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Mori Kentaro K Department of Neurosurgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, 359-8513, Japan, - - 2014
Several animal subarachnoid hemorrhage (SAH) models have been proposed to study the etiology and treatment for cerebral vasospasm. We describe the experimental procedures of a canine double-hemorrhage model of SAH and discuss the pathophysiological parameters and occurrence of angiographic delayed cerebral vasospasm using magnetic resonance (MR) imaging and digital subtraction ...
Payabvash Seyedmehdi S Zeenat Qureshi Stroke Institute, Dinnaken Office Building, 925 Delaware Street SE, Suite 300, Minneapolis, MN, 55414, - - 2014
This study aimed to identify the imaging characteristics that can help differentiate intraparenchymal hemorrhage from benign contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients after endovascular treatment. We reviewed the clinical and imaging records of all acute ischemic stroke patients who underwent endovascular treatment in two ...
Docimo Salvatore S Department of Surgery, Division of Trauma and Surgical Critical Care, Lutheran Medical Center, Brooklyn, New York, - - 2014
The literature reports delayed intracranial hemorrhage (ICH) after blunt trauma in patients taking preinjury anticoagulant and antiplatelet (AC/AP) medications. We sought to evaluate the incidence of delayed ICH at our institution and hypothesize that patients taking AC/AP medications who are found to have a negative first computed tomography (CT) scan ...
Watanabe Hidehiro H Department of Respiratory Medicine, Tokyo Medical University Ibaraki Medical Center, Ibaraki, Japan ; Division of Respiratory Medicine, Tokai University Hachioji Hospital, Tokyo, - - 2014
Tracheobronchial foreign body may often be treated as asthma, chronic bronchitis or etc. especially in patients with no memories of aspiration episodes. A 74-year-old woman, suffering from persistent cough, was temporarily misdiagnosed with allergic bronchopulmonary aspergillosis and treated for six months. During this period, computed tomography (CT) findings changed from ...
Leccisotti Lucia L Institute of Nuclear Medicine, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, 00168, Rome, Italy, - - 2014
Positron emission tomography-computed tomography (PET-CT) with (18)F-fluorodeoxyglucose (FDG) has emerged as a rapidly evolving diagnostic tool for infectious diseases. However, the optimal imaging time in this clinical setting is not clear yet. The aim of this study is to investigate whether delayed (3 hours) FDG PET-CT could increase the diagnostic accuracy ...
van Hamersvelt Hanneke P HP From the *Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, Utrecht, The Netherlands; †Department of Hematology, and ‡Department of Nuclear Medicine, Meander Medical Center Amersfoort, Amersfoort, The - - 2014
To determine whether full-dose contrast-enhanced computed tomography (CT) (CECT) can be omitted from an F-fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) (FDG-PET)/CT staging examination in newly diagnosed FDG-avid lymphoma. Twenty-nine patients with newly diagnosed FDG-avid lymphoma prospectively underwent unenhanced low-dose FDG-PET/CT and CECT. Different observers evaluated unenhanced low-dose FDG-PET/CT and CECT ...
Schlierf Thomas - - 2014
Pediatric atlantoaxial rotatory subluxation (AARS) is a rare finding with various etiologies and treatment recommendations. Etiologies include both traumatic and nontraumatic causes. The diagnosis is suggested by clinical presentation and confirmed with imaging. Various forms of management have been discussed in the literature. However, no overall consensus has been established. ...
Kim Tae Un TU Department of Radiology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 626-770, - - 2014
We report a case of a 74-year-old female with myxoid adrenocortical adenoma which showed different magnetic resonance imaging findings compared to those of a typical adrenocortical adenoma. The myxoid change in the adrenocortical adenoma is a rare form of degeneration. It presents a considerable diagnostic challenge to both radiologists and ...
Park Yumi Y Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, - - 2014
Myocarditis often occurs due to viral infections and postviral immune-mediated responses. Hypersensitivity myocarditis is a rare form of myocarditis. Numerous drugs can induce myocarditis, which is typically reversible after withdrawal of the causative agent. Here, we report a case of hypersensitivity myocarditis that was probably triggered by amoxicillin and that ...
Wang Rui R State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing, 100101, - - 2014
To present a multi-delay pseudo-continuous ASL (pCASL) protocol that offers simultaneous measurements of cerebral blood flow (CBF) and arterial transit time (ATT), and to study correlations between multi-delay pCASL and CT perfusion in moyamoya disease. A 4 post-labeling delay (PLD) pCASL protocol was applied on 17 patients with moyamoya disease ...
Chaney Kimberly A KA Department of Radiology, Loyola University, Stritch School of Medicine, 2160 S. First Ave, Maywood, IL 60153, CA, - - 2014
The medical management of patients requiring imaging of the head is often complex. This is confounded by growth and development of neuroimaging technology. Summarizing established guidelines and provided answers to commonly asked questions about neurovascular imaging may aid in providing efficient medical care. Noncontrast head computed tomography (CT) is usually ...
Woodfield J J Department of Neurosurgery, John Radcliffe Hospital, Oxford, UK. Electronic address: - - 2013
To assess the efficacy of delayed magnetic resonance imaging (MRI) in identifying a structural cause for angiogram-negative subarachnoid haemorrhage. All patients presenting with spontaneous subarachnoid haemorrhage who had negative computed tomography (CT) angiography and catheter angiography between 2006 and 2012 were reviewed. During the 6 year period, 1023 angiograms were ...
Rué M - - 2013
Occipital condylar fractures (OCFs) are rare and difficult to diagnose. The routine use of computed tomography (CT) scan in traumatology has however now made their diagnosis easier, with an estimated frequency of 4 to 19% of craniospinal traumatized patients and 0.4 to 0.7% of all severe traumatized patients in emergencies. ...
Delgado Almandoz Josser E - - 2013
The yield of delayed neurovascular imaging in patients with subarachnoid hemorrhage (SAH), negative initial CT and catheter angiograms (CT angiography (CTA), DSA), and negative 7 day repeat DSA is not well understood. Our aim was to determine the yield of delayed neurovascular imaging for the detection of causative vascular lesions ...
Moussouttas Michael - - 2013
Subarachnoid hemorrhage (SAH) is accompanied by a marked acute sympathetic response, and evidence exists for sympathetic participation in the development of cerebral vasospasm (VS). The purpose of this observational investigation was to assess the association between acute central catecholaminergic activity, early VS and delayed VS following SAH. SAH grade 3-5 ...
Akkaya Zehra Z 1 Department of Radiology, Ministry of Health Afyonkarahisar Dinar State Hospital, Afyonkarahisar, - - 2013
Distinguishing the benign and malignant cardiac masses is usually a diagnostic challenge, and safe, non-invasive, and reliable techniques are necessary to avoid any delay in treatment. The previously described "sun ray" appearance is an important sign in the diagnosis of cardiac angiosarcoma, and in this report we present 3-T magnetic ...
Cieszanowski Andrzej - - 2013
The purpose of this study was to assess the value of contrast-enhanced magnetic resonance cholangiography (MRC) performed in different time delays after injection of gadoxetic acid disodium (Gd-EOB-DTPA) for the diagnosis of active bile leak. This retrospective analysis included Gd-EOB-DTPA enhanced MR images of 34 patients suspected of bile leak. ...
Park Young-Min - - 2013
We report herein a female patient presenting with delayed anoxic encephalopathy after carbon monoxide (CO) intoxication. Five months after she attempted suicide in her car using burning charcoal, she showed manic symptoms including aggressive behaviors, irritability, decreased total sleep time, increased energy and sexual interest, and hyperactivity, as well as ...
Lin Ningshu - - 2013
To evaluate the accuracy of computed tomography urography (CTU) in the detection of caliceal diverticulum (CD) complicated with urolithiasis and the effect of compression and prolongation of acquisition delay. All data were collected from a previous research between 2002 and 2011 at 3 hospitals. A total of 182 patients with ...
Shin Jae Uk - - 2013
Differentiation of autoimmune pancreatitis (AIP) and pancreatic cancer (PC) is important to avoid unnecessary surgery. The aim of this study was to compare various image findings and facilitate the differentiation of these two diseases. The radiological features of 36 AIP patients and 36 patients with resected PC diagnosed at Samsung ...
Moses Justin Edmund JE Department of Radiology, Arora Neuro Centre, Ludhiana, Punjab, - - 2013
We present a patient with old traumatic right brachial plexus injury, who developed progressive neurological deterioration 4 years after the initial injury. On magnetic resonance imaging (MRI), herniation of the upper dorsal cord was noted into a post-traumatic pseudomeningocele. Though the herniation of cord into a post-traumatic pseudomeningocele is very ...
Floerchinger Bernhard - - 2013
Cardiac tamponade is a severe complication after open heart surgery. Diagnostic imaging is challenging in postoperative patients, especially if tamponade develops with subacute symptoms. Hypothesizing that delayed tamponade after open heart surgery is not sufficiently detected by transthoracic echocardiography, in this study CT scans were used as standard reference and ...
Martínez-Rodríguez I - - 2013
PURPOSE: To compare the contribution of the (18)F-FDG-PET/CT acquisition at 180min and at 60min in suspicion of large vessel vasculitis (LVV). MATERIAL AND METHODS: A prospective study including 23 patients was performed. PET/CT was acquired at 60 and 180min (early and delayed scan) after (18)F-FDG injection. A visual analysis was ...
Mertens Koen - - 2013
AIM: The aim of this study was to validate F-FDG PET imaging for differentiating high-grade gliomas (HGGs) from low-grade gliomas (LGGs). METHODS: Twenty-one patients with gliomas undergoing a stereotactic biopsy underwent PET scanning at conventional and delayed intervals, diagnostic and stereotactic MR examinations. To calculate the uptake at the biopsy ...
Minamimoto Ryogo - - 2013
PURPOSE: The aim of this study was to evaluate the interpretations of incidental colonic 18F-FDG uptake made by 10 experienced readers and to more clearly identify the pattern of suspicious colonic FDG uptake. The potential contributions of delayed FDG-PET scanning and of immune fecal occult blood testing (FOBT) in making ...
Moraes Gustavo L - - 2013
This review highlights the role of delayed enhancement magnetic resonance imaging for the diagnosis of patients with nonischemic myocardial disease. The authors discuss the use of delayed enhancement for differentiation between ischemic and nonischemic myocardial disease and for narrowing the differential diagnosis when nonischemic etiologies are suspected. In addition, special ...
Bhattacharyya Neil - - 2013
OBJECTIVES/HYPOTHESIS: Determine temporal trends in otolaryngologists' utilization of computed tomography (CT) in the diagnosis of sinonasal disorders. STUDY DESIGN: Cross-sectional analysis of national health-care database. METHODS: The National Ambulatory Medical Care Survey was examined from 2005 to 2010, and all visits to otolaryngologists with a chronic sinonasal diagnosis code (e.g., ...
Cronan John J - - 2013
Retirement and issues associated with the initiation of retirement have undergone extensive change in the past decade. Multiple factors, including economic conditions, have resulted in a delay in the initiation of retirement. Delayed retirement of senior radiologists is a factor contributing to a diminished job market for entering radiology graduates. ...
Caoduro Cécile C Department of Biophysics and Nuclear Medicine, EA 4662 Nanomedicine Lab, Imagery and Therapeutics, University of Franche-Comté and University Hospital, Besançon, - - 2013
(18)F-FDG PET has already proved its usefulness in the follow-up of patients with alveolar echinococcosis (AE) and has been proposed as a surrogate marker for therapeutic decisions on structured treatment interruption by benzimidazoles. However, standard PET acquisition (1 h after (18)F-FDG injection) lacks sensitivity, and the parasite may stay viable ...
Hughes Anna - - 2013
A 15-year-old girl sustained a mild isolated traumatic brain injury  following a pedestrian road traffic accident. She was ventilated for head computed tomography (CT) scan which revealed no intracranial abnormalities. Ventilation was not withdrawn until 15 h later when poor neurological recovery prompted urgent repeat CT, which demonstrated a delayed ...
Yoshida Yoshiko - - 2013
A 55-year-old woman visited our hospital for an investigation of central bronchiectasis, mucoid impaction and infiltrative shadows on chest CT. She had a 10-year history of bronchial asthma; however, her adherence to treatment was poor. Based on the presence of peripheral blood eosinophilia and immediate cutaneous reactivity to Aspergillus fumigatus, ...
Matthews Paul M PM Department of Medicine, Division of Brain Sciences, Imperial College, London, UK. - - 2013
In our contribution to this special issue focusing on advances in Alzheimer's disease (AD) research since the centennial, we will briefly review some of our own studies applying magnetic resonance imaging (MRI) measures of function and connectivity for characterization of genetic contributions to the neuropathology of AD and as candidate ...
Champ Colin E - - 2012
ABSTRACT: BACKGROUND: Adjuvant radiation therapy (RT) with temozolomide (TMZ) is standard of care for high grade gliomas (HGG) patients. RT is commonly started 3 to 5 weeks after surgery. The deformation of the tumor bed and brain from surgery to RT is poorly studied. This study examined the magnitude of ...
Bodker Tina - - 2012
BackgroundSeptic arthritis in the sternoclavicular (SC) region is rare and may be difficult to diagnose clinically and radiologically. It mainly affects immunocompromised persons, and can clinically be misinterpreted as tumor and rheumatic disorders. Lacking radiological reference standard, a multimodality approach may contribute to a prolonged diagnostic process.PurposeTo describe the diagnostics ...
Ho Jonathan - - 2012
With use of computed tomography (CT), intravenous contrast media is used routinely to help define anatomy and identify any pathology. Non-ionic iodinated contrast agents have largely replaced ionic agents and although rare, reactions to contrast are still important and more so with the continual increase in CT examinations in the ...
Rosenkrantz A B - - 2012
AIM: To assess impact of haemorrhage and delay after biopsy on prostate tumour detection using multi-parametric (MP) magnetic resonance imaging (MRI) assessment. MATERIALS AND METHODS: Forty-four patients underwent prostate MRI at 1.5 T using a pelvic phased-array coil, including T1-weighted imaging (T1WI), T2-weighted imaging (T2WI), diffusion-weighted imaging (DWI), and dynamic contrast-enhanced ...
Mansouri Alireza - - 2012
Background: Computed tomogram (CT) imaging is often used for immediate postoperative assessment of transsphenoidal pituitary adenoma resection while magnetic resonance imaging (MRI) is used for follow-up. The residual mass is known to decrease in size over time but the difference between the two imaging modalities has not been quantified. Our ...
Watson Rosie - - 2012
To investigate patterns of in vivo white matter tract change using diffusion tensor imaging (DTI), we conducted a cross-sectional study of dementia with Lewy bodies (DLB) in comparison with Alzheimer disease (AD) and normal aging. The study included 106 subjects (35 with DLB, 36 with AD, and 35 elderly controls) ...
Westman Eric - - 2013
Automated structural magnetic resonance imaging (MRI) processing pipelines are gaining popularity for Alzheimer's disease (AD) research. They generate regional volumes, cortical thickness measures and other measures, which can be used as input for multivariate analysis. It is not clear which combination of measures and normalization approach are most useful for ...
Morgan Shirlony - - 2012
IntroductionThere is increasing evidence that imaging with [(123)I]FP-CIT SPECT is helpful in differentiating dementia with Lewy bodies (DLB) from Alzheimer's disease (AD) but it is not known how well the scan performs in differentiating DLB from frontotemporal dementia (FTD).MethodWe compared the striatal dopamine transporter (DAT) binding in FTD (n=12), DLB ...
Lehman Vance T - - 2012
We examined the clinical impact of commercially available quantitation software using 3-dimensional stereotactic surface projection (3D-SSP) on the diagnostic accuracy of F fluorodeoxyglucose positron emission tomography (F FDG PET) in mild cognitive impairment (MCI) and Alzheimer disease (AD). Enrollees underwent clinical evaluation to determine cognitive status and subsequent F FDG ...
Minamimoto Ryogo - - 2012
ABSTRACT: An 82-year-old man with suspected systemic amyloidosis and complete atrioventricular block underwent vascular biopsy during his pacemaker implantation with pathology showing amyloid deposits. Tc-aprotinin SPECT revealed increased radiotracer uptake along the left ventricular wall, consistent with cardiac amyloidosis. C-PiB PET/CT performed for the evaluation of amyloid deposits in the ...
Wang Li Xia - - 2012
A solitary necrotic nodule (SNN) of the liver is an uncommon lesion, which is different from primary and metastatic liver cancers. To analyze the classification, CT and MR manifestation, and the pathological basis of solitary necrotic nodule of the liver (SNN) in order to evaluate CT and MRI as a ...
Kantarci Kejal - - 2012
To determine the association between the focal atrophy measures on antemortem MRI and postmortem neuropathologic classification of dementia with Lewy bodies (DLB) using the Third Report of the DLB Consortium criteria. We retrospectively identified 56 subjects who underwent antemortem MRI and had Lewy body (LB) pathology at autopsy. Subjects were ...
van der Flier Wiesje M - - 2012
Microbleeds are small dot-like lesions which can be appreciated on gradient echo, T2*-weighted magnetic resonance images as hypointensities. They are considered as an expression of small vessel disease on MRI, next to lacunes and white matter hyperintensities (WMH). Microbleeds are relatively common in vascular dementia, with reported prevalences between 35% ...
Montagne Axel - - 2012
Since endothelial cells can be targeted by large contrast-carrying particles, molecular imaging of cerebrovascular cell activation is highly promising to evaluate the underlying inflammation of the central nervous system (CNS). In this study, we aimed to demonstrate that molecular magnetic resonance imaging (MRI) of cerebrovascular cell activation can reveal CNS ...
Reetz Kathrin - - 2012
The neuropathological hallmark of the autosomal dominantly inherited, neurodegenerative disorder Huntington's disease is progressive striatal loss starting several years prior to symptom manifestation. Magnetic resonance imaging has been widely used to detect altered structure in premanifest and early Huntington's disease. Given that neurodegeneration is likely preceded by substantial neuronal dysfunction, ...
Yu Peng - - 2012
The goal of this study was to identify the optimal combination of magnetic resonance imaging (MRI), [18F]-fluorodeoxyglucose positron emission tomography (FDG-PET), and cerebrospinal fluid (CSF) biomarkers to predict conversion from amnestic mild cognitive impairment (aMCI) to Alzheimer's disease (AD) dementia within two years, for enriching clinical trial populations. Data from ...
Gurol M Edip ME Departmentsof Neurology, Massachusetts General Hospital, Boston, USA. - - 2012
We aimed to determine whether amyloid imaging can help predict the location and number of future hemorrhages in cerebral amyloid angiopathy (CAA). We performed a longitudinal cohort study of 11 patients with CAA without dementia who underwent serial brain MRIs after baseline amyloid imaging with Pittsburgh compound B (PiB). Mean ...
Qiu Lin - - 2012
Even with the recent advance in diagnostic tools and techniques, fever of unknown origin (FUO) remains a clinical challenge. A wide range of diseases, mainly infections, autoimmune conditions (inflammatory diseases), malignancies and miscellaneous can cause FUO. Positron emission tomography (PET) or positron emission tomography/computed tomography (PET/CT) scanning makes a great ...
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