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Ahn Sung Jun SJ Department of Radiology, Yonsei University College of Medicine, Seoul, - - 2014
Single dose gadolinium (Gd) enhanced fluid-attenuated inversion recovery (FLAIR) is helpful for visualizing superficial parenchymal metastases. However, the usefulness of FLAIR with a higher dose of Gd is uncertain. The aim of our study was two-folds: first, to prove that the signal to noise ratio (SNR) of small brain metastases ...
Wu Chengyuan - - 2014
Stereotactic laser ablation (SLA) is a promising minimally invasive alternative for treating mesial temporal lobe epilepsy (MTLE). While our experience to date has suggested that seizure outcome may not be directly associated with total ablation volume, the specifics of the relevant variables remain unclear. While post-ablation imaging demonstrates laser location, ...
Mayer Caroline C 1 Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim - Heidelberg University, Theodor-Kutzer-Ufer 1-3, D-68167 Mannheim, - - 2014
OBJECTIVE. The purpose of this study was to evaluate the simultaneous use of automatic tube current modulation (ATCM) and automatic tube voltage selection (ATVS) for abdominal and chest CT examinations regarding radiation dose reduction and image quality. MATERIALS AND METHODS. We enrolled 617 patients who all underwent contrast-enhanced chest or ...
Barsa Pavel P Department of Neurosurgery, Regional Hospital of Liberec, Husova str. 10, 460 63, Liberec, Czech Republic, - - 2014
Navigation based on an intraoperative CT scan is not a new approach to spinal instrumentation. Innovative intraoperative imaging technology, however, opens new horizons to more precise image acquisition as well as to further workflow. Planning of screw entry-points and trajectories in this study had been based on intraoperative imaging obtained ...
Kranz P G PG From the Departments of Radiology (P.G.K., J.D.W., J.K.H.), Radiation Oncology (J.K.H.), and Biostatistics and Bioinformatics (A.S.K.), Duke University Medical Center, Durham, North Carolina. - - 2014
The CT table strap may impair shoulder lowering during cervical spine CT. The purpose of this investigation was to evaluate the effect of the CT table strap on radiation exposure and image quality during CT of the cervical spine. Patients undergoing cervical spine CT were prospectively randomized to having the ...
Makino Yuki Y Department of Gastroenterology, Ikeda Municipal Hospital, 3-1-18, Johnan, Ikeda, Osaka, 563-8510, - - 2014
To assess the feasibility of fusion of pre- and post-ablation gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (Gd-EOB-DTPA-MRI) to evaluate the effects of radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC), compared with similarly fused CT images PATIENTS AND METHODS: This retrospective study included 67 patients with 92 HCCs treated ...
Prichep Leslie S LS NYU School of Medicine, Psychiatry/ Brain Research Laboratories , 462 First Ave , OBV Room 885 , NY, New York, United States , 10016 , 212 263 6288 , 212 263 6457 ; - - 2014
Abstract Rapid identification of traumatic intracranial hematomas following closed head injury represents a significant health care need due to the potentially life-threatening risk they present This study demonstrates the clinical utility of an index of brain electrical activity used to identify intracranial hematomas in traumatic brain injury (TBI) presenting to ...
Schweda M C MC Department of Companion Animals and Horses, Small Animal Clinic, Small Animal Surgery, University of Veterinary Medicine Vienna, Veterinaerplatz 1, Vienna 1210, - - 2014
Sixty-six guinea pigs with dental disease were presented to the University of Veterinary Medicine, Vienna, Austria, from 2006 to 2010. Almost all patients had a history of eating difficulties (95 per cent) and underwent clinical and oral examination as well as CT of the head. Findings on extra- and intraoral ...
Cerrato Rebecca Amy RA The Institute for Foot and Ankle Reconstruction, Baltimore, MD, USA - - 2014
Although plain radiographs have been historically used to evaluate the status of arthrodesis in the foot and ankle, computed tomography (CT) has gained popularity for evaluation of fusion status. The degree of fusion identified on CT scan has been correlated with functional outcome, with an arthrodesis area of 25-50% necessary ...
Kordolaimi Sofia D SD From the 2nd Department of Radiology, Medical School, University of Athens, Athens, - - 2014
The technological advances in computed tomography (CT) scanners and their continuously increased use have raised concern about the patient-induced risks from the CT procedures. In the present review, all available dose metrics used in CT dosimetry are described, evaluated, and compared. The various models and methodologies currently existing for the ...
Orczyk Clément C Division of Urologic Oncology, Department of Urology, New York University Langone Medical Center, New York, NY, USA; Department of Urology, Côte de Nacre University Hospital, Caen, France; CNRS, UMR 6301 ISTCT, CERVOxy. GIP CYCERON, F-14074 Caen, France; CEA, DSV/I2BM, UMR 6301 ISTCT, F-14074 Caen, France; UNICAEN, UMR 6301 ISTCT, F-14074 Caen, France; Normandie Univ, France. Electronic address: - - 2014
To compare the size and shape of the prostate between in-vivo and fresh ex-vivo magnetic resonance imaging (MRI), in order to quantify alterations in the prostate resulting from surgical resection. Ten patients who had undergone 3 T prostate MRI using a phased-array coil and who were scheduled for prostatectomy were included ...
Buttigieg Erica Lauren EL Medical Imaging Department, Mater Dei Hospital, Msida, MSD, 2090, Malta, - - 2014
To evaluate the diagnostic efficacy of different oral contrast media (OCM) for abdominopelvic CT examinations performed for follow-up general oncological indications. The objectives were to establish anatomical image quality criteria for abdominopelvic CT; use these criteria to evaluate and compare image quality using positive OCM, neutral OCM and no OCM; ...
Caruso Antonino A *Department of Surgical, Oncological and Gastroenterological Sciences, University of Padova, Padova, Italy; †Oncological Surgery Unit, Veneto Institute of Oncology (IOV-IRCCS), Padova, Italy; ‡Radiology I, Azienda Ospedaliera di Padova, Padova, Italy; and §Division of General Surgery, Azienda Ospedaliera di Padova, Padova, - - 2014
Endoscopy and imaging objectively assess Crohn's disease (CD) activity. Magnetic resonance enterography (MRE) uses no ionizing radiation, carries no significant morbidity, and is highly sensitive in revealing soft tissues inflammation. Diffusion-weighted imaging can distinguish intestinal inflammation from a lower diffusion of water molecules giving rise to a reduced apparent diffusion ...
Sandell Tiril T Department of Neurosurgery, Oslo University Hospital Rikshospitalet, Pb 4950, Nydalen, N-0424, Oslo, Norway, - - 2014
Microvascular decompression (MVD) is a documented effective treatment of trigeminal neuralgia (TN). Lately, reports on endoscopy-assisted microvascular decompression (eaMVD) with better outcome and less risk have emerged. This study was undertaken to verify under which circumstances the endoscope proved essential in identifying the neurovascular conflict (NVC) during eaMVD for TN, ...
Scardapane Arnaldo A Interdisciplinary Department of Medicine, University Hospital "Policlinico" of Bari, Piazza Giulio Cesare, 11, 70124, Bari, Italy, - - 2014
To compare the capabilities of standard pelvic MRI with low-resolution pelvic MRI using fast breath-hold sequences to evaluate deep infiltrating endometriosis (DIE). Sixty-eight consecutive women with suspected DIE were studied with pelvic MRI. A double-acquisition protocol was carried out in each case. High-resolution (HR)-MRI consisted of axial, sagittal, and coronal ...
Virhammar J J From the Departments of Neuroscience and Neurology (J.V., K.L.), Neuroscience and Neurosurgery (K.G.C.), and Radiology (E.-M.L.), Uppsala University, Uppsala, Sweden; and Department of Pharmacology and Clinical Neuroscience (K.L.), Östersund, Umeå University, Umeå, Sweden. - - 2014
MR imaging is used in the diagnostic evaluation of patients with idiopathic normal pressure hydrocephalus. The aim of this study was to describe the prevalence of several imaging features and their prognostic use in the selection of shunt candidates with idiopathic normal pressure hydrocephalus. Preoperative MR imaging scans of the ...
Flach Géke B GB Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, PO Box 7057, 1007 MB, Amsterdam, The Netherlands, - - 2014
Lymphoscintigraphic imaging and adequate interpretation of the lymphatic drainage pattern is an essential step in the sentinel lymph node biopsy (SLNB) procedure. In oral cancer, identification of the sentinel lymph node (SLN) can be challenging. In this study, interobserver variability in defining SLNs on lymphoscintigrams was evaluated in patients with ...
Bae Sohi S Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University College of Medicine, 50-1, Yonsei-ro, Seodaemun-gu, 120-752, Seoul, South - - 2014
Since children are more radio-sensitive than adults, there is a need to minimize radiation exposure during CT exams. To evaluate the effects of adaptive statistical iterative reconstruction (ASIR) on radiation dose reduction, image quality and diagnostic accuracy in pediatric abdominal CT. We retrospectively reviewed the abdominal CT examinations of 41 ...
Fortunati Valerio V Biomedical Imaging Group Rotterdam, Department of Medical Informatics and Radiology, Erasmus MC University Medical Center, Rotterdam, The Netherlands. Electronic address: - - 2014
To investigate the feasibility of using deformable registration in clinical practice to fuse MR and CT images of the head and neck for treatment planning. A state-of-the-art deformable registration algorithm was optimized, evaluated, and compared with rigid registration. The evaluation was based on manually annotated anatomic landmarks and regions of ...
Signoretti Marianna M From the *Digestive and Liver Disease Unit, and †Radiology Unit, University "Sapienza," Sant'Andrea Hospital, Rome, - - 2014
Transabdominal ultrasonography (US) usually reveals diagnosis of biliary acute pancreatitis (AP). Guidelines suggest repeating US in AP patients without cause at first examination. This approach has been poorly investigated, as well as the accuracy of repeated US as compared with that of magnetic resonance cholangiopancreatography. This study aims at evaluating ...
Galli Melissa M MM Foot and Ankle Department, Coordinated Health, Bethlehem, Pennsylvania (MMG, GMW, ES, SAB)Clinical Education and Research Department, Coordinated Health, Bethlehem, Pennsylvania (NMP)Imaging Department, Coordinated Health, Allentown, Pennsylvania (EMM, - - 2014
The hindfoot and ankle are dynamic structures to which the interplay of tendinous pathologies is scarcely understood. Five hundred consecutive ankle magnetic resonance imaging examinations, obtained between December 27, 2011 and April 9, 2013, were reviewed. Patients without a history of hindfoot or ankle trauma or lateral ankle pain were ...
Sumiyoshi Tatsuaki T From the Departments of Gastroenterological Surgery (T.S., Y.S., T.O., A.K., T.T., T.N.), Radiology (Y.N., Y.H., Y.M.), and Gastroenterology (U.K.), Kochi Health Sciences Center, 2125 Ike, Kochi 781-8555, - - 2014
Purpose To determine the functional discrepancy between the two liver lobes using technetium 99m ((99m)Tc) diethylenetriamine-pentaacetic acid-galactosyl human serum albumin (GSA) single photon emission computed tomography (SPECT)/computed tomography (CT) fusion imaging following preoperative biliary drainage and portal vein embolization (PVE) in patients with jaundice who have bile duct cancer (BDC). ...
Sander Christin Y CY Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA; Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, - - 2014
Simultaneous acquisition of MR and positron emission tomography (PET) images requires the placement of the MR detection coil inside the PET detector ring where it absorbs and scatters photons. This constraint is the principal barrier to achieving optimum sensitivity on each modality. Here, we present a 31-channel PET-compatible brain array ...
Zheng JiSi J Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, and Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, - - 2014
We have modified a canine model for raising the floor of the maxillary sinus by selecting a new surgical approach, and have evaluated the model with computed tomographic (CT) scans and endoscopy. Preoperative CT scans were taken of two beagle cadavers and four healthy, live beagles. The CT data were ...
Jiang Lei L From the Departments of *Nuclear Medicine and †General Surgery, Zhongshan Hospital, Fudan University, Shanghai, - - 2014
A 17-year-old girl with abdominal pain for 3 months underwent F-FDG PET to evaluate possible malignancy due to unexplained ascites detected by ultrasound. The images demonstrated multiple foci of abnormally increased F-FDG activity in the lymphadenopathy from the neck to the abdomen and in the thickened intestinal wall. In addition, ...
Shin Kang-Jae KJ Department of Anatomy, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of - - 2014
The aims of this study were to determine the various dimensions of the normal facial canal and to identify the spatial relationships between the facial canal and its adjacent structures using microcomputed tomography (micro-CT) imaging and three-dimensional (3D) reconstruction. The petrous parts of 54 temporal bones were scanned using micro-CT ...
Balagurunathan Yoganand Y Department of Cancer Imaging and Metabolism, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, - - 2014
Quantitative size, shape, and texture features derived from computed tomographic (CT) images may be useful as predictive, prognostic, or response biomarkers in non-small cell lung cancer (NSCLC). However, to be useful, such features must be reproducible, non-redundant, and have a large dynamic range. We developed a set of quantitative three-dimensional ...
Sheridan Kent K Department of Orthopaedic Surgery, Davis Medical Center, University of California, 4860 Y Street, Suite 3800, Sacramento, CA, 95817, USA, - - 2014
The purpose of this study was to evaluate the accuracy of magnetic resonance imaging (MRI) and magnetic resonance arthrography (MRA) in diagnosing superior labral anterior-posterior (SLAP) lesions. We hypothesized that the accuracy of MRI and MRA was lower than previously reported. Between 2006 and 2008, 444 patients who had both ...
Kola Mehmet M Department of Ophthalmology, Faculty of Medicine, Karadeniz Technical University , Trabzon , Turkey - - 2014
Abstract Purpose: To investigate posterior segment (PS) findings in the eye in patients with ankylosing spondylitis (AS). Methods: Eighty-four patients with AS and 63 healthy controls were enrolled. PS evaluations were performed using optical coherence tomography (OCT). Foveal thickness, peripapillary retinal nerve fiber layer thickness, macular volume, ganglion cell complex, ...
MacKay James W JW Department of Radiology, Norfolk & Norwich University Hospital, Norwich, UK, - - 2014
To determine whether differences in subchondral sclerosis at the tibial plateau could be detected with magnetic resonance (MR) imaging in two different age groups. This was a retrospective hypothesis-testing study. Thirty-two knees in group A (25-30 year olds) and 32 knees in group B (45-50 years old) were included. Participants had no ...
Franke Philipp P Institut für Diagnostische Radiologie, Gartenstr. 28, 79098 Freiburg, Germany. Electronic address: - - 2014
The aim of this study was to evaluate the diagnostic value of a 32-channel head coil for the characterization of mural inflammation patterns in the superficial cranial arteries in patients with giant cell arteritis (GCA) compared to a standard 12-channel coil at 3T MRI. 55 patients with suspected GCA underwent ...
Shin Sooyoung S 1 Department of Radiology, Seoul National University Hospital, 28 Yeongon-dong, Jongno-gu, Seoul 110-744, - - 2014
OBJECTIVE. The purpose of this study was to prospectively evaluate the diagnostic impact of prototypic software that allows registration of CT images before and after radiofrequency ablation (RFA) for safety margin assessment, as well as to determine the therapeutic impact of this software on local tumor progression in comparison with ...
Rodacki Karina K 1 Department of Radiology, University of North Carolina at Chapel Hill, CB# 7510, 101 Manning Dr, Chapel Hill, NC - - 2014
OBJECTIVE. The purpose of this study was to retrospectively evaluate early dynamic serial gadolinium-enhanced and chemical-shift imaging (CSI) MRI to distinguish benign from malignant adrenal tumors. MATERIALS AND METHODS. Between July 2007 and December 2011, 205 patients with 239 adrenal lesions (177 adenomas, 54 metastases, 5 pheochromocytomas, and 3 adrenal ...
Kaasalainen Touko T 1 HUS Medical Imaging Center, Helsinki University Central Hospital, Haartmaninkatu 4, 00290 Helsinki, - - 2014
OBJECTIVE. The objective of our study was to evaluate the effect of vertical centering on dose and image noise in chest MDCT of different-sized patients using anthropomorphic phantoms and retrospectively studying examinations of clinical patients. MATERIALS AND METHODS. Three different anthropomorphic phantoms were scanned using different vertical centering (offset ± ...
Seong Nak Jong NJ 1 Department of Radiology, Seoul National University Bundang Hospital, 82 Gumi-ro, 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, - - 2014
OBJECTIVE. The purpose of this study was to simulate a mobile consultation in patients with inconclusive diagnosis of appendicitis made by on-call radiologists, as well as to measure the diagnostic confidence and performance of the mobile consultation. MATERIALS AND METHODS. Two off-site abdominal radiologists interpreted the CT images from 68 ...
Ingrao Joelle C JC Department of Pathobiology (Ingrao, Vince, Smith), Ontario Veterinary College Health Sciences Centre (Eshar, Lee-Chow, Nykamp), Department of Clinical Studies (Nykamp), Animal Health Laboratory (DeLay), Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G - - 2014
A 6-year-old, castrated male domestic ferret (Mustela putorius furo) was euthanized following progressive hind limb paresis and atonia of the bladder of 1-year duration. Neurological evaluation localized the lesion to the thoracolumbar spinal region, and magnetic resonance imaging showed a focal intramedullary spinal cord lesion. Histopathology revealed an extensive, unencapsulated, ...
Tazawa Toshiharu T Department of Anesthesiology and Critical Care Medicine, Yokohama City University Graduate School of Medicine, Yokohama, - - 2014
Ventral disc protrusions have been neglected because they are asymptomatic. Lumbar sympathetic nerve block (LSNB) is one of the clinical choices for refractory low back pain treatment. Leakage of the contrast medium may occur and lead to complications, especially when using a neurolytic agent. In this study, we retrospectively reviewed ...
Paulus Daniel H DH Institute of Medical Physics, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91052, - - 2014
Multimodality imaging has become an important adjunct of state-of-the-art radiation therapy (RT) treatment planning. Recently, simultaneous PET/MR hybrid imaging has become clinically available and may also contribute to target volume delineation and biological individualization in RT planning. For integration of PET/MR hybrid imaging into RT treatment planning, compatible dedicated RT ...
Huang Qiang Q Department of Interventional Radiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, - - 2014
The aim of this study was to evaluate the validity of gadolinium-enhanced magnetic resonance imaging (MRI) in diagnosing cesarean scar pregnancy (CSP) and to compare this with ultrasound results. Forty-two consecutive patients underwent both gadolinium-enhanced MRI and ultrasound to evaluate CSP before treatment from May 2010 to September 2013. The ...
Surov Alexey A Department of Radiology, Martin-Luther-University of Halle-Wittenberg, Halle (Saale), Germany, - - 2014
In multiple myeloma, secondary infiltration of adjacent muscles from bone lesions is common. However, plasmacytoma directly arising within the skeletal musculature is rare. Imaging findings of this rare entity have been described only sporadically. The purpose of this study was to identify the clinical signs and radiological features of intramuscular ...
Thibault Robert T RT McGill University, 3775 University, Montreal, QC, H3A 2B4, - - 2014
Neuroimaging is ubiquitous; however, neuroimagers seldom investigate the putative impact of posture on brain activity. Whereas participants in most psychological experiments sit upright, many prominent neuroimaging techniques (e.g., functional magnetic resonance imaging (fMRI)) require participants to lie supine. Such postural discrepancies may hold important implications for brain function in general ...
Utomi V S VS Liverpool John Moores University, Research Institute for Sport and Exercise Science, Liverpool, United - - 2014
The current study evaluated; A) global left ventricular (LV) adaption to endurance vs. resistance training in highly trained male athletes; B) the additional insight into the athlete's heart phenotype provided by modern imaging technologies, and C) the impact of scaling for body size on LV structural data. A prospective cross-sectional ...
Vanhoutte L L Institute of Experimental and Clinical Research (IREC), Pole of Pharmacology (FATH), Brussels, - - 2014
In cardiovascular imaging, variations within and between observers, and between different acquisitions remain an important issue when interpreting in vivo data. Though there has recently been an increasing interest in ultra-high field MRI to characterize rodent models of cardiovascular diseases, reports concerning its reproducibility are scarce. The purpose of our ...
Djamanakova Aigerim A Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, - - 2014
Voxel-based analysis is widely used for quantitative analysis of brain MRI. While this type of analysis provides the highest granularity level of spatial information (i.e., each voxel), the sheer number of voxels and noisy information from each voxel often lead to low sensitivity for detection of abnormalities. To ameliorate this ...
Schmaranzer Florian F Section for Rheuma- and Sports Imaging, Department of Radiology, Medical University Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria. Electronic address: - - 2014
To evaluate the feasibility of a modified approach for direct magnetic resonance (MR) arthrography of the hip under leg traction in achieving a sufficient femoroacetabular interface and improving the visualization of the ligamentum teres. Forty-six MR arthrograms of 44 patients who underwent MR arthrography with and without leg traction were ...
Claassen Leif L Hannover Medical School, Orthopedic department, Hannover, Germany - - 2014
Distinguishing between patients with a true Morton's neuroma and other forefoot pathology can be difficult. The aim of this study was to evaluate the diagnostic accuracy of routine magnetic resonance imaging (MRI) when compared to clinical examination for Morton's neuroma. We retrospectively identified 71 patients who underwent operative treatment due ...
Kettenbach Joachim J ARTORG Center for Biomedical Engineering, University of Bern , - - 2014
Abstract Purpose: To test the feasibility of a robotic needle-guidance platform during CT-guided puncture ex vivo. Material and methods: Thin copper wires inserted into a torso phantom served as targets. The phantom was placed on a carbon plate and the robot-positioning unit (RPU) of the guidance platform (iSYS Medizintechnik GmbH, ...
Yoshinaga Keiichiro K Department of Molecular Imaging, Hokkaido University Graduate School of Medicine, Kita15 Nishi7, Kita-Ku, Sapporo, Hokkaido, 060-8638, Japan, - - 2014
(123)I-metaiodobenzylguanidine (MIBG) has been used to estimate cardiac sympathetic nervous innervation. Heterogeneous MIBG distribution is mainly associated with high physiological MIBG uptakes in the liver. We postulate that prone position acquisition might be especially effective for MIBG, providing for separation from high liver uptake similar to that provided by perfusion ...
Safain Mina G MG Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center, and Tufts University School of Medicine, Boston, - - 2014
Object Intracranial atherosclerotic disease (ICAD) carries a high risk of stroke. Evaluation of ICAD has focused on assessing the absolute degree of stenosis, although plaque morphology has recently demonstrated increasing relevance. The authors provide the first report of the use of ultra-high-resolution C-arm cone-beam CT angiography (CBCT-A) in the evaluation ...
Shejul Yogesh Y Department of Medicine, Bhabha Atomic Research Centre Hospital, Mumbai, - - 2014
The potential of (18)F-FDG PET/CT in the diagnosis and treatment response monitoring of fever of unknown origin (resulting from hepatosplenic tuberculosis) is demonstrated in this report. The patient was a 32-y-old woman who had presented to us with a history of pyrexia of unknown origin for the past 2 mo. ...
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