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Yin Jiandong J Sino-Dutch Biomedical and Information Engineering School of Northeastern University, Shenyang, Liaoning, China; Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, - - 2014
To propose a new clustering method for the automatic detection of arterial input function (AIF) with high accuracy in dynamic susceptibility contrast-magnetic resonance imaging (DSC-MRI). A novel method for automatically determining the AIF was proposed to facilitate the analysis of MR perfusion, which relied on normalized cut (Ncut) clustering. Its ...
Fujioka Tomoyuki T Departments of aRadiology bOral and Maxillofacial Radiology cHead and Neck Surgery, Tokyo Medical and Dental University, Tokyo, - - 2014
The present study evaluated the usefulness of postoperative fluorine-18 fluorodeoxyglucose (F-FDG) PET/computed tomography (CT) in the management of olfactory neuroblastoma (ONB). Ten patients (eight men and two women; mean age, 48.5 years) with histologically confirmed ONB who underwent craniofacial resection were retrospectively included in this study. A total of 42 ...
Codsi Michael J MJ The Everett Clinic, Everett, WA, USA. Electronic address: - - 2014
This study compared ultrasound and magnetic resonance imaging (MRI) evaluation of the repaired rotator cuff to determine concordance between these imaging studies. We performed a concordance study using the data from a prospective nonrandomized multicenter study at 13 centers. A suture bridge technique was used to repair 113 rotator cuff ...
Ross P James PJ Aberdeen Biomedical Imaging Centre, Musculoskeletal group, School of Medicine and Dentistry, University of Aberdeen, United - - 2014
Fast field-cycling MRI (FFC-MRI) is a technique that promises to expand upon the diagnostic capabilities of conventional MRI by allowing the main field, B0 , to be varied during a pulse sequence, thus allowing access to new types of endogenous contrast. However, this necessitates longer scan times, which can limit ...
Dunet V V Vincent Dunet, MD, BSc, Department of Radiology, Lausanne University Hospital, Rue du Bugnon 46, 1011, Lausanne Switzerland, Tel. +41/795 56 05 68, Fax +41/213 14 43 49 - - 2014
Aim: MRI and PET with 18F-fluoro-ethyl-tyrosine (FET) have been increasingly used to evaluate patients with gliomas. Our purpose was to assess the additive value of MR spectroscopy (MRS), diffusion imaging and dynamic FET-PET for glioma grading. Patients, methods: 38 patients (42 ± 15 aged, F/M: 0.46) with untreated histologically proven ...
Buonincontri Guido G Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, Cambridge, - - 2014
In vivo assessment of heart function in mice is important for basic and translational research in cardiology. MRI is an accurate tool for the investigation of the anatomy and function in the preclinical setting; however, the long scan duration limits its usage. We aimed to reduce the acquisition time of ...
Kawamura Etsushi E Department of Hepatology, Graduate School of Medicine, Osaka City University, Osaka, - - 2014
(18) F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) may detect primary lesions (PLs) and extrahepatic metastases (EHMs) only in advanced hepatocellular carcinoma (HCC) patients. We investigated the requirement of PET and the optimal timing of PET scanning for accurate staging and treatment planning. We conducted a retrospective investigation of 64 HCC patients ...
Baron Corey A CA Department of Biomedical Engineering, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, - - 2014
An acquisition method that does not increase scan time or specific absorption rate is investigated for reducing the deleterious effects of cerebrospinal fluid (CSF) partial volume effects on diffusion tensor imaging (DTI) tractography. It is based on using a shorter repetition time (TR) by means of slice acquisition re-ordering to ...
Andia Marcelo E ME From the Division of Imaging Sciences and Biomedical Engineering, St Thomas' Hospital (M.E.A., A.J.W., A.P., T.S., R.M.B.), Academic Department of Surgery, Cardiovascular Division (P.S., J.J., B.M., S.P.G., A.S.P., A.S.), Wellcome Trust and EPSRC Medical Engineering Centre (T.S., R.M.B.), BHF Centre of Excellence, Cardiovascular Division (T.S., A.S., R.M.B.), and NIHR Biomedical Research Centre, GSTT (T.S., A.S., R.M.B.), King's College London, London, United Kingdom; and Radiology Department, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile - - 2014
Deep venous thrombosis is a major health problem. Thrombolytic therapies are effective in recanalizing the veins and preventing post-thrombotic complications, but there is no consensus on selection criteria. The aim of this study was to investigate a fibrin-specific MRI contrast agent (EP-2104R) for the accurate quantification of thrombus' fibrin content ...
Li Xiaona X Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laborary of Orthopedics, Ziqiang road 139, Shijiazhuang, Hebei, 050051, - - 2014
Objectives: The purpose of this study is to assess radiofrequency (RF) artifacts in Echo planar imaging (EPI) induced by two 1.5T MR scanners in close proximity, and find an effective method to correct them. Methods: Based on the intact shielding of rooms, experiments were performed by two MR scanners with ...
Van de Velde Joris J Department of Anatomy, Ghent University, De Pintelaan 185, 9000, Ghent, Belgium, - - 2014
The goal of this work was to validate the Radiation Therapy Oncology Group (RTOG)-endorsed guidelines for brachial plexus (BP) contouring by determining the intra- and interobserver agreement. Accuracy of the delineation process was determined using anatomically validated imaging datasets as a gold standard. Five observers delineated the right BP on ...
Iv Michael M Department of Radiology, Stanford University and Stanford University Medical Center, Stanford, - - 2014
To investigate the frequency and characteristics of developmental venous anomaly (DVA)-associated perfusion abnormalities on arterial spin labeling (ASL) and bolus perfusion-weighted imaging (PWI) and discuss their potential causes. We reviewed brain MR reports to identify all DVAs reported on studies performed between 2009 and 2012. DVA location and findings on ...
Bashir Mustafa R MR Department of Radiology, Duke University Medical Center, DUMC 3808, Durham, NC 27710. Electronic address: - - 2014
To evaluate clinical and imaging features associated with adequacy of the hepatocyte phase (HP) in gadoxetate disodium-enhanced liver magnetic resonance imaging (MRI) in patients without chronic liver disease (CLD). This was a retrospective institutional review board-approved study of 97 patients who underwent liver MRI examinations with gadoxetate disodium and had ...
van den Hoff Jörg - - 2014
Standard uptake values (SUV) as well as tumor-to-blood standard uptake ratios (SUR) measured with[18F-]fluorodeoxyglucose (FDG) PET are time dependent. This poses a serious problem for reliablequantification since variability of scan start time relative to the time of injection is a persistent issue inclinical oncological Positron emission tomography (PET). In this ...
Papanikolaou Ioannis S IS Department of Internal Medicine, Division of Hepatology & Gastroenterology, Charité Campus Virchow Clinic , Augustenburger Platz 1, D-13353, Berlin , - - 2014
Abstract Background and study aims. MRI-guided procedures combine high-quality imaging with lack of radiation. Percutaneous transhepatic cholangiodrainage under real-time MRI guidance (MRI-PTCD) seems promising, allowing targeted puncture and avoiding multiple blind passes and use of contrast, which are associated with standard PTCD's heaviest complications. Patients and methods. Aim of this ...
Wang Ligong L Quantitative Multinuclear Musculoskeletal Imaging Group (QMMIG), Center for Biomedical Imaging, Department of Radiology, New York University Langone Medical Center, New York, NY 10016, USA; School of Radiation Medicine and Protection, Medical College of Soochow University, Rm. 2206, Building 402, 199 Ren Ai Rd, Suzhou Industrial Park, Suzhou, Jiangsu Province 215123, China; School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Rm. 2206, Building 402, 199 Ren Ai Rd, Suzhou Industrial Park, Suzhou, Jiangsu Province 215123, China. Electronic address: - - 2014
The objectives of this study were to measure the parallel changes of transverse relaxation times (T2), spin-lattice relaxation time in the rotating frame (T1ρ), and the delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC)-T1 mapping of human knee cartilage in detecting cartilage degeneration at 3.0T. Healthy volunteers (n = 10, mean age ...
Corradini S S Department of Radiation Oncology, University of Munich, Marchioninistr. 15, 81377, Munich, Germany, - - 2014
The role of postoperative radiotherapy in breast-conserving therapy is undisputed. However, optimal timing of adjuvant radiotherapy is an issue of ongoing debate. This retrospective clinical cohort study was performed to investigate the impact of a delay in surgery-radiotherapy intervals on local control and overall survival. Data from an unselected cohort ...
Qiang Yongqian Y Department of Radiology, The First Affiliated Hosptial of Medical School, Xi'an Jiaotong Unversity, Xi'an City, Shaanxi Province 710061, People's Republic of - - 2014
To aid a consistent segmentation of pulmonary nodules, the authors describe a novel computerized scheme that utilizes a freehand sketching technique and an improved break-and-repair strategy. This developed scheme consists of two primary parts. The first part is freehand sketch analysis, where the freehand sketching not only serves a natural ...
Brix Lau L Department of Procurement and Clinical Engineering, Region Midt, Olof Palmes Allé 15, 8200 Aarhus N, Denmark and MR Research Centre, Aarhus University Hospital, Skejby, Brendstrupgaardsvej 100, 8200 Aarhus N, - - 2014
Combined magnetic resonance imaging (MRI) systems and linear accelerators for radiotherapy (MR-Linacs) are currently under development. MRI is noninvasive and nonionizing and can produce images with high soft tissue contrast. However, new tracking methods are required to obtain fast real-time spatial target localization. This study develops and evaluates a method ...
Mann Ritse M RM From the *Radboud University Nijmegen Medical Centre, Department of Radiology, Nijmegen, the Netherlands; †Siemens Medical Solutions, New York, NY; and ‡FraunHofer MEVIS, Bremen, - - 2014
The use of breast magnetic resonance imaging (MRI) as screening tool has been stalled by high examination costs. Scan protocols have lengthened to optimize specificity. Modern view-sharing sequences now enable ultrafast dynamic whole-breast MRI, allowing much shorter and more cost-effective procedures. This study evaluates whether dynamic information from ultrafast breast ...
Subhash R R Department of Gastrointestinal Surgery and Liver Transplantation, Amrita Institute of Medical Sciences and Research Centre, Aims Ponekkara PO, Kochi, 682 041, India, - - 2014
Long-term anticoagulation is associated with hemorrhage at various sites. Gastrointestinal intramural bleeds and hematomas (IMH) often mimic mesenteric ischemia (MI) due to similar clinical settings and imaging features, making early differentiation difficult. To compare the demography, clinical features and imaging characteristics of patients presenting with IMH with those of MI, ...
Wang Dingxin D From Siemens Medical Solutions USA, Minneapolis, Minn (D.W.); the Departments of Radiology (D.W., B.J., R.J.L., A.R., K.M., R.K.R., K.T.S., A.C.L., R.S., R.A.O.), Hepatology (L.M.K.), and Medicine (M.F.M., R.S.), Feinberg School of Medicine, Robert H. Lurie Comprehensive Cancer Center (R.J.L., L.M.K., M.F.M., A.C.L., R.S., R.A.O.), and Biomedical Engineering Department, McCormick School of Engineering (A.C.L., R.A.O.), Northwestern University, Chicago, Ill; Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, Minn (D.W.); and Department of Radiology, University of Illinois Hospital and Health Sciences System, Chicago, Ill - - 2014
Purpose To investigate the predictive value of transcatheter intraarterial perfusion (TRIP) magnetic resonance (MR) imaging-measured tumor perfusion changes during transarterial chemoembolization on transplant-free survival (TFS) in patients with unresectable hepatocellular carcinoma (HCC). Materials and Methods This HIPAA-compliant prospective study was approved by the institutional review board. Written informed consent was ...
Schieda Nicola N Department of Medical Imaging, Ottawa Hospital Research Institute, Ottawa Hospital Civic Campus, Room c159, 1053 Carling Ave, Ottawa, ON, K1Y 4E9, Canada, - - 2014
To use systematic review to evaluate the diagnostic accuracy of segmental enhancement inversion (SEI) at contrast-enhanced biphasic multi-detector computed tomography (MDCT) for the diagnosis of renal oncocytoma. Several electronic databases were searched through October 2013. Two reviewers independently selected studies that met the inclusion criteria and extracted data. Study quality ...
Lagemaat Miriam W MW Department of Radiology, Radboud University Medical Center, Nijmegen, The - - 2014
Optimization of phosphorus ((31) P) MR spectroscopic imaging (MRSI) of the human prostate at 7 T by the evaluation of T1 relaxation times and the Nuclear Overhauser Effect (NOE) of phosphorus-containing metabolites. Twelve patients with prostate cancer and one healthy volunteer were scanned on a 7 T whole-body system using ...
Tal Assaf A Department of Radiology, New York University School of Medicine, New York, New York, - - 2014
To design a proton MR spectroscopy ((1) H-MRS) localization sequence that combines the signal-to-noise-ratio (SNR) benefits of point resolved spectroscopy (PRESS) with the high pulse bandwidths, low chemical shift displacements (CSD), low specific absorption rates (SAR), short echo times (TE), and superior radiofrequency transmit field (B1+ ) immunity of stimulated ...
Kalra Vivek B VB Department of Diagnostic Radiology, Yale School of Medicine, Box 208042, Tompkins East 2, 333 Cedar Street, New Haven, CT 06520-8042, United States of America. Electronic address: - - 2014
To evaluate value of adding non-contrast MR angiographic sequence (In-Flow Inversion Recovery [IFIR]) to standard fat-suppressed T1-weighted postcontrast sequence (3D spoiled gradient echo [3D-GRE]) for evaluating hepatic arterial anatomy. Retrospective evaluation of 30 consecutive patients undergoing multiphase liver MRI. Individual vessels for IFIR/3D-GRE sequences were evaluated by two blinded readers ...
Jung H N HN From the Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, - - 2014
Developmental venous anomalies are the most common intracranial vascular malformation. Increased signal-intensity on T2-FLAIR images in the areas drained by developmental venous anomalies are encountered occasionally on brain imaging studies. We evaluated diffusion and perfusion MR imaging findings of the abnormally high signal intensity associated with developmental venous anomalies to ...
Avery Laura L LL Department of Radiology, Division of Emergency Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA, - - 2014
High-density pericardial fluid may be seen on noncontrast CT performed following cardiac catheterization (CC), raising the possibility of hemopericardium. Our goal was to determine the clinical course and associations of incidentally discovered high-attenuation pericardial fluid on noncontrast CT performed soon after CC. Hospital database search over a 7.5-year period identified ...
Salmani Rahimi Mahdi M Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, - - 2014
To develop and evaluate a method for volumetric contrast-enhanced MRI of the liver, with high spatial and temporal resolutions, for combined dynamic imaging and MR angiography (MRA) using a single injection of contrast agent. An interleaved variable density (IVD) undersampling pattern was implemented in combination with a real-time-triggered, time-resolved, dual-echo ...
Blomberg Björn A BA Department of Nuclear Medicine, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense, Denmark, - - 2014
This study aimed to determine if delayed (18)F-fluorodeoxyglucose ((18)FDG) PET/CT imaging improves quantitation of atherosclerotic plaque inflammation. Blood-pool activity can disturb the arterial (18)FDG signal. With time, blood-pool activity declines. Therefore, delayed imaging can potentially improve quantitation of vascular inflammation. 40 subjects were prospectively assessed by dual-time-point PET/CT imaging at ...
Bains Lauren J LJ Department of Radiology, Neuroradiology and Nuclear Medicine, Institute of Diagnostic, Interventional and Pediatric Radiology, University of Bern, Inselspital, Bern, - - 2014
To prospectively assess the diagnostic accuracy of diffusion-weighted magnetic resonance imaging (DW-MRI) for the detection of significant prostate cancer (PCa). Prospective study of 111 consecutive men with prostate and/or bladder cancer undergoing 3T DW-MRI of the pelvis without endorectal coil prior to radical prostatectomy (n=78) or cystoprostatectomy (n=33). Three independent ...
Johnson Casey P CP From the Department of Radiology, University of Iowa, Iowa City, Iowa (C.P.J.); and MR Research Laboratory and Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905 (P.T.W., E.A.B., R.C.G., T.C.H., C.C.L., P.J.R., J.F.G., P.M.Y., - - 2014
Purpose To determine the feasibility of using real-time fluoroscopic tracking for bolus-chase magnetic resonance (MR) angiography of peripheral vasculature to image three stations from the aortoiliac bifurcation to the pedal arteries. Materials and Methods This prospective study was institutional review board approved and HIPAA compliant. Eight healthy volunteers (three men; ...
Tselikas Lambros L Interventional Radiology Department, Gustave Roussy, 114 rue Edouard Vaillant, 94805, Villejuif, France, - - 2014
This study was designed to compare the accuracy of targeting and the radiation dose of bone biopsies performed either under fluoroscopic guidance using a cone-beam CT with real-time 3D image fusion software (FP-CBCT-guidance) or under conventional computed tomography guidance (CT-guidance). Sixty-eight consecutive patients with a bone lesion were prospectively included. The ...
Kim Hyun Cheol HC Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, 149 Sangil-dong, Gangdong-gu, Seoul, 134-727, Republic of Korea, - - 2014
To evaluate mutidetector computed tomography (MDCT) for the prediction of perforation site according to each gastrointestinal (GI) tract site and elapsed time. One hundred and sixty-eight patients who underwent MDCT before laparotomy for GI tract perforation were enrolled and allocated to an early or late lapse group based on an ...
Smith Alex K AK Department of Biomedical Engineering, Vanderbilt - - 2014
Quantitative magnetization transfer (qMT) imaging can provide indices describing the interactions between free water protons and immobile macromolecular protons. These indices include the macromolecular proton fraction (MPF), which has been shown to correlate with myelin content in white matter. Because of the long scan times required for high-resolution spinal cord ...
Jensen Nikolaj K G NK Physics & Engineering, London Regional Cancer Program, - - 2014
To evaluate the application of perfusion CT for gross tumor volume (GTV) delineation for radiotherapy of intrahepatic tumors. 15 radiotherapy patients with confirmed liver tumors underwent contrast enhanced 4D-CT (Philips Brilliance Big-bore) as well as dynamic contrast enhanced (DCE) CT (GE 750HD). Perfusion maps were generated with CT perfusion v5 ...
Ovesen Christian C From the Department of Neurology (C.O., S.R., H.C.) and Radiology (A.F.C., I.H.), Copenhagen University Hospital-Bispebjerg, Copenhagen, Denmark; and Department of Neurology, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark - - 2014
Early hematoma expansion (EHE) in patients with intracerebral hematoma is a promising treatment target. To date, the time course of EHE has remained poorly described. We prospectively investigated the time course of EHE. We included consecutive patients presenting spontaneous intracerebral hematoma within 4.5 hours. On admission, patients underwent noncontrast computed ...
Schwartzberg Randy R Department of Orthopaedics, Orlando Orthopaedic Center, Orlando, - - 2014
This study was designed to evaluate preoperative predictions of the femoral and tibial ACL insertion lengths. Intraoperative measurements were made of the femoral and tibial ACL insertion lengths with an arthroscopic ruler. A musculoskeletal radiologist and a sports medicine orthopedic surgeon measured the ACL insertions from preoperative magnetic resonance imagings ...
Jha Ruchira R From the Department of Neurology, Massachusetts General Hospital, Boston, MA (R.J., T.W.K.B., L.P., W.T.K.); Department of Neurology and Psychiatry, Policlinico Umberto I Hospital, Sapienza University of Rome, Rome, Italy (S.L.); Department of Neurology, Warren Alpert Medical School of Brown University, Providence, RI (K.L.F.); and Department of Neurology, Yale New Haven Hospital, New Haven, CT - - 2014
Matrix metalloproteinase-9 (MMP-9) is elevated in patients with acute stroke who later develop hemorrhagic transformation (HT). It is controversial whether early fluid-attenuated inversion recovery (FLAIR) hyperintensity on brain MRI predicts hemorrhagic transformation (HT). We assessed whether FLAIR hyperintensity was associated with MMP-9 and HT. We analyzed a prospectively collected cohort ...
Chu Kevin K School of Medicine, University of Queensland, Brisbane, Queensland, Australia; Department of Emergency Medicine, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia. Electronic address: - - 2014
We assess the sensitivity and specificity of xanthochromia as adjudicated by visual inspection and spectrophotometry at predicting the presence of cerebral aneurysm in patients with suspected subarachnoid hemorrhage who have a normal computed tomography (CT) head scan result. A systematic review was performed. MEDLINE and EMBASE databases were searched. Relevant ...
Wintermark Max M From the Department of Radiology, Neuroradiology Division (M.W., N.T., T.J.D.), Department of Neurosurgery (D.S.H., N.K., W.J.E.), and Department of Neurology (B.B.S.), University of Virginia, 1215 Lee St, New Hospital, 1st Floor, Room 1011, Charlottesville, VA 22908-0170; and Department of Radiology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland - - 2014
Purpose To use diffusion-tensor (DT) magnetic resonance (MR) imaging in patients with essential tremor who were treated with transcranial MR imaging-guided focused ultrasound lesion inducement to identify the structural connectivity of the ventralis intermedius nucleus of the thalamus and determine how DT imaging changes correlated with tremor changes after lesion ...
van Nierop Lotte E LE Institute for Risk Assessment Sciences, Division of Environmental Epidemiology, Utrecht University, Utrecht, The - - 2014
To determine whether the use of quantitative personal exposure measurements in experimental research would result in better estimates of the associations between static and time-varying magnetic field exposure and neurocognitive test performance than when exposure categories were based solely on distance to the magnetic field source. In our original analysis, ...
Seeger A A Department of Diagnostic and Interventional Neuroradiology, Eberhard-Karls-University, Hoppe-Seyler-Str. 3, 72076, Tübingen, Germany, - - 2014
The evaluation of carotid-cavernous fistulas (CCFs) and the intracranial vasculature has been predominantly carried out using conventional digital subtraction angiography (DSA). Recent developments in time-resolved magnetic resonance angiography (MRA) provide the opportunity to assess both multiple arterial and venous phases with high temporal and spatial resolution. Here, we investigated the ...
Robinson Philip P Department of Radiology, Leeds Teaching Hospitals, University of Leeds, Leeds, - - 2014
To prospectively follow a cohort of elite young male professional soccer players with sequential symptom questionnaires and imaging of the anterior pelvis to determine the prevalence and severity of imaging findings. 34 male athletes (mean age 16.5 years) underwent clinical examination, history/symptom questionnaire, ultrasound and 1.5 T MRI of the ...
Bauman Grzegorz G Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, - - 2014
To assess the feasibility of spatial-temporal constrained reconstruction for accelerated regional lung perfusion using highly undersampled dynamic contrast-enhanced (DCE) three-dimensional (3D) radial MRI with ultrashort echo time (UTE). A combined strategy was used to accelerate DCE MRI for 3D pulmonary perfusion with whole lung coverage. A highly undersampled 3D radial ...
Czerny Christoph C Department of Trauma Surgery, University Hospital Frankfurt, Goethe-University Frankfurt, Frankfurt am Main, - - 2014
To report our experience using C-arm cone beam CT (C-arm CBCT) combined with the new remote operated positioning and guidance system, iSYS1, for needle guidance during spinal interventions. A C-arm CBCT with a flat panel angiography system was acquired (Artis Zeego; Siemens Healthcare Sector, Forchheim, Germany). Reconstruction of CT-like images ...
Ung Ka K Department of Radiation Oncology, Andrew Love Cancer Centre, Barwon Health, Geelong, Victoria, - - 2014
In post-prostatectomy radiotherapy to the prostatic bed, consistent bladder volume is essential to maintain the position of treatment target volume. We assessed the differences between bladder volume readings from a portable bladder scanner (BS-V) and those obtained from planning CT (CT-V) or cone-beam CT (CBCT-V). Interfraction bladder volume variation was ...
Corato Manuel M From the Emergency Neurology and Stroke Unit (M.C.), Ultrasound Unit, Diagnostic Imaging Department (P.D.N.), and Department of Radiology (N.T.), Istituto Clinico Humanitas IRCCS, Rozzano, Italy; Department of Neurology (S.P.), Massachusetts General Hospital; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital; and VA Boston Healthcare System (S.P.), Boston, - - 2014
A 40-year-old woman presented with 2 weeks of left arm pain followed by hand weakness and numbness. Electrodiagnostic testing revealed an isolated median sensorimotor axonopathy localizing proximal to the pronator teres. The working diagnosis of a forme fruste of neuralgic amyotrophy was made. MRI of the left arm was performed ...
Ganiler Onur O VICOROB Computer Vision and Robotics Group, University of Girona, Edifici P-IV. Campus de Montilivi s/n, 17071, Girona, Spain, - - 2014
Time-series analysis of magnetic resonance images (MRI) is of great value for multiple sclerosis (MS) diagnosis and follow-up. In this paper, we present an unsupervised subtraction approach which incorporates multisequence information to deal with the detection of new MS lesions in longitudinal studies. The proposed pipeline for detecting new lesions ...
Aspelund Gudrun G Division of Pediatric - - 2014
Cross-sectional imaging increases accuracy in diagnosing appendicitis. We hypothesized that a radiation-free imaging pathway of ultrasonography selectively followed by MRI would not change clinical end points compared with computed tomography (CT) for diagnosis of acute appendicitis in children. We retrospectively reviewed children (<18 years old) who had diagnostic imaging for ...
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