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Sanders Don B DB University of Wisconsin School of Medicine and Public Health, Pediatrics , American Family Children's Hospital , 600 Highland Avenue, K4/920 , Madison, Wisconsin, United States , 53792-9988 , 608-265-3425 , 608-263-0510 ; - - 2014
Rationale: Abnormalities on chest CT in children with cystic fibrosis (CF) have been shown to correlate with short-term measures of lung disease. Chest CT scores offer promise as a potential surrogate endpoint in CF; however, there is very limited information available on the ability of chest CT scores to predict ...
Leung Kelvin K KK Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UK. Electronic address: - - 2014
Stable MR acquisition is essential for reliable measurement of brain atrophy in longitudinal studies. One attractive recent advance in MRI is to speed up acquisition using parallel imaging (e.g. reducing volumetric T1-weighted acquisition scan times from around 9 to 5minutes). In some studies, a decision to change to an accelerated ...
Ruangwattanapaisarn Nichanan N Department of Diagnostic and Therapeutic Radiology, Ramathibodi Hospital, Mahidol University, Bangkok, - - 2014
Ferumoxytol is an ultrasmall superparamagnetic iron oxide (USPIO) nanoparticle agent used to treat iron deficiency anemia in adults with chronic kidney disease. We aim to determine the feasibility of using ferumoxytol for clinical pediatric cardiac and vascular imaging. We retrospectively identified 23 consecutive children who underwent MRI with ferumoxytol (11 ...
Tao Hongyue H Department of Radiology, Huashan Hospital, Fudan University, 12 Wulumuqizhong Road, 200040, Shanghai, - - 2014
To evaluate repair tissue (RT) after microfracture treatment for full-thickness cartilage defect models using quantitative MRI and investigate the correlations between MRI and histological findings. The animal experiment was approved by the Animal Care and Use Committee of our college. Thirty-six full-thickness cartilage defect models in rabbit knee joints were ...
Wierzbicki Venceslao V Neurosurgical Division of the Rome Army Medical Center, Rome, - - 2014
This article aims at presenting a scale that, through the analysis of MRI images, clearly charts the various degenerative stages of the cervical spine and establishes its biological age. We have created this scale by summing together various scores linked to a selection of parameters according to which MRI images ...
Kaster Tyler S TS The National Cardiac PET Centre, Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, - - 2014
Coronary artery calcium is an important marker of coronary artery disease. Myocardial perfusion imaging (MPI) using PET-CT technology requires a CT scan for attenuation correction (CTAC) but is not used routinely to measure coronary calcium burden. This study aimed to determine if a low-dose CTAC scan can also accurately quantify ...
Kobayashi H H Department of Orthopedic Surgery, Yokohama City University Medical Center, 4-57, Urafune-cho, Minami, Yokohama, Kanagawa 232-0024, Japan; Department of Orthopedic Surgery, Yokohama City University Graduate School of Medicine, 3-9, Fukuura, Yokohama, Kanagawa 236-0004, Japan. Electronic address: - - 2014
It is essential to understand rotational alignment of the distal femur when performing total knee arthroplasty (TKA). Several rotational landmarks including condylar twist angle (CTA) are used for preoperative planning and during TKA. Axial radiography of the distal femur is used for measuring the CTA, and assessing rotational alignment in ...
Steinberg Julia S JS Department of Ophthalmology, University of Bonn, Bonn, - - 2014
Purpose: To evaluate longitudinal variations of reticular drusen (RDR) in age-related macular degeneration using confocal scanning laser ophthalmoscopy (cSLO), near-infrared reflectance (NIR) and spectral-domain optical coherence tomography (SD-OCT) imaging. Methods: Eighteen eyes of 12 patients with RDR (median observational time 5 months, range 3-10) were included. Changes over time in ...
Maki Masahiro M Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine , Kamigyo-ku, Kyoto , - - 2014
Background. The purpose of this study was to investigate the relationship between magnetic resonance imaging (MRI) findings before extracorporeal shockwave therapy (ESWT) and the treatment outcome of ESWT. Methods. This study examined 50 feet with chronic plantar fasciitis. The scores before ESWT and after a six-month follow-up were investigated using ...
Išgum Ivana I Image Sciences Institute, University Medical Center Utrecht, - - 2014
A number of algorithms for brain segmentation in preterm born infants have been published, but a reliable comparison of their performance is lacking. The NeoBrainS12 study (http://neobrains12.isi.uu.nl), providing three different image sets of preterm born infants, was set up to provide such a comparison. These sets are (i) axial scans ...
Koga Hiroyuki H Department of Pediatric General and Urogenital Surgery, Juntendo University School of Medicine, Tokyo Japan. Electronic address: - - 2014
All reports comparing laparoscopy-assisted anorectoplasty (LAARP) with posterior sagittal anorectoplasty (PSARP) in male high-type imperforate anus include a mix of recto-vesical, recto-prostatic, recto-bulbar, and absent fistula cases without focusing on recto-bulbar fistula (RBF), the most challenging type to treat laparoscopically. We compared LAARP with PSARP for treating only RBF. We ...
Shang Dong-Ping - - 2014
Objectives: To investigate the impacts of the different three-dimensional CT (3DCT) scanning modes on the GTV delineation for solitary pulmonary lesion (SPL) based on four-dimensional CT (4DCT), and to evaluate the feasibility of using the spiral CT scan in CT simulation.Materials and methods: Twenty-one patients with SPL underwent axial CT ...
de Lavernhe Isaure I Department of Pediatric Pulmonary Medicine, Amiens University Hospital, 1, Place Victor Pauchet, Amiens Cedex 1 80054, - - 2014
The progressive changes in lung morphology observed in cystic fibrosis (CF) can potentially affect the statistical distribution of computed tomography (CT) density values. This study aimed to characterize the lung CT density distributions by quantifying indices of the kurtosis and skewness of the lung density distribution and to compare these ...
Bögli Sabine S Mathematisches Institut, Universität Bern , Alpeneggstrasse 22, 3012 Bern, - - 2014
In this paper, we confirm, with absolute certainty, a conjecture on a certain oscillatory behaviour of higher auto-ionizing resonances of atoms and molecules beyond a threshold. These results not only definitely settle a more than 30 year old controversy in Rittby et al. (1981 Phys. Rev. A 24, 1636-1639 (doi:10.1103/PhysRevA.24.1636)) ...
Alizai Hamza H Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, MA, - - 2014
Arthroscopy-based semiquantitative scoring systems such as Outerbridge and Noyes' scores were the first to be developed for the purpose of grading cartilage defects. As magnetic resonance imaging (MRI) became available faor evaluation of the osteoarthritic knee joint, these systems were adapted for use with MRI. Later on, grading methods such ...
Sillanpää Niko N Medical Imaging Center, Tampere University Hospital, PL 2000, 33521 Tampere, Finland. Electronic address: - - 2014
We studied the interplay between collateral circulation, the location of the thrombus and infarct extent based on evaluation of CT angiography source images (CTA-SI) in predicting the clinical outcome of patients treated with intravenous thrombolytic therapy (<3h) in a retrospective cohort. Anterior circulation occlusion was detected with CTA in 105 ...
Li Zhengyan Z Division of Radiology, West China Hospital of Sichuan University, No.37, Guoxue Alley, Chengdu, Sichuan, - - 2014
The aim of the study is to investigate the CT imaging findings of severe acute pancreatitis (SAP) complicated with acute kidney injury (AKI) and evaluate the correlation between the CT imaging score and the presence of AKI in SAP. Contrast-enhanced CT scanning was performed for all 145 patients. Related CT ...
Lamba Ramit R 1 Department of Radiology, University of California Davis Health System, 4860 Y St, Ste 3100, Sacramento, CA - - 2014
OBJECTIVE. The purpose of this study is to determine whether Hounsfield numbers of soft tissues on unenhanced abdominal CT of the same patient vary on repeat scans done on two different manufacturers' MDCT scanners. MATERIALS AND METHODS. A database search was performed to identify patients older than 18 years who ...
Venugopal Vasanthakumar - - 2014
The purpose of this study was to formulate a magnetic resonance imaging-based scoring system for differentiating tuberculous arthritis from advanced osteonecrosis of the femoral head. Magnetic resonance imaging findings in 18 hips with tuberculous arthritis and 36 hips with advanced osteonecrosis of the femoral head were reviewed retrospectively. Confirmation of ...
Schleich C C Medical Faculty, Department of Diagnostic and Interventional Radiology, University Dusseldorf, D-40225, Dusseldorf, - - 2014
To intra-individually assess the association of inflammation severity and cartilage composition measured by RAMRIS synovitis sub-score and delayed gadolinium-enhanced magnetic resonance imaging of the cartilage (dGEMRIC) of metacarpophalangeal (MCP) joints in patients with rheumatoid arthritis (RA). Forty-three patients with RA according to ACR/EULAR classification criteria (age 52.9 ± 14.5 years, range, 18-77 years) were ...
O'Neil Brian B Department of Emergency Medicine, School of Medicine, Wayne State University, 4201 St. Antoine, University Health Center 6-G, Detroit, MI - - 2014
Traumatic brain injury accounts for over 1 million U.S. emergency department visits annually. A significant percentage of patients undergo CT scans to exclude intracranial bleeds. The Standardized Assessment of Concussion (SAC) is designed to rapidly determine whether a concussion has occurred, (0-30 scale, where ≥25 is considered normal). Although not ...
Bodanapally Uttam K UK Departments of Radiology - - 2014
OBJECT The object of this study was to determine the specific CT findings of the injury profile in penetrating brain injury (PBI) that are risk factors related to intracranial arterial injuries. METHODS The authors retrospectively evaluated admission head CTs and accompanying digital subtraction angiography (DSA) studies from patients with penetrating ...
Abend Nicholas S NS Departments of Neurology and Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA, - - 2014
Electroencephalographic monitoring is being used with increasing frequency in critically ill children who may require frequent and sometimes urgent brain CT scans. Standard metallic disk EEG electrodes commonly produce substantial imaging artifact, and they must be removed and later reapplied when CT scans are indicated. To determine whether conductive plastic ...
Kang In Sook IS Division of Cardiology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, - - 2014
Amiodarone is one of the most widely used antiarrhythmic agents; however, amiodarone-induced pulmonary toxicity (APT) can be irreversible and sometimes fatal. The aim of this study was to evaluate the feasibility of chest computed tomography (CT) as a diagnostic tool for APT and to assess the utility of the CT ...
Uwano Ikuko I Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical - - 2014
Purpose: We investigated sensations experienced by a large number of subjects during magnetic resonance (MR) imaging examinations using a 7-tesla scanner and slow table-feed speed.Methods: After examinations at 7T, 504 of 508 consecutive subjects completed questionnaires using an 11-point scale to rate 14 potential sensations and symptoms during table movement ...
Wu Ying Wei YW aDepartment of Radiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China Departments of bRadiology cPsychiatry, Mt. Sinai School of Medicine, New York, New York, - - 2014
We studied the effect of oxygen inhalation during resting state functional MRI scanning in healthy control individuals. We hypothesized that resting state networks would be modified under hyperoxic conditions. Thirty-four normal volunteers were recruited for this study. All participants were scanned twice: once while breathing atmospheric air and once under ...
Selby Michael G MG Division of Nephrology and Hypertension, Mayo Clinic, Rochester, - - 2014
To find the optimal characterization of asymptomatic radiographic stone burden on computed tomography (CT) scans. A survey was sent to stone formers who underwent a CT scan while asymptomatic during a stone clinic evaluation. Symptomatic stone passage events after CT scan were detected by survey and medical record review. Radiographic ...
Maudsley Andrew A University of Miami, Radiology , 1150 NW 14th St. , Suite 713 , Miami, Florida, United States, 33136 , 305-243-8080 ; - - 2014
Magnetic resonance spectroscopy (MRS) and diffusion tensor imaging (DTI) studies have demonstrated that measures of altered metabolism and axonal injury can be detected following traumatic brain injury. The aim of this study was to characterize and compare the distributions of altered image parameters obtained by these methods in subjects with ...
Puentes S S Department of Neurophysiology, National Institute of Neuroscience, 4-1-1 Ogawa-Higashi, Kodaira, Tokyo 187-8502, Japan. Electronic address: - - 2014
White matter (WM) impairment and motor deficit after stroke are directly related. However, WM injury mechanisms and their relation to motor disturbances are still poorly understood. In humans, the anterior choroidal artery (AChA) irrigates the internal capsule (IC), and stroke to this region can induce isolated motor impairment. The goal ...
Jiang H H Department of Stomatology, Chinese PLA General Hospital, Beijing, - - 2014
Chewing-side preference (CSP) may be associated with temporomandibular disorders. However, little information exists regarding whether CSP will lead to osseous changes of temporomandibular joint (TMJ) in asymptomatic participants. The aim of this study was to investigate the relationship between osseous morphology of TMJ in asymptomatic participants with CSP and without ...
Maksymowych Walter P WP From the Department of Medicine; Department of Radiology and Diagnostic Imaging, Spondyloarthritis Research Consortium of Canada (SPARCC) Center, University of Alberta, Edmonton, Alberta, Canada; the Department of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand; the Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, University of Copenhagen, Denmark. Supported by a research fellowship grant from the SPARCC and a grant from the Danish Council for Independent Research in the Medical Sciences to Dr. Pedersen. Dr. Maksymowych is a Medical Scientist of Alberta Innovates Health Solutions. W.P. Maksymowych, FRCP(C), Professor; S. Wichuk, BSc, Research Associate, Department of Medicine; R.G. Lambert, FRCP(C), Professor, Department of Radiology and Diagnostic Imaging, Spondyloarthritis Research Consortium of Canada Center, University of Alberta; P. Chiowchanwisawakit, MD, Department of Medicine, Siriraj Hospital, Mahidol University; S.J. Pedersen, MD, Rheumatologist, Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, University of Copenhagen. Address correspondence to Dr. W.P. Maksymowych, Professor of Medicine, University of Alberta, 562 Heritage Medical Research Building, Edmonton, Alberta T6G 2S2, Canada. E-mail: walter.maksymowych@ualberta.ca. Accepted for publication September 2, - - 2014
There is an unmet need for reliable assessment of structural progression in the sacroiliac joints (SIJ) of patients with spondyloarthritis (SpA), but radiography is unreliable and lacks responsiveness. We aimed to develop and validate a new scoring method for structural lesions based on magnetic resonance imaging (MRI), the Spondyloarthritis Research ...
Esmaeili Amin A M.Sc. in Engineering Systems, Industrial and Manufacturing Engineering Department, Wichita State University, KS, - - 2014
To aid radiologists by measuring the carbon footprint of CT scans by quantifying in-hospital and out-of-hospital energy use and to assess public health impacts. The study followed a standard life cycle assessment protocol to measure energy from a CT scan then expanding to all hospital electrical energy related to CT ...
Yildiz Murat M Department of Neurology, Kantonsspital St. Gallen, St. Gallen, Switzerland. Electronic address: - - 2014
Cognitive impairment (CI) can be demonstrated in 40-65% of multiple sclerosis (MS) patients, sometimes starting from the early stages of the disease. The objective of this study was a community-based investigation of FLAIR-hyperintense lesion volumes (LV) and their association with CI in patients with relapsing remitting (RR) MS. The neurocognitive ...
Coenen Adriaan A From the Departments of Radiology (A.C., M.M.L., A. Kurata, A.Kono, A.D., R.G.C., M.L.D., M.O., R.J.M.v.G, K.N.) and Cardiology (A.C., M.M.L., A.D., R.G.C., F.J.G., R.J.M.v.G., K.N.), Erasmus University Medical Center, 's-Gravendijkwal 230, Rotterdam 3015 CE, the - - 2014
Purpose To validate an on-site algorithm for computation of fractional flow reserve ( FFR fractional flow reserve ) from coronary computed tomographic (CT) angiography data against invasively measured FFR fractional flow reserve and to test its diagnostic performance as compared with that of coronary CT angiography. Materials and Methods The ...
Ching Christopher R K CR Department of Neurology, Neuroscience Graduate Program, UCLA School of Medicine, Los Angeles, CA, USA; Department of Neurology, Imaging Genetics Center, Institute for Neuroimaging & Informatics, University of Southern California, Los Angeles, CA, - - 2014
The Alzheimer's Disease Neuroimaging Initiative recently implemented accelerated T1-weighted structural imaging to reduce scan times. Faster scans may reduce study costs and patient attrition by accommodating people who cannot tolerate long scan sessions. However, little is known about how scan acceleration affects the power to detect longitudinal brain change. Using ...
Le Ven Florent F Département Multidisciplinaire De Cardiologie, Institut Universitaire de Cardiologie et de pneumologie de Québec, and Faculté de Médecine de l'Université Laval, Québec, Québec, - - 2014
Calcific aortic valve disease affects 10%-15% of the elderly population, causing considerable morbidity and mortality. There is no imaging technique that allows for the assessment of tissue composition of the valve in vivo. We thus investigated whether multiparametric magnetic resonance imaging (MRI) could characterize and quantify lipid, fibrous, and mineralized tissues ...
Shogilev Daniel J DJ Duke University, Division of Emergency Medicine, Duke University, Durham, North - - 2014
Acute appendicitis is the most common abdominal emergency requiring emergency surgery. However, the diagnosis is often challenging and the decision to operate, observe or further work-up a patient is often unclear. The utility of clinical scoring systems (namely the Alvarado score), laboratory markers, and the development of novel markers in ...
Ann Soe Hee SH Division of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, 290-3 Jeonha-dong, Dong-gu, Ulsan, 682-714, South - - 2014
Coronary artery calcium (CAC) measurement has been utilized as an important indicator of coronary artery disease and predictor of cardiovascular risk. The reproducibility of CAC measurements makes it clinically useful for the assessment of progression and regression of coronary atherosclerosis. This study assessed the reproducibility of the Agatston CAC score ...
Grosse Ulrich U From the *Diagnostic and Interventional Radiology, and †Section on Experimental Radiology, University Hospital Tuebingen; and ‡Department of Medical Oncology, Hematology and Rheumatology, Eberhard-Karls-University, Tübingen, - - 2014
On a 3-T magnetic resonance scanner, morphologic and perfusion changes of 9 patients with rheumatoid arthritis were evaluated after start of anti-interleukin 6 receptor antibody Tocilizumab (TCZ) treatment. Morphologic and perfusion-based magnetic resonance imaging (MRI) parameters were assessed before and 4, 12, and 24 after the start of TCZ treatment. ...
Chen Jennifer J Division of Trauma, Surgical Critical Care and Acute Care Surgery, Department of Surgery, Allegheny General Hospital, Pittsburgh, PA. Electronic address: - - 2014
Rib fractures (RIBFX) are a common injury and are associated with substantial morbidity and mortality. Using a previously published RIBFX scoring system, we sought to validate the system by applying it to a larger patient population. We hypothesized that the RIBFX scoring system reliably predicts morbidity and mortality in patients ...
Caputo Nicholas D ND From the Department of Emergency Medicine (N.D.C., C.S.), Lincoln Medical and Mental Health Center, Bronx; and Department of Emergency Medicine (G.L., K.S.), Icahn School of Medicine, Mount Sinai Hospital, New York, New - - 2014
Traumatic injury in the United States is the Number 1 cause of mortality for patients 1 year to 44 years of age. Studies suggest that early identification of major injury leads to better outcomes for patients. Imaging, such as computed tomography (CT), is routinely used to help determine the presence ...
Maqdes Ali A Hôpital Centre de Chirurgie Orthopédie et de la Main, 10 av Achille Baumann, 67400, Illkirch-Graffenstaden, France, - - 2014
The X index is a measure of the antero-inferior glenoid bone loss on unilateral 2D CT-scans in the preoperative analysis of chronic anterior shoulder instability. Recurrence rate was shown to be higher after stabilization surgery if X index is superior or equal to 0.4. The objective of this study was ...
Gent Yoony Y J YY From the Department of Rheumatology, Department of Radiology and Nuclear Medicine, Department of Clinical Epidemiology and Biostatistics, Vrije Universiteit University Medical Center; Department of Rheumatology, Jan van Breemen Research Institute/Reade, Amsterdam, the Netherlands. Y.Y.J. Gent, MD; A.E. Voskuyl, MD, PhD; C.J. van der Laken, MD, PhD, Department of Rheumatology; N. Ahmadi, MD; N. Hoetjes; C. van Kuijk, MD, PhD, Professor; O.S. Hoekstra, MD, PhD, Professor, Department of Radiology and Nuclear Medicine; M. Boers, MD, PhD, Professor, Department of Clinical Epidemiology and Biostatistics, VU University Medical Center; K. Britsemmer, MD; F. Turkstra, MD, PhD, Department of Rheumatology, Jan van Breemen Research Institute/Reade. Address correspondence to Dr. C.J. van der Laken, Department of Rheumatology, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands. E-mail: j.vanderlaken@vumc.nl. Accepted for publication July 24, - - 2014
To determine whether macrophage targeting by (R)-(11)C-PK11195 positron emission tomography (PET) can visualize subclinical joint inflammation in patients with rheumatoid arthritis (RA) without clinical arthritis during or after treatment, with flare as clinical outcome measure. (R)-(11)C-PK11195 PET and contrast-enhanced magnetic resonance imaging (MRI) of hands/wrists were performed in 29 patients ...
Runhaar J J Department of General Practice, Erasmus MC, University Medical Center, The Netherlands. Electronic address: - - 2014
Recently, the MRI Osteoarthritis Knee Score (MOAKS), a new semi-quantitative magnetic resonance imaging (MRI) scoring tool, was introduced by a panel of experienced researchers in osteoarthritis (OA). The MOAKS is primarily applicable to quantify OA status, since the interpretation of change in the MOAKS features was not described. In order ...
Wenham C Y J CY Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK; NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds, UK. Electronic address: - - 2014
Sensitive biomarkers are needed to understand synovial response to therapy in osteoarthritis (OA). Dynamic, contrast-enhanced magnetic resonance imaging (DCE MRI) provides quantitative, novel measures of synovial inflammation. This exploratory study examined DCE-assessed synovial response to intra-articular corticosteroid (IACS). People with ACR clinical criteria OA knee underwent 3 T MRI pre- and ...
Klahr Paul P Philips Healthcare, ADI Business Unit, Cleveland, Ohio - - 2014
4D-CT can be performed using two acquisition modes. One employs a cine axial scan and the other acquires the data using a very low pitch helical acquisition. This study evaluates the longitudinal resolutions of each of these methods by creating slice sensitivity profiles (SSP). An SSP phantom was scanned using ...
Fujimoto E E Department of Orthopedic Surgery, Chugoku Rousai Hospital, 1-5-1 Hirotagaya, Kure, Hiroshima 737-0193, Japan. Electronic address: - - 2014
The purpose of this study was to analyze serial changes in the magnetic resonance imaging (MRI) signals of autograft hamstrings single bundle posterior cruciate ligament (PCL) reconstruction and the effects of remnant preservation (augmentation). Twenty-two isolated PCL injuries were arthroscopically reconstructed or augmented with hamstring tendons. MRI scans were obtained ...
McMahon Paul J PJ University of Pittsburgh Medical Center, Neurosurgery, Pittsburgh, Pennsylvania, United States ; - - 2014
Glial Fibrillary Acidic Protein and its breakdown products (GFAP-BDP) are brain specific proteins released into serum as part of the pathophysiologic response following traumatic brain injury (TBI). We performed a multicenter trial to validate and characterize the use of GFAP-BDP levels in the diagnosis of intracranial injury in a broad ...
He Mu M Center for In Vivo Microscopy, Duke University Medical Center, Durham, North - - 2014
Clinical deployment of hyperpolarized (129)Xe magnetic resonance imaging requires accurate quantification and visualization of the ventilation defect percentage (VDP). Here, we improve the robustness of our previous semiautomated analysis method to reduce operator dependence, correct for B1 inhomogeneity and vascular structures, and extend the analysis to display multiple intensity clusters. ...
Porcel José M - - 2014
Background:Chest computed tomography (CT) has become an integral part of the work-up for undiagnosed pleural effusions. We aimed to develop a CT scan-based scoring system for differentiating between benign and malignant pleural effusions. Methods:A number of chest CT abnormalities were compared between 228 patients with benign and 115 with malignant ...
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