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Karaca S S Service of Cardiovascular Surgery, University Hospital Geneva, CH--1211 Geneva, Switzerland2 Service of Nuclear Medicine, University Hospital Geneva, CH--1211 Geneva, Switzerland - - - 2014
We sought to evaluate the potential role of positron emission tomography-computed tomography (PET-CT) for the detection and diagnosis of potential infections of vascular grafts using combining metabolic (i.e., radioactive fluorine-fluoro-D-deoxyglucose (18F-FDG)) PET with morphological (CT) information and investigate long-term capability. Seventeen patients with suspected vascular-graft infection underwent thoracic-abdominal-pelvic FDG PET ...
Maffione Anna Margherita AM PET Unit, Nuclear Medicine Department, S.M. della Misericordia Hospital, Viale Tre Martiri, 140, 45100, Rovigo, - - 2014
The first aim of the review (aim 1) was to obtain the diagnostic performance values of (18)F-FDG PET for the detection and staging of liver metastases in patients with colorectal cancer (CRC), the second aim (aim 2) was to compare PET and conventional imaging modalities, and the third aim (aim ...
Campbell Bruce C V BC Department of Medicine, Royal Melbourne Hospital, Melbourne, Australia; Department of Radiology, Royal Melbourne Hospital, Melbourne, - - 2014
Advanced imaging may refine patient selection for ischemic stroke treatment but delays to acquire and process the imaging have limited implementation. We examined the feasibility of imaging selection in clinical practice using fully automated software in the EXTEND trial program. CTP and perfusion-diffusion MRI data were processed using fully-automated software ...
Allibert R R Service de Neurologie, Unité Neurovasculaire, Centre Hospitalier Bretagne Atlantique, Vannes, France; Service de Neurologie, Unité Neurovasculaire, CHU de Besançon, Besançon, - - 2014
In gradient echo magnetic resonance imaging (MRI), intravascular thrombi (IT) can appear as vascular susceptibility artifacts, linked to local presence of intra-arterial deoxyhaemoglobin, and called susceptibility vessel signs (SVS). Our objectives were to evaluate the sensitivity of susceptibility-weighted sequences, such as T2* weighted angiography (SWAN) in the visualization of SVS ...
Lau Seng Fong SF Division of Diagnostic Imaging, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The - - 2014
To describe the radiographic, computed tomographic (CT), and arthroscopic findings in different age groups of Labrador Retrievers diagnosed with medial coronoid disease (MCD), and to compare the ulnar subtrochlear sclerosis (STS) observed on radiographs with the ratio between the mean attenuation of the ulnar subtrochlear bone and the mean attenuation ...
Varsou Ourania - - 2014
Although pontine strokes account for a small percentage of all ischaemic events, they can be associated with significant initial disability. These lesions may be missed on computed tomography and therefore magnetic resonance imaging is generally preferred for the assessment of brainstem strokes. The aetiopathogenesis of isolated pontine infarcts, not due ...
Rasova Kamila K aDepartment of Rehabilitation, Third Medical Faculty, Charles University in Prague bMR Unit, Department of Diagnostic and Interventional Radiology, Institute for Clinical and Experimental Medicine cDepartment of Neurology, Third Faculty of Medicine, Charles University in Prague, Prague, Czech - - 2014
There is still little scientific evidence for the efficacy of neurofacilitation approaches and their possible influence on brain plasticity and adaptability. In this study, the outcome of a new kind of neurofacilitation approach, motor programme activating therapy (MPAT), was evaluated on the basis of a set of clinical functions and ...
Lollert A A Department of Diagnostic and Interventional Radiology, Section Pediatric Radiology, Medical Center of the Johannes Gutenberg University, Langenbeckstr 1, 55131, Mainz, Germany, - - 2014
To assess whether MRI is a suitable modality for the preoperative assessment and quantification of pectus excavatum. A total of 69 patients (57 male, 12 female; median age 15 years, range 5-35 years) with pectus excavatum were evaluated preoperatively using standardized MRI sequences on 1.5- and 3-Tesla systems (T2-HASTE/inspiration and expiration, ...
Samarin Andrei A aDepartment of Nuclear Medicine, University Hospital of Zurich, Zurich bInnovation Design Center, Thalwil, - - 2014
The aim of this study was to investigate the registration accuracy of a newly developed patient shuttle system that can integrate different scanners by patient transfer without repositioning for 'hardware'-based image fusion. We aimed to assess the registration accuracy of image fusion in two different settings: a trimodality PET/CT+MR system ...
Hasan Hani Y HY Department of Surgery, Medical College of Wisconsin, - - 2014
Few long-term data describe the natural history of hepatic hemangiomas. Because these lesions are frequently imaged repetitively on studies performed for other indications, health care professionals are commonly confronted with the problem of a growing hemangioma. Because the rate and magnitude of normal growth is not well characterized, it is ...
Krishnamurthy Rajesh R From the EB Singleton Department of Pediatric Radiology, Texas Children's Hospital, Baylor College of Medicine, 6701 Fannin St, Suite 1280, Houston, TX - - 2014
Purpose To describe a dynamic magnetic resonance (MR) lymphangiography technique after intranodal injection of gadolinium-based contrast agent and to assess its feasibility for evaluation of the central conducting lymphatics ( CCL central conducting lymphatics ) in patients with pathologic disorders that involve the CCL central conducting lymphatics . Materials and ...
Matsukawa H H Department of Neurosurgery, St. Luke's International Hospital, Tokyo, - - 2014
The relationship between magnetic resonance (MR) plaque imaging and the pathology of distal embolic debris is unknown. We aimed to evaluate the relationship between the pathology of embolic debris in the embolic filter during carotid artery stenting (CAS), MR plaque imaging, and new ischemic lesions on diffusion-weighted imaging (DWI). We ...
Alons I M E IM Department of Neurology, MCH Westeinde, The Hague, The - - 2014
Patients with acute severe headache may have a secondary form of headache. Standard head computer tomography (CT) and cerebrospinal fluid (CSF) examination are often performed in the absence of neurological deficits to exclude subarachnoid hemorrhage (SAH). Increasingly, patients undergo subsequent CT angiography (CTA) to exclude cerebral venous thrombosis (CVT), dissection ...
Park Geon G Geon Park, Department of Radiology, Daejeon St. Mary's Hospital, The Catholic University of Korea, Daejeon 301-723, South - - 2014
To improve the diagnostic accuracy in patients with symptoms and signs of appendicitis, but without confirmative computed tomography (CT) findings. We retrospectively reviewed the database of 224 patients who had been operated on for the suspicion of appendicitis, but whose CT findings were negative or equivocal for appendicitis. The patient ...
Bouvier Julien J Inserm, U836, Grenoble, France; Université Grenoble Alpes, Grenoble Institute of Neurosciences, Grenoble, France; Philips France (Healthcare Activity), Suresnes, - - 2014
Multiparametric quantitative blood oxygenation level dependent (mqBOLD) magnetic resonance Imaging (MRI) approach allows mapping tissular oxygen saturation (StO2 ) and cerebral metabolic rate of oxygen (CMRO2 ). To identify hemodynamic alteration related to severe intracranial arterial stenosis (SIAS), functional MRI of cerebrovascular reserve (CVR BOLD fMRI) to hypercapnia has been ...
Reinhold Maximilian M Department of Trauma, Orthopaedic, and Hand Surgery, Klinikum Suedstadt Rostock, Suedring 81, 18059, Rostock, Germany, - - 2014
Lumbar nerve root entrapment syndromes cause radicular signs and symptoms in the affected leg. The applicability of diffusion-weighted imaging (DWI) for the assessment of lower lumbar nerves (L4-S1) has been demonstrated. The purpose of this pilot study was to establish DWI reference data for the all lumbosacral nerve roots (L1-S1) ...
Masuda Y Y From the Departments of Neurosurgery (Y.M., T.Y., H.A., E.I., M.M., A.M.) and Radiology (M.S., T.M.), Faculty of Medicine, University of Tsukuba, Tsukuba, - - 2014
High-resolution 3D MR cisternography techniques such as 3D T2WI-driven equilibrium radiofrequency reset pulse (DRIVE) are used preoperatively to assess neurovascular anatomy in patients with neurovascular compression syndrome, but contrast between vessels and cranial nerves at the point of neurovascular contact is limited. The postprocessing technique subtraction of 3D T2WI-driven equilibrium ...
Ciura Viesha A VA From the Division of Neuroradiology, Department of Radiology (V.A.C., R.P., C.J.O., S.R.P., R.G.G., J.M.R.), Center for Human Genetic Research (H.B.B., J.R.), Division of Neurocritical Care and Emergency Neurology, Department of Neurology (H.B.B., J.R., J.N.G.), Department of Neurology, Hemorrhagic Stroke Research Group (H.B.B., J.R., J.N.G., S.M.G.), Department of Neurology, J. Philip Kistler Stroke Research Center (H.B.B., J.R., J.N.G.), and Department of Emergency Medicine (J.N.G.), Massachusetts General Hospital, Harvard Medical School, Boston; and Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands - - 2014
The computed tomography angiography (CTA) spot sign is a validated biomarker for poor outcome and hematoma expansion in intracerebral hemorrhage. The spot sign has proven to be a dynamic entity, with multimodal imaging proving to be of additional value. We investigated whether the addition of a 90-second delayed CTA acquisition ...
Iorio Matthew L ML Division of Plastic and Reconstructive Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Orthopaedics & Sports Medicine, University of Washington Medical Center, Seattle, - - 2014
Injury to the extensor carpi ulnaris (ECU) fascial supports on the distal ulna can result in ulnar-sided wrist pain, particularly when the tendon subluxates medially out of the fibroosseous groove with forearm rotation. To better understand the potential risk factors for injury and the indications for modifying the ECU groove, ...
Lee Chan Hee CH Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA; Division of Rheumatology, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang-si, South - - 2014
In rheumatoid arthritis (RA) hands, we applied high-resolution peripheral quantitative computed tomography (HR-pQCT) and 3 Tesla (3 T) magnetic resonance imaging (MRI), which are new methods for erosion detection and bone marrow edema (BME) quantification. We compared the erosion measurements between these techniques with conventional radiographs (CR) in order to examine their ...
Wang Hui H From the *Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China; and †Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University, Perth, Western Australia, - - 2014
The aim of this study was to evaluate the feasibility of low-concentration iso-osmolar Iodixanol 270 compared with Iohexol 350 in patients with coronary artery bypass grafts (CABGs) undergoing coronary computed tomographic angiography (CCTA). A total of 80 consecutive patients undergoing CABG follow-up with the use of CCTA were prospectively enrolled, ...
Carnevale Tony J TJ Kaiser Permanente Northwest Sunnyside Medical Center, Portland, - - 2014
Increasing computed tomography (CT) and magnetic resonance imaging (MRI) use in the emergency department (ED) over the last decade is well documented. Our aim was to assess the impact of an electronic decision support and risk education system (DS-RES) on CT/MRI use. We conducted an age-, sex-, and risk-adjusted analysis ...
Klammer Georg G Balgrist Hospital, University of Zurich, Zurich, - - 2014
We hypothesized that patients undergoing nonoperative treatment for asymptomatic or minimally symptomatic osteochondral lesions of the talus (OLTs) would not deteriorate clinically or radiologically over time. Forty-eight patients (mean age = 48 years; range, 13-78 years) with an OLT confirmed by magnetic resonance imaging (MRI) who had not undergone ankle ...
Raad Roy A RA From the *Division of Nuclear Medicine, Department of Radiology, and †Division of Oncology, Department of Medicine, New York University, New York, - - 2014
A 78-year-old man with metastatic malignant melanoma underwent a restaging F-FDG PET/CT after initiation of ipilimumab therapy, a Food and Drug Administration-approved human monoclonal antibody targeting CTLA-4. PET/CT demonstrated intense FDG uptake fusing to poorly circumscribed hypodensities throughout the liver. Patient was experiencing high-grade fever, chills, and generalized fatigue at ...
Shen Chen-Tian CT From the Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of - - 2014
This study aimed to evaluate the diagnostic accuracy of F-fluoride PET or PET/CT compared with Tc-MDP bone scintigraphy and F-FDG PET/CT in the detection of bone metastases. An electronic search was conducted using PubMed/MEDLINE and EMBASE. The methodological quality of the included studies was assessed with Quality Assessment of Diagnostic ...
Campion Eric M EM University of California, San Francisco and San Francisco General Hospital, San Francisco, California, - - 2014
To provide an update on the recent developments and controversies in the assessment of the traumatically injured patient. Recent literature suggests that: whole-body computed tomography (CT) is an effective strategy in more severely injured blunt trauma patients; 64-slice CT scanning now provides an effective noninvasive screening method for blunt cerebrovascular ...
Choi Jin Woo JW Department of Radiology, Seoul National University Hospital, # 101 Daehak-ro, Jongno-gu, Seoul, 110-744, - - 2014
To evaluate the prognostic value of CT venography for catheter-directed thrombolysis (CDT) in iliac vein compression syndrome (IVCS) patients with deep venous thrombosis (DVT). The institutional review board approved this retrospective study and waived informed consent. Among the 201 consecutive patients treated in our interventional suite for DVT from January ...
Takahashi Naoto N Department of Orthopaedic Surgery, Southern Tohoku General - - 2014
A 22-year-old woman presented with complaints of severe pain in a wide region of the thoracolumbar spine. She developed severe pain in the thoracolumbar spine region 2 months after her first delivery and was referred 1 month later. A lateral thoracic X-ray showed depressed degenerative vertebrae (T7, T9). One month ...
Petchprapa Catherine N CN Department of Radiology, NYU Langone Medical Center-Hospital for Joint Diseases, 301 East 17th Street, New York, NY, 10003, USA, - - 2014
Assess the diagnostic accuracy of 3-T indirect magnetic resonance arthrography (iMRA) for hip cartilage and labral pathology detection using arthroscopy as the reference standard and compare it to the published performance of direct magnetic resonance arthrography (dMRA). Between 2009 and 2011, 290 patients suspected of having femoroacetabular impingement underwent iMRA. ...
Partelli Stefano S Pancreatic Surgery Unit, Università Politecnica delle Marche, Ancona, - - 2014
Purpose: To evaluate the effect of combined (68)Ga and (18)F-FDG PET/CT on treatment management for patients with pancreatic NET (PNET). Methods: Between January 2012 and April 2014, 49 consecutive patients with cytological and/or histological proven diagnosis of PNET underwent combined (68)Ga and (18)FDG PET/CT on the same day. Results: There ...
Anbar Ashraf A Department of Orthopedic Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt, - - 2014
To assess the sensitivity, specificity and accuracy of MR arthrography, as opposed to shoulder arthroscopy, in diagnosing individual rotator interval (RI) structures lesions at different levels of severity. Seventy-five patients were enrolled in a prospective study. All the patients were diagnosed with full-thickness rotator cuff tendon tears on unenhanced MRI ...
Kono Yu Y Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan. Electronic address: - - 2014
The usefulness of conventional magnetic resonance imaging (C-MRI) for diagnosing amyotrophic lateral sclerosis (ALS) remains controversial. The aim of this study was to investigate the utility of C-MRI in identifying ALS, specifically the association between corticospinal tract (CST) hyperintensity on C-MRI and clinical characteristics in patients with ALS. Between June ...
Muppa Radhika R Professor and Head, Department of Pedodontics, Panineeya Mahavidyalaya Institute of Dental Sciences and Research Centre, Hyderabad, Telangana, - - 2014
Endodontic therapy is successful only when thorough knowledge of root canal morphology is understood. Dens invaginatus is malformation of teeth resulting from invagination of tooth before biological mineralization occurs. It is clinically significant with an early pulpal involvement and chronic periapical lesion, which are often associated with this anomaly. The ...
Weis Joshua J JJ Division of General Surgery and Trauma, Department of Surgery, University of Pittsburgh, Pittsburgh, - - 2014
Many institutions now use empiric full-body computed tomography (CT) as a standard step in the initial workup of stable trauma patients. Recent data suggest that these scans may reveal unexpected injuries and improve survival in patients with polytrauma. However, patients who are unstable on presentation are often taken to the ...
Taylor Amber A From the Santa Barbara Cottage Hospital (A.T., J.G., S.Y.), Santa Barbara; Department of Surgery (K.W.), Ventura County Health System, Ventura, California; and San Antonio Colon and Rectal Clinic (S.I.), San Antonio, - - 2014
The diagnosis of osteoporosis is important in the care of elderly patients at risk of trauma. While pelvis computed tomography (CT) is accurate in the measurement of bone mineral density, axial skull CT has not previously been evaluated for this purpose. This study investigated whether data from axial skull CT ...
Vanguri Poornima P From the Virginia Commonwealth University (P.V., A.J.Y., J.K., J.H, L.G.W., T.M.D.) Richmond, Virginia; and AB Chandler Medical Center (W.F.W.), Lexington, - - 2014
Computed tomography (CT) scan is the criterion standard to rule out cervical spine (c-spine) injury after blunt trauma. Many algorithms still include other tools to exclude ligamentous injuries that often lead to unnecessary prolonged collar use. The purpose of this study was to determine the accuracy of CT to rule ...
Felder Seth I SI Department of Surgery,Cedars-Sinai Medical Center, Los Angeles, California, - - 2014
A Total abdominal colectomy (TAC) is recommended for fulminant Clostridium difficile colitis (FCDC) because intraoperative assessment of diseased segments is inaccurate. To determine whether computerized tomography (CT) provides an accurate assessment of disease, we examined the concordance between CT and histopathologic colitis distribution in patients undergoing TAC for FCDC. The ...
Nicholson Kristina K LAC+USC Medical Center, Division of Trauma Surgery and Surgical Critical Care, University of Southern California, Los Angeles, California, - - 2014
In the era of nonoperative management of abdominal stab wounds, the optimal management of patients with evisceration remains unclear. Furthermore, the role of imaging in guiding management of these patients has not been defined. Patients admitted to a Level I trauma center (2005 to 2012) with evisceration after an abdominal ...
Bivard Andrew A Department of Neurology, John Hunter Hospital, Hunter Medical Research Institute, University of Newcastle, Callaghan, NSW, - - 2014
The aim of acute stroke treatment is to reperfuse the penumbra. However, not all posttreatment reperfusion is associated with a good outcome. Recent arterial spin labeling (ASL) studies suggest that patients with hyperperfusion after treatment have a better clinical recovery. This study aimed to determine whether there was a distinctive ...
Sritanyaratana N N Department of Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792-3252, USA. Electronic address: - - 2014
To compare quantitative magnetization transfer (qMT) parameters of patellar cartilage measured using cross-relaxation imaging (CRI) in asymptomatic volunteers and patients with osteoarthritis. The study was performed with Institutional Review Board approval and with all subjects signing informed consent. CRI of the knee joint was performed at 3.0T on 20 asymptomatic ...
Hada S S Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan. Electronic address: - - 2014
The aim of the present study was to examine whether the degenerative and morphological changes of articular cartilage in early stage knee osteoarthritis (OA) occurred equally for both femoral- and tibial- or patellar- articular cartilage using magnetic resonance imaging (MRI)-based analyses. This cross-sectional study was approved by the ethics committee ...
Benkiran Meriem M aNuclear Medicine Department, Lapeyronie University Hospital, Montpellier Cedex 5 bNuclear Medicine Department, Caremeau University Hospital, Nîmes, - - 2014
The purpose of this study was to compare computed tomography (CT)-based attenuation correction (AC) using a hybrid single photon emission computed tomography (SPECT)-CT system and quantitative analysis of wall thickening using gated SPECT with regard to the diagnostic accuracy of myocardial perfusion imaging. We prospectively included 70 patients with low ...
Choi Grace G GG aTemple University School of Medicine bCardiovascular Division cDepartment of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA dDepartment of Nuclear Medicine, Kocaeli University School of Medicine, Kocaeli, - - 2014
The aim of this study was to evaluate fluorine-18 fluorodeoxyglucose (F-FDG) uptake in the right ventricle (RV) of patients with chronic obstructive pulmonary disease (COPD) and to characterize the variability of F-FDG uptake in the RV at different time points following radiotracer administration using PET/computerized tomography (CT). Impaired RV systolic ...
Yunusa Garba H GH Department of Radiology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, - - 2014
Stroke is a common cause of morbidity and mortality worldwide. Therapeutic decision regarding its management requires prompt and accurate diagnosis as well as exclusion of other conditions mimicking this condition. Computerized tomography (CT) scan has been found to be the gold standard in distinguishing primary intracerebral hemorrhage (ICH) from cerebral ...
Crabol Yoann Y Centre d'Infectiologie Necker Pasteur, Université Paris Descartes, Sorbonne Paris Cité, Institut Imagine, Hôpital Universitaire Necker-Enfants malades, APHP, Paris, - - 2014
Optimal management of eumycetoma, a severely debilitating chronic progressive fungal infection of skin, disseminating to bone and viscera, remains challenging. Especially, optimal antifungal treatment and duration are ill defined. We conducted a monocentric retrospective study of 11 imported cases of eumycetoma treated by voriconazole or posaconazole for at least 6 ...
Rivkin Mark A MA Department of Neurosurgery, Cooper University Hospital, Camden, New Jersey, - - 2014
Multilevel posterior cervical instrumented fusions are becoming more prevalent in current practice. Biomechanical characteristics of the cervicothoracic junction may necessitate extending the construct to upper thoracic segments. However, fixation in upper thoracic spine can be technically demanding owing to transitional anatomy while suboptimal placement facilitates vascular and neurologic complications. Thoracic ...
Hwan Kim Yong Y The Department of Emergency Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South - - 2014
Few parameters are available to predict neurologic outcome of post-cardiac arrest patients in the early stage of treatment. Optic nerve sheath diameter (ONSD) has been used to indirectly assess intracranial pressure. This study evaluated whether ONSD, an additional parameter in initial brain computed tomography (CT) scans, can be an early ...
Kim Eun-Joo EJ Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Medical Research Institute, Busan, - - 2014
Patients who develop horizontal and vertical saccadic palsy after cardiac surgery have rarely been described. Although most such patients exhibit distinct neurological deficits, their brain MRI findings are almost normal. In addition, functional neuroimaging of such patients has never been reported. A 43-year-old woman with dysarthria, dysphagia, and horizontal and ...
Robinson Elizabeth E Institute of Musculoskeletal Science, UCL, - - 2014
Background and purpose - Metal artifact reduction sequence (MARS) MRI is widely advocated for surveillance of metal-on-metal hip arthroplasties (MOM-HAs). However, its use is limited by susceptibility artifact at the prosthesis-bone interface, local availability, patient compliance, and cost (Hayter et al. 2011a). We wanted to determine whether CT is a ...
Hou Xin-Yi XY Department of Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, - - 2014
Objective To explore the perihematomal perfusion typing and spot sign on computed tomography angiography (CTA) source images in order to assist in individualizing therapeutic decisions for patients with intracerebral hemorrhage by possibly forecasting perihematomal ischemia and hematoma enlargement. Methods We examined 58 patients with spontaneous intracerebral hemorrhage by computed tomography ...
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