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Pulli Benjamin B From the Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, 185 Cambridge St, Boston, MA 02114 (B.P., L.B., G.R.W., Y.I., M.A., D.L., S.S., K.L.C.H., J.W.C.); Department of Radiology, Massachusetts General Hospital, Boston, Mass (B.P., J.W.C.); and European Institute for Molecular Imaging, University of Münster, Münster, Germany - - 2014
Purpose To test if MPO myeloperoxidase -Gd, a gadolinium-based magnetic resonance (MR) imaging probe that is sensitive and specific for the proinflammatory and oxidative enzyme myeloperoxidase ( MPO myeloperoxidase ), which is secreted by certain inflammatory cells, is more sensitive than diethylenetriaminepentaacetic acid ( DTPA diethylenetriaminepentaacetic acid )-Gd in revealing ...
Nakatsuka Yoshinari - - 2014
Abstract Objectives: 2-[18F]-fluoro-2-deoxy-D-glucose positron-emission tomography/-computed tomography (FDG-PET/CT) was reported useful for monitoring immunoglobulin G4-related disease (IgG4-RD); however, a quantitative FDG-PET/CT analysis such as total lesion glycolysis (TLG) has not yet been conducted. This study aimed to investigate whether TLG would correlate with serum markers in IgG4-RD, and the utility of ...
Murayama Sadayuki S Sadayuki Murayama, Department of Radiology, Graduate School of Medical Science, University of the Ryukyus, Okinawa 903-0215, - - 2014
Spontaneous pneumomediastinum (SPM) is described as free air or gas located within the mediastinum that is not associated with any noticeable cause such as chest trauma. SPM has been associated with many conditions and triggers, including bronchial asthma, diabetic ketoacidosis, forceful straining during exercise, inhalation of drugs, as well as ...
Yablonskiy Dmitriy A DA Department of Radiology, Washington University, St. Louis, Missouri, - - 2014
Quantitative susceptibility mapping (QSM) is a potentially powerful technique for mapping tissue magnetic susceptibility from gradient recalled echo (GRE) MRI. Herein we aim to derive the relationships between GRE signal phase and the underlying tissue microstructure and magnetic susceptibility at the cellular level. We use Maxwell's equations and a statistical ...
Bauer Christian - - 2014
We present a graph-based framework for airway tree reconstruction from CT scans and evaluate the performance of different feature categories and their combinations on five lung cohorts. The approach consists of two main processing steps. First, potential airway branch and connection candidates are identified and represented by a graph structure ...
Roemer F W FW Quantitative Imaging Center (QIC), Department of Radiology, Boston University School of Medicine, Boston, MA, USA; Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany. Electronic address: - - 2014
This narrative review covers original publications related to imaging in osteoarthritis (OA) published in English between April 2013 and March 2014. In vitro data, animal studies and studies with less than 20 observations were not included. To extract relevant studies, an extensive PubMed database search was performed based on, but not ...
Izadpanah Kaywan - - 2014
The purpose of the present study was to investigate the accuracy of Ultrasound (US), conventional X-Ray (CX) and Computed Tomography (CT) to estimate the total count, localization, morphology and consistency of Calcium deposits (CDs) in the rotator cuff. US, CX and CT imaging was performed pre-operatively in 151 patients who ...
O'Donovan Aoife A University of California, San Francisco, CA, USA; San Francisco Veteran's Affairs Medical Center and Northern California Institute for Research and Education, San Francisco, CA, USA. Electronic address: - - 2014
Inflammation may reduce hippocampal volume by blocking neurogenesis and promoting neurodegeneration. Posttraumatic stress disorder (PTSD) has been linked with both elevated inflammation and reduced hippocampal volume. However, few studies have examined associations between inflammatory markers and hippocampal volume, and none have examined these associations in the context of PTSD. We ...
Misra Devyani D Boston University School of Medicine, Boston, MA, USA. Electronic address: - - 2014
Role of intra-articular calcium crystals in osteoarthritis (OA) is unclear. Imaging modalities used to date for its evaluation have limitations in their ability to fully characterize intra-articular crystal deposition. Since Computed Tomography (CT) imaging provides excellent visualization of bones and calcified tissue, in this pilot project we evaluated the utility ...
van Gelderen Peter P Advanced MRI section, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, - - 2014
Recent MRI studies have suggested that the magnetic susceptibility of white matter (WM) in the human brain is anisotropic, providing a new contrast mechanism for the visualization of fiber bundles and allowing the extraction of cellular compartment-specific information. This study provides an independent confirmation and quantification of this anisotropy. Anisotropic ...
Duan Jiangjiang J Department of Chemistry, Wuhan University, Wuhan, 430072, China. - - 2014
Novel magnetic cellulose-TiO2 nanocomposite microspheres with high surface areas and magnetic susceptibility were fabricated, which exhibited remarkably selective enrichment of trace phosphopeptides from peptide mixtures.
Zhang Wei-Juan WJ Centre for Imaging Sciences, The University of Manchester, Oxford Road, Manchester M13 9PT, UK; Biomedical Imaging Institute, The University of Manchester, Oxford Road, Manchester M13 9PT, UK. Electronic address: - - 2014
To prospectively estimate the feasibility and reproducibility of dynamic oxygen-enhanced magnetic resonance imaging (OE-MRI) in the assessment of regional oxygen delivery, uptake and washout in asthmatic lungs. The study was approved by the National Research Ethics Committee and written informed consent was obtained. Dynamic OE-MRI was performed twice at one ...
Lange Nicholas N Department of Psychiatry, Harvard School of Medicine, Boston, Massachusetts; Neurostatistics Laboratory, McLean Hospital, Belmont, - - 2014
Since the impairments associated with autism spectrum disorder (ASD) tend to persist or worsen from childhood into adulthood, it is of critical importance to examine how the brain develops over this growth epoch. We report initial findings on whole and regional longitudinal brain development in 100 male participants with ASD ...
Kalantarian Shadi - - 2014
Atrial fibrillation (AF) is a common cause of stroke. Silent cerebral infarctions (SCIs) are known to occur in the presence and absence of AF, but the association between these disorders has not been well-defined. To estimate the association between AF and SCIs and the prevalence of SCIs in stroke-free patients ...
Yoon Ra Gyoung RG Department of Radiology and the Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, South - - 2014
Our study was intended to demonstrate the different signal intensity (SI) pattern of the putamen seen on susceptibility-weighted imaging (SWI) between that of Parkinson's disease (PD) and Parkinsonism-predominant multiple system atrophy (MSA-P), and to correlate it with (18)F-flurodeoxyglucose positron-emission tomography ((18)F-FDG PET). Thirty patients with PD and 17 with MSA-P ...
Boes Jennifer L JL Department of Radiology, University of Michigan, Center for Molecular Imaging, Ann Arbor, MI - - 2014
The longitudinal relationship between regional air trapping and emphysema remains unexplored. We have sought to demonstrate the utility of parametric response mapping (PRM), a computed tomography (CT)-based biomarker, for monitoring regional disease progression in chronic obstructive pulmonary disease (COPD) patients, linking expiratory- and inspiratory-based CT metrics over time. Inspiratory and ...
Trilisky Igor I From the Department of Radiology, MC2026, University of Chicago Medical Center, 5841 S Maryland Ave, Chicago, IL 60637 (I.T., A.H.D., M.W.V.); Department of Health Studies, University of Chicago, Chicago, Ill (K.W.); and Department of Medicine, Creighton University, Omaha, Neb - - 2014
Computed tomography (CT) colonography is a screening modality used to detect colonic polyps before they progress to colorectal cancer. Computer-aided detection (CAD) is designed to decrease errors of detection by finding and displaying polyp candidates for evaluation by the reader. CT colonography CAD false-positive results are common and have numerous ...
Zhao Yanbin Y Department of Orthopaedic Surgery, Peking University Third Hospital, Beijing 100191, - - 2014
Adjacent segment disease (ASD) is common after cervical fusion. The aim of this study was to evaluate the risk factors for ASD on X-ray and magnetic resonance imaging (MRI). Patients included in this study had received revision surgeries after developing symptomatic ASD following anterior decompression and fusion. A control group ...
Bouta Echoe M EM Center for Musculoskeletal Research, University of Rochester School of Medicine and Dentistry, Rochester, NY; Department of Biomedical Engineering, University of Rochester School of Medicine and Dentistry, Rochester, - - 2014
Contrast enhancement magnetic resonance imaging (CE-MRI) of synovial volume is the radiographic gold standard to quantify joint inflammation but cost limits use. Therefore, we examined if power Doppler-ultrasound (PD-US) outcomes of synovitis in tumor necrosis factor transgenic (TNF-Tg) mice correlate with CE-MRI. TNF-Tg mice underwent PD-US of their knees to ...
Braun Jurgen J Rheumazentrum Ruhrgebiet, Herne, Germany. - - 2014
The spondyloarthritides (SpA) are currently differentiated into axial and peripheral SpA. Patients with axial SpA (axSpA) may be further classified into the classical form ankylosing spondylitis (AS) and non-radiographic axSpA (nr-axSpA). The SpA are genetically linked, and the subtypes including psoriatic arthritis (PsA) share characteristic clinical symptoms such as inflammatory ...
Liu An-Bang AB Department of Neurology, Buddhist Tzu Chi General Hospital, Buddhist Tzu Chi University, Hualien, - - 2014
We applied multiscale entropy (MSE) to assess variation in crest time (CT), a parameter in arterial waveform analysis, in diagnosing patients with diabetes. Data on digital volume pulse were obtained from 93 individuals in three groups [Healthy young (Group 1, 20< age ≤40, n = 30), healthy upper-middle-aged (Group 2, age >40, n = 30), and ...
Verma Atul A Southlake Regional Health Centre, Newmarket, Ontario, Canada. Electronic address: - - 2014
Magnetic resonance imaging (MRI) has historically been considered contraindicated for individuals with cardiac implantable electronic devices (CIEDs) such as pacemakers and implantable defibrillators. Magnetic resonance scanners produce magnetic fields that can interact negatively with the metallic components of CIEDs. However, as CIED technology has advanced, newer MRI conditional devices have ...
Oelsner Elizabeth C EC Department of Medicine, College of Physicians and Surgeons, Columbia University Medical Center, 630 West 168(th) Street, PH9E-105, New York, NY 10032, USA. Electronic address: - - 2014
Dyspnea on exertion is a common and debilitating complaint, yet evidence for the relative value of cardiac and pulmonary tests for the evaluation of chronic dyspnea among adults without known cardiac or pulmonary disease is limited. The Multi-Ethnic Study of Atherosclerosis (MESA) enrolled participants ages 45-84 years who were free ...
Gano Dawn D Department of Pediatrics, University of California San Francisco, San Francisco, CA; Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada. Electronic address: - - 2014
To determine the rate of magnetic resonance imaging (MRI)-detected noncystic white matter injury (WMI) in a prospective cohort of premature newborns, and to evaluate its associations with changes in clinical predictors of WMI over the study period. A prospective cohort of premature newborns (<33 weeks gestational age) was studied with MRI ...
Plumb Andrew A AA 1 Centre for Medical Imaging, University College London, Podium Level 2, University College Hospital, 235 Euston Rd, London, NW1 2BU, United - - 2014
OBJECTIVE. The purpose of this article is to describe the MRI findings associated with lymphoid nodular hyperplasia at MR enterography and test the ability of radiologists to differentiate healthy control subjects from patients with Crohn disease (CD). MATERIALS AND METHODS. Ethical approval was granted for this retrospective study. Thirty-five subjects ...
Verma Atul A Southlake Regional Health Centre, Newmarket, Ontario, Canada. Electronic address: - - 2014
Magnetic resonance imaging (MRI) has historically been considered contraindicated for individuals with cardiac implantable electronic devices (CIEDs) such as pacemakers and implantable defibrillators. Magnetic resonance scanners produce magnetic fields that can interact negatively with the metallic components of CIEDs. However, as CIED technology has advanced, newer MRI conditional devices have ...
Tao Weijing W Department of Radiology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu 223300, - - 2014
Balanced steady-state free precession MR angiography (b-SSFP MRA) has shown great promise in diagnosing renal artery stenosis (RAS) as a non-contrast MR angiography (NC-MRA) method. However, results from related studies are inconsistent. The purpose of this meta-analysis was to assess the accuracy of b-SSFP MRA compared to contrast-enhanced MR angiography ...
Li Min M Department of Medical Imaging, Jinan Military General Hospital, Jinan, Shandong Province, - - 2014
We systematically analyzed the performance of magnetic resonance (MR) perfusion to diagnose coronary artery disease (CAD) with fractional flow reserve (FFR) as the reference standard. Myocardial MR perfusion has passed the stage of a research technique and has demonstrated the ability to detect functional or ischemic stenosis of coronary arteries. However, ...
Dong Ying Y Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas, - - 2014
To provide visualization of the brachytherapy seeds and differentiation with natural structures in MRI by taking advantage of their high magnetic susceptibility to generate positive-contrast images. The method is based on mapping the susceptibility using an equivalent short-TE sequence and a kernel deconvolution algorithm with a regularized L1 minimization. An ...
Ebtia Mahasti M Vancouver General and University of British Columbia Hospital Echocardiography Laboratory, Division of Cardiology, University of British Columbia, Vancouver, British Columbia, - - 2014
Echocardiographic methods for estimating right atrial (RA) volume have not been standardized. Our aim was to evaluate two-dimensional (2D) echocardiographic methods of RA volume assessment, using RA volume by magnetic resonance imaging (MRI) as the reference. Right atrial volume was assessed in 51 patients (mean age 63 ± 14 years, 33 female) who ...
Shiri Rahman R Centre of Expertise for Health and Work Ability, and Disability Prevention Centre, Finnish Institute of Occupational Health, Helsinki, - - 2014
This study aimed to assess the magnitude of the association between hypothyroidism and carpal tunnel syndrome (CTS). Eighteen studies were included in a random-effects meta-analysis. A meta-analysis of the studies that did not control their estimates for any confounder showed an association between a thyroid disease (hypo- or hyperthyroidism) and ...
Nasui Otilia C OC Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada, - - 2014
Our aim was to test the feasibility of blood oxygen level dependent magnetic resonance imaging (BOLD MRI) and dynamic contrast-enhanced (DCE) MRI to monitor periarticular hypoxic/inflammatory changes over time in a juvenile rabbit model of arthritis. We examined arthritic and contralateral nonarthritic knees of 21 juvenile rabbits at baseline and ...
Zhang Jun J aDepartment of Nuclear Medicine bGeneral Intensive Care Unit, The First Affiliated Hospital, Zhejiang University, Zhejiang, People's Republic of - - 2014
The aim of this study was to evaluate the diagnostic performance of fluorine-18 fluorodeoxyglucose-PET (F-FDG-PET), leukocyte scintigraphy (LS), and monoclonal antigranulocyte antibody scintigraphy (MAAS) in patients with inflammatory bowel disease (IBD) and perform pairwise comparisons of the diagnostic accuracy between these different imaging modalities. Through a search of PubMed, EMBASE, ...
Barrance Peter J PJ Kessler Foundation Research Center, West Orange, NJ, USA; Rutgers New Jersey Medical School, Newark, NJ, USA. Electronic address: - - 2014
Vertically open magnetic resonance imaging permits study of knee joint contact during weight bearing. Lateral wedging is a low cost intervention for knee osteoarthritis that may influence load distribution and contact. This study assessed the ability of feedback-assisted weight bearing magnetic resonance imaging to detect changes in tibiofemoral contact associated ...
Bressan Silvia S Department of Women's and Children's Health, University of Padova, Padova, Italy; Department of Emergency Medicine, Royal Children's Hospital, Melbourne, Australia; Murdoch Children's Research Institute, Melbourne, - - 2014
This study determined the predictors associated with the decision to perform a computed tomography (CT) scan in children with a minor head injury (MHI). We focused on those facing an intermediate risk of clinically important traumatic brain injury (ciTBI), according to the Pediatric Emergency Care Applied Research Network (PECARN) prediction ...
Xia Yi Y 1Department of Radiology, Changzheng Hospital of the Second Military Medical University , Shanghai , - - 2014
Abstract The study aimed to prospectively evaluate correlations between dynamic contrast-enhanced (DCE) MR perfusion imaging, pulmonary function tests (PFT) and volume quantitative CT in smokers with or without chronic obstructive pulmonary disease (COPD) and to determine the value of DCE-MR perfusion imaging and CT volumetric imaging on the assessment of ...
Buscombe J J Cambridge University Hospitals, Cambridge, UK - - - 2014
Inflammatory diseases are common place and often chronic. Most inflammatory cells have increased uptake of glucose which is enhanced in the presence of local cytokines. Therefore, imaging glucose metabolism by the means of 18F-fluoro-deoxy-glucose (FDG) positron emission tomography (PET) holds significant promise in imaging focal inflammation. Most of the work ...
Jain Nitin B NB Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Harvard Medical School, Boston, MA; Department of Orthopaedic Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Departments of Physical Medicine and Rehabilitation and Orthopaedics, Vanderbilt University Medical Center, Nashville, TN. Electronic address: - - 2014
Physiatrists encounter patients with rotator cuff disorders and imaging is frequently an important component of their diagnostic assessment. However, there is paucity of literature on reliability of MRI assessment between shoulder specialists and musculoskeletal radiologists. We assessed inter- and intra-rater reliability of MRI characteristics of the rotator cuff. Cross-sectional secondary ...
Moulton Kyle M KM Department of Medical Imaging, University of Saskatchewan, Saskatoon, SK, Canada, - - 2014
Gluteal tendinopathy and greater trochanteric pain syndrome (GTPS) remain incompletely understood despite their pervasiveness in clinical practice. To date, no study has analyzed the morphometric characteristics of the hip on magnetic resonance imaging (MRI) that may predispose to gluteal tendinopathy. This study aimed to evaluate whether acetabular anteversion (AA), femoral ...
Kayibanda Jeanne Françoise - - 2014
Contrast-induced acute kidney injury is a common cause of iatrogenic acute kidney injury (AKI). Most of the published estimates of AKI after contrast use originate from the cardiac catheterization literature despite contrast-enhanced computed tomography (CT) scans being the more common setting for contrast use. This systematic review aims to summarize ...
Thomen Robert P RP From the Department of Physics, Washington University in St Louis, St Louis, Mo (R.P.T., H.D.E., J.C.W.); Department of Internal Medicine (A.S., J.K., M.C.) and Mallinckrodt Institute of Radiology (J.D.Q.), Washington University School of Medicine, St Louis, Mo; and Center for Pulmonary Imaging Research (R.P.T., J.C.W.) and Division of Biostatistics and Epidemiology (R.D.S.), Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH - - 2014
Purpose To quantify regional lung ventilation in healthy volunteers and patients with severe asthma (both before and after thermoplasty) by using a combination of helium 3 ((3)He) magnetic resonance (MR) imaging and computed tomography (CT), with the intention of developing more effective image-guided treatments for obstructive lung diseases. Materials and ...
Kaaouana Takoua T Sorbonne Universités, UPMC Univ Paris 06, UM 75, ICM, F-75013 Paris, France; Inserm, U1127, ICM, F-75013 Paris, France; CNRS, UMR 7225, ICM, F-75013 Paris, France; ICM, Paris, France; Inria, Aramis project-team, Centre Paris-Rocquencourt, France; CATI, Paris, France. Electronic address: - - 2014
Cerebral microbleeds (CMBs) have emerged as a new imaging marker of small vessel disease. Composed of hemosiderin, CMBs are paramagnetic and can be detected with MRI sequences sensitive to magnetic susceptibility (typically, gradient recalled echo T2* weighted images). Nevertheless, their identification remains challenging on T2* magnitude images because of confounding ...
Lahner Matthias M Department of Orthopaedic Sports Surgery, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany, - - 2014
The aim of our study was to analyse the prevalence of femoro-acetabular impingement (FAI) in national elite track and field athletes compared to peers using magnetic resonance imaging (MRI) and clinical examination including impingement tests. A total of 44 participants (22 national elite track and field athletes and 22 non-athletes) ...
Zhao Xue-Qiao XQ Division of Cardiology, University of Washington School of Medicine, Seattle, Washington. Electronic address: - - 2014
Association between clinical factors and high-risk plaque features, such as, thin or ruptured cap, intraplaque hemorrhage, presence of lipid-rich necrotic core (LRNC), and increased LRNC volume as assessed by magnetic resonance imaging (MRI), was examined in patients with established vascular disease in the Atherothrombosis Intervention in Metabolic Syndrome With Low ...
Zaidi Syed Javed H SJ Department of Pediatrics, University of Hawai'i John A. Burns School of Medicine, Honolulu, HI; and Emergency Department, Kapi'olani Medical Center for Women & Children, Honolulu, - - 2014
The objective of the study was to determine differences in optic nerve sheath diameter (ONSD) measurements taken from computed tomography (CT) scans of patients with ventriculoperitoneal shunt (VPS) obstruction versus controls. Inpatients 0-15 years with confirmed VPS obstruction requiring neurosurgical intervention were identified using ICD9 codes. ONSDs, orbit, cranium, and ...
Nieuwstadt Harm A HA 1 Department of Biomedical Engineering, 2 Department of Radiology, Erasmus MC, Rotterdam, the Netherlands ; 3 Department of MR Clinical Science, Philips Healthcare, Best, the Netherlands ; 4 Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands ; 5 Department of Imaging Science and Technology, Delft University of Technology, Delft, the - - 2014
Carotid magnetic resonance imaging (MRI) is used to noninvasively assess atherosclerotic plaque fibrous cap (FC) status, which is closely related to ischemic stroke. Acquiring anisotropic voxels improves in-plane visualization, however, an oblique scan plane orientation could then obscure a FC (i.e., contrast below the noise level) and thus impair a ...
Sabarudin Akmal A 1 Diagnostic Imaging and Radiotherapy Programme, School of Diagnostic and Applied Health Sciences, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Malaysia ; 2 Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University, GPO Box U1987 Perth, Western Australia 6845, - - 2014
The purpose of this study was to analyse the diagnostic value of cerebral CT angiography (CTA) and CT perfusion (CTP) examinations in the detection of acute stroke based on a systematic review of the current literature. The review was conducted based on searching of seven databases for articles published between ...
Abu-Hmeidan Jareer H JH Department of General Surgery, Prince Mohammed bin Abdulaziz Hospital, Riyadh, Saudi - - 2014
Small bowel feces sign (SBFS) is a computed tomography (CT) finding that appears as fecal like material in dilated small bowel loops. This sign is usually seen in association with gradually progressive small bowel obstruction. We present a case of occlusive mesenteric ischemia in which the SBFS appeared on CT ...
Haliga Raluca - - 2014
In the pathophysiology of hepatic encephalopathy (HE), a serious complication of liver cirrhosis, different hypotheses, including increased blood ammonia levels, increased production and absorption of intestinal bacterial products are discussed. Recent studies demonstrated that Helicobacter pylori infection is associated with elevated blood ammonia levels. Inflammatory mediators and cytokines also play ...
Ross James R JR Sports Medicine and Shoulder Service, University of Michigan, Ann Arbor, Michigan, - - 2014
BACKGROUND:In the diagnosis and surgical treatment of cam-type femoroacetabular impingement (FAI), 3-dimensional (3D) imaging is the gold standard for detecting femoral head-neck junction malformations preoperatively. Intraoperative fluoroscopy is used by many surgeons to evaluate and verify adequate correction of the deformity. PURPOSE:(1) To compare radial reformatted computed tomography (CT) scans ...
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