrane caused by an adsorbate are the sensing mechanism for a drum resonator. The adsorbate mass and position are the two major (unknown) parameters determining the resonant frequency shifts. There are infinite combinations of mass and position which can cause the same shift ...
Komurcu Hatice Ferhan HF Ankara Ataturk Education and Research Hospital, Neurology Section, Ankara, - - 2014
The clinical importance of F-wave inversion in the diagnosis of Carpal Tunnel Syndrome (CTS) is not yet well known. This study aims to investigate the value of F-wave inversion in diagnosing CTS, and to evaluate the relationship of F-wave inversion with age, gender, diabetes mellitus, body mass index (BMI), wrist ...
Kido Tomoyuki T Department of Radiology, Ehime University Graduate School of Medicine, Japan. Electronic address: - - 2014
Late gadolinium enhancement (LGE) magnetic resonance imaging (MRI) is a useful technique for detecting myocardial fibrosis. LGE images are typically acquired using the inversion recovery (IR) method. Recently, phase-sensitive inversion recovery (PSIR) technology has been developed. The purpose of this study was to evaluate free-breathing 3D PSIR sequencing in comparison ...
Chen Zhi-Ye ZY Department of Radiology, Chinese People's Liberation Army General Hospital, Beijing 100853, - - 2014
MULTIPLE sclerosis (MS) is a common inflammatory demyelinating disorder of central nervous system, and the disease burder could be well evaluated by conven- tional magnetic resonance imaging (MRI), including T2-weighted, fluid-attenuatd inversion recovery, and postcontrast T1-weighted sequences. We investigated the perfusion state of MS plaques using brain perfusion imaging in ...
Arthurs Owen J - - 2014
The objective was to evaluate the use of fruit juice with an interactive inversion recovery (IR) MR pulse sequence to visualise the gastrointestinal tract. We investigated the relaxation properties of 12 different natural fruit juices in vitro, to identify which could be used as oral contrast. We then describe our ...
Yan Chenggong C Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Avenue North, Guangzhou, 510515, Guangdong, People's Republic of - - 2014
To evaluate the diagnostic performance of five MR sequences to detect pulmonary infectious lesions in patients with invasive fungal infection (IFI), using multidetector computed tomography (MDCT) as the reference standard. Thirty-four immunocompromised patients with suspected IFI underwent MDCT and MRI. The MR studies were performed using five pulse sequences at ...
Hodel J J From the Departments of Neuroradiology (J.H., B.D., E.K., J.-P.P., X.L.) and Neurosurgery (R.A., J.-P.L.), Hôpital Roger Salengro, Lille, France; Institut National De La Santé et De La Recherche Médicale (M.A.B.), Centre for Research in Epidemiology and Population Health, Villejuif, France; Philips Medical Systems (D.C.), Suresnes, France; Department of Radiology (J.H., M.Z.), Hôpital Saint Joseph, Paris, France; and Department of Radiology (A.R., A.L.), Centre Hospitalier Universitaire, Henri Mondor, Créteil, France. - - 2014
The diagnosis of subacute subarachnoid hemorrhage is important because rebleeding may occur with subsequent life-threatening hemorrhage. Our aim was to determine the sensitivity of the 3D double inversion recovery sequence compared with CT, 2D and 3D FLAIR, 2D T2*, and 3D SWI sequences for the detection of subacute SAH. This ...
Renne Julius J From the Department of Diagnostic and Interventional Radiology (J.R., J.H., C.S., M.G., F.W., J.V.), Fraunhofer Institute for Toxicology and Experimental Medicine (C.W., C.F., F.S., N.K., J.M.H.), and Department of Pneumology (C.W., J.M.H.), Hannover Medical School, Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research, OE 8220, Carl-Neuberg-Str 1, 30625 Hannover, Germany; and Department of Experimental Physics (Biophysics), University of Würzburg, Würzburg, Germany - - 2014
Purpose To evaluate oxygen-enhanced T1-mapping magnetic resonance (MR) imaging as a noninvasive method for visualization and quantification of regional inflammation after segmental allergen challenge in asthmatic patients compared with control subjects. Materials and Methods After institutional review board approval, nine asthmatic and four healthy individuals gave written informed consent. MR ...
Ishibe Tatsuya T Center for Spine Surgery, Japan Community Health Care Organization Tamatsukuri Hospital, Matsue-shi, Shimane, - - 2014
Study Design. Report of 2 casesObjective. To report the usefulness of time-spatial labeling inversion pulse magnetic resonance imaging (T-SLIP MRI) for detection of the communicating hole(s) of spinal extradural arachnoid cysts (SEACs).Summary of Background Data. SEACs normally communicate with the subarachnoid space via small communicating hole(s) in the dura. It ...
Riederer I I From the Departments of Diagnostic and Interventional Neuroradiology (I.R., C.P., J.S.B., J.F.K., C.Z.) and Diagnostic and Interventional Radiology (D.C.K., M.S.), Neuroimaging Center at the Technische Universität München (C.P., M.M.), and Department of Neurology (M.M.), Klinikum rechts der Isar, Technische Universität München, Munich, Germany. - - 2014
MR imaging plays an important role in diagnosing MS and other related inflammatory diseases; however, imaging of the spinal cord is still challenging. We hypothesized that a 3D double inversion recovery sequence for cervical spinal cord imaging would be more sensitive in detecting inflammatory lesions than a conventional 2D T2-weighted ...
Hodel Jérôme J Department of Neuroradiology, Hôpital Roger Salengro, Rue Emile Laine, 59037, Lille, France, - - 2014
We compared the three-dimensional (3D) double inversion recovery (DIR) magnetic resonance imaging (MRI) sequence with the coronal two-dimensional (2D) short tau inversion recovery (STIR) fluid-attenuated inversion recovery (FLAIR) for the detection of optic nerve signal abnormality in patients with optic neuritis (ON). The study group consisted of 31 patients with ...
Shimizu Hironori H Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine.. Electronic address: - - 2014
To compare and evaluate images of non-contrast enhanced MR portography and hepatic venography acquired with two different fat suppression methods, the chemical shift selective (CHESS) method and short tau inversion recovery (STIR) method. Twenty-two healthy volunteers were examined using respiratory-triggered three-dimensional (3D) true steady-state free-precession (SSFP) with two time-spatial labeling ...
Gulko Edwin E Department of Radiology, Montefiore Medical Center, 111 East 210th Street, Bronx, NY, 10467-2401, USA, - - 2014
In modern times scurvy is a rarely encountered disease caused by ascorbic acid (vitamin C) deficiency. However, sporadic cases of scurvy persist, particularly within the pediatric population. Recent individual case reports highlight an increased incidence of scurvy among patients with autism or developmental delay, with isolated case reports detailing the ...
Haim Lev L Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel and Department of Oncology, Soroka University Medical Center, Beer Sheva, 84101, - - 2014
The entrainment of periodic patterns to spatially periodic parametric forcing is studied. Using a weak nonlinear analysis of a simple pattern formation model we study the resonant responses of one-dimensional systems that lack inversion symmetry. Focusing on the first three n:1 resonances, in which the system adjusts its wavenumber to ...
Michos Erin D ED Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland2Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, - - 2014
Vitamin D deficiency has been associated with hypertension, diabetes mellitus, and incident stroke. Little is known about the association between vitamin D and subclinical cerebrovascular disease. To examine the relationship of 25-hydroxyvitamin D (25[OH]D) levels with cerebrovascular abnormalities as assessed on brain magnetic resonance imaging (MRI) among participants of the ...
Jain Krishan K KK Department of Radiodiagnosis, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, UP, - - 2014
Subacute combined degeneration (SACD) of the spinal cord, characterized by degeneration of lateral and posterior columns, is often found in vitamin B12 deficiency. Our aim was to look for sensitivity of imaging in depicting the spinal cord abnormality in vitamin B12 deficient patients and to find any correlation of vitamin ...
Iizuka Y Y Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, - - 2014
Objectives:The purpose of this study was to clarify the prognostic factors for cervical spondylotic amyotrophy (CSA).Methods:The authors retrospectively reviewed the medical records of 47 consecutive patients with CSA in whom the presence/absence of the pyramidal tract sign was noted. We analyzed whether the age, sex, presence of diabetes mellitus, medication ...
Saboul Cécile C 1Department of Pediatrics, CHU Saint-Etienne, Saint-Etienne, - - 2014
Cerebral sinovenous thrombosis is unusual during childhood and requires early and accurate management because of its detrimental consequences. We report on the case of a 2-year-old boy with mild psychomotor delay, who presented with nonfebrile acute ataxia. A brain computed tomographic (CT) scan showed complete thrombosis of the superior sagittal ...
Sun Hye Young HY Department of Radiology, Seoul National University Bundang Hospital, 300 Gumidong, Bundag-Gu, Seong Nam, Gyeongi-Do, 463-707, - - 2014
Subacute combined degeneration (SCD) is a potentially reversible neurological complication of a vitamin B12 deficiency; therefore, timely diagnosis and appropriate treatment are of great importance. The study was to evaluate the spine MR imaging features of SCD in a series of patients. Eight patients diagnosed with SCD from 2008 to ...
Rodrigues Napoleão Ramalho NR From the Divisions of *Nuclear Medicine, and †Rheumatology of the Sirio-Libanes Hospital, São Paulo; Departments of ‡Orthopedic Surgery, and §Pathology, Campinas University, - - 2014
A 32-year-old woman presented with progressive myalgia, bone pain, fatigue, insufficiency hip fractures, high urine phosphate, and low serum phosphate and vitamin D levels. These findings were suggestive of oncogenic osteomalacia. A whole-body Tc-octreotide scintigraphy with SPECT/CT showed uptake on a sclerotic intramedullary lesion in the left medial tibia plateau. ...
Schlosser Rodney J RJ Department of Surgery, Ralph H. Johnson VA Medical Center, Charleston, SC; Division of Rhinology & Sinus Surgery, Department of Otolaryngology, Medical University of South Carolina, Charleston, - - 2014
The objective of this work was to determine if specific chronic rhinosinusitis with nasal polyps (CRSwNP) populations are at risk for vitamin D3 (VD3 ) deficiency and if VD3 levels correlate with radiographic measures of disease severity or eosinophilia. This study was a retrospective review of an academic rhinology practice. ...
Román Gustavo C GC Department of Neurology, Weill Cornell Medical College, Methodist Neurological Institute, Houston, TX, USA. Electronic address: - - 2014
A large number of causal agents produce spinal cord lesions in the tropics. Most etiologies found in temperate regions also occur in the tropics including trauma, herniated discs, tumors, epidural abscess, and congenital malformations. However, infectious and nutritional disorders occur with higher prevalence in tropical regions. Among the most common ...
Gratton Sean M SM Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, FL, - - 2014
Visual loss due to optic neuropathy is a rare manifestation of thiamine deficiency. We report a case of a 39-year-old woman with a body mass index (BMI) of 29 kg/m(2) who developed visual loss and bilateral optic nerve head swelling after a short, self-limited gastrointestinal illness. She was disoriented and ...
Chakrabarty Biswaroop B 1Child Neurology Division, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, - - 2013
Deficiency of vitamin B12 causes megaloblastic anemia and nervous system demyelination. Structures affected in the nervous system include spinal cord, cranial and peripheral nerves, and brain white matter. A 9-year-old boy presented with knuckle hyperpigmentation and oral ulcers for 3 years, pallor and easy fatigability for 6 months, gait abnormalities ...
Gupta P K - - 2013
BACKGROUND AND PURPOSE:Vitamin B12 deficiency may cause neural injury that results in cognitive deficits. The main purpose of our study was to evaluate morphometric and microstructural changes in the brain and relate them to cognition in subacute combined degeneration of the spinal cord and patients with biochemically deficient vitamin B12.MATERIALS ...
Xu Yao - - 2013
Although it has been observed that a vitamin B12 (VB12) deficiency may lead to defects in the nervous system, there is a lack of studies elucidating whether VB12 has a role in the pathogenesis of cervical spondylotic myelopathy (CSM). The present study describes two cases of CSM observed in the ...
Berg Isaac - - 2013
Vitamin D and vitamin D binding protein (DBP) have been associated with COPD and FEV1. There are limited data regarding emphysema and vitamin D and DBP. This is a pilot study of a portion of the subjects in the Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints (ECLIPSE) study ...
Mangialasche F F Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden. - - 2013
The aim of this study was to evaluate the accuracy of combined structural magnetic resonance imaging (MRI) measures and plasma levels of vitamin E forms, including all eight natural vitamin E congeners (four tocopherols and four tocotrienols) and markers of vitamin E oxidative/nitrosative damage, in differentiating individuals with Alzheimer's disease ...
Filippi Massimo - - 2013
Evaluation of: Løken-Amsrud KI, Myhr KM, Bakke SJ et al. Retinol levels are associated with magnetic resonance imaging outcomes in multiple sclerosis. Mult. Scler. doi:10.1177/1352458512457843 (2012) (Epub ahead of print). A combination of genetic and environmental factors probably plays a role in determining an increased susceptibility to multiple sclerosis (MS). Among these ...
Gürsoy Azize Esra - - 2013
Subacute combined degeneration (SCD) is a rare neurological complication of vitamin B12 deficiency, characterized by demyelination of the dorsal and lateral spinal cord. Herein, we describe three cases, who presented with SCD, one related to reduced intake of vitamin B12 because of a vegetarian diet and two related to nitrous ...
de Kubber Marije M - - 2013
Splenic injury is normally associated with trauma, but spontaneous splenic rupture has been described in various systemic diseases. A 56-year-old male on oral anticoagulation presented to the emergency department with epigastric pain, nausea, and left upper quadrant tenderness. There was no history of trauma. Contrast-enhanced CT imaging revealed a large ...
Cavalieri Margherita - - 2012
BACKGROUND AND PURPOSE: Elevated concentrations of homocysteine are associated with cerebral small vessel disease (CSVD). B-vitamin supplementation with folate and vitamins B(12) and B(6) reduces homocysteine concentrations. In a substudy of the VITAmins TO Prevent Stroke (VITATOPS) trial, we assessed the hypothesis that the addition of once-daily supplements of b ...
Rosenbaum David - - 2012
18F-FDG PET is a new noninvasive tool for inflammation functional imaging. Low spatial resolution is now compensated by coregistration with CT or MRI. New mechanistic insights have emerged from animal and histology to explain the obtained signals by hypoxia, macrophage infiltration, and differentiation. Mixed results have been found in biomarkers ...
Medel Ricky R Department of Neurosurgery, University of Virginia Health Sciences Center, University of University, Charlottesville, Virginia 22902, - - 2012
Magnetic resonance-guided focused ultrasound surgery (MRgFUS) is a novel combination of technologies that is actively being realized as a noninvasive therapeutic tool for a myriad of conditions. These applications are reviewed with a focus on neurological use. A combined search of PubMed and MEDLINE was performed to identify the key ...
Bettinardi Valentino - - 2012
Hybrid positron emission tomography (PET)/computed tomography (CT) scanners combine, in a unique gantry, 2 of the most important diagnostic imaging systems, a CT and a PET tomograph, enabling anatomical (CT) and functional (PET) studies to be performed in a single study session. Furthermore, as the 2 scanners use the same ...
Garg Madhur K - - 2012
The introduction of image-guided radiation therapy and intensity-modulated radiation therapy has led to unparalleled advances in achieving precise dose conformality in radiation therapy and ushered in new possibilities in organ preservation. Without the ability to meticulously delineate radiation treatment volumes, these advantages would be clinically irrelevant. Positron emission tomography (PET)/computed ...
Scripes Paola G - - 2012
The usage of functional data in radiation therapy (RT) treatment planning (RTP) process is currently the focus of significant technical, scientific, and clinical development. Positron emission tomography (PET) using ((18)F) fluorodeoxyglucose is being increasingly used in RT planning in recent years. Fluorodeoxyglucose is the most commonly used radiotracer for diagnosis, ...
Hayter Catherine L - - 2012
Overuse and traumatic injuries of the elbow are common, occurring in both athletes and nonathletes. This article will discuss the commonly encountered soft-tissue and osseous pathologic abnormalities around the elbow and their imaging appearance on MRI and ultrasound. The current treatment of tendon disease of the elbow is reviewed, with ...
Jolly K - - 2012
A 58-year-old white woman presented with sudden onset of diplopia, headache and vomiting with a history of tiredness and lethargy over the past four to six months. She had smooth, pale, hairless skin and on examination she was found to have left-sided third and sixth nerve palsy. Laboratory tests confirmed ...
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