Search Results
Results 101 - 150 of 943
1 2 3 4 5 6 7 8 9 10 >
Seiler Gabriela S - - 2012
Single-shot turbo spin-echo sequences are heavily T2-weighted sequences that are exceptionally well suited to evaluate the subarachnoid space. In the T2-weighted fast spin-echo sequences that are used routinely in spinal magnetic resonance (MR) imaging, the subarachnoid space is not well differentiated from the surrounding epidural fat, which could lead to ...
Makis William - - 2012
The purpose of this article is to illustrate a wide spectrum of malignant primary and secondary pleural and pericardial diseases imaged with (18)F-FDG PET/CT. A wide variety of malignant pleural and pericardial diseases can be detected, staged, and monitored by FDG PET/CT. Although the PET/CT findings are often nonspecific, the ...
Zaki Faizah Mohd - - 2012
Neonatal onset multisystem inflammatory disease (NOMID) is a rare autoinflammatory disorder, which manifests early in infancy. We describe a case of a 10-year-old boy who has been unwell since infancy. He presented with urticarial rash, intermittent fever and hepatosplenomegaly followed by progressive arthropathy. His joint symptoms started at two years ...
Chiang G C GC Center for Imaging of Neurodegenerative Diseases, Department of Veteran Affairs Medical Center, San Francisco, California, USA. - - 2012
The basis for decreased vulnerability to AD among apoE ε2 carriers is unknown. The purpose of this study was to use diffusion tensor imaging to detect possible differences in white matter integrity between cognitively normal elderly apoE ε2 carriers and apoE ε3/ε3 controls. Thirty-nine cognitively normal elderly individuals (19 heterozygous ...
Pecot Chad V CV Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, - - 2012
Current management of lung nodules is complicated by nontherapeutic resections and missed chances for cure. We hypothesized that a serum proteomic signature may add diagnostic information beyond that provided by combined clinical and radiographic data. Cohort A included 265 and cohort B 114 patients. Using multivariable logistic regression analysis we ...
Srinivasan Vasisht - - 2012
Calcium pyrophosphate dihydrate deposition disease (CPDD, tophaceous pseudogout) is a rare crystal arthropathy characterized by pyrophosphate crystal deposition in joints, synovitis and chondrocalcinosis on imaging. We present the case of a 72-year-old man with 6 months of left chest pain; magnetic resonance imaging revealed a T9/T10 herniated disc. Intraoperatively, the ...
Zhu Minwei M Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, - - 2012
Magnetic resonance imaging (MRI) studies reveal that atrophy of the corpus callosum (CC) is involved in early Alzheimer's disease (AD). The aim of this study was to investigate when and how callosal changes occur in the early course of AD. The Open Access Series of Imaging Studies data sets were ...
Adachi Michito - - 2012
INTRODUCTION: The aim of this study was to investigate whether the outline of the hippocampal body becomes rounded on coronal magnetic resonance imaging (MRI) as the volume of the hippocampal formation decreases in Alzheimer's disease (AD). METHODS: Institutional review board approval of the study protocol was obtained, and all subjects ...
Sussmann A Ross - - 2012
The role of magnetic resonance imaging in evaluating shoulder arthropathies is evolving. This article reviews 4 of the major arthropathies: septic arthritis, rheumatoid arthritis, calcium pyrophosphate dihydrate (CPPD) deposition disease, and hydroxyapatite disease (HAD), with special attention to their magnetic resonance imaging features. Comfort with identifying these entities allows appropriate ...
Tuite Michael J - - 2012
Magnetic resonance (MR) imaging plays a major role in helping to identify rotator cuff disease and in demonstrating the pathology associated with external impingement. Many surgeons rely on MR imaging to assist in decision making and presurgical planning for patients with rotator cuff pain. This article reviews the etiology of ...
Clerx Lies - - 2012
The aim of the present study is to evaluate the diagnostic value of diffusion tensor imaging (DTI) for early Alzheimer's disease (AD) in comparison to widely accepted medial temporal lobe (MTL) atrophy measurements. A systematic literature research was performed into DTI and MTL atrophy in AD and mild cognitive impairment ...
Chen Kewei - - 2012
We previously introduced a voxel-based, multi-modal application of the partial least square algorithm (MMPLS) to characterize the linkage between patterns in a person's complementary complex datasets without the need to correct for multiple regional comparisons. Here we used it to demonstrate a strong correlation between MMPLS scores to characterize the ...
Shiino Akihiko - - 2012
Alzheimer's disease (AD) and subcortical ischemic vascular dementia (SIVD) have overlapping pathologies and risk factors, but their underlying neurodegenerative mechanisms are basically different. We performed magnetic resonance spectroscopy (MRS) to study metabolite differences between the two diseases in vivo. The subjects were 31 patients with SIVD and 99 with AD. ...
Azizi L - - 2012
MRCP is a non-invasive cholangiographic technique used in detection and characterization of bile ducts abnormalities. MRCP features of primary sclerosing cholangitis are randomly distributed annular strictures alternating with slightly dilated bile ducts. Secondary sclerosing processes including ascending, ischemic, caustic, AIDS-related, eosinophilic and autoimmune cholangitis can mimic PSC at MRCP.
Chételat G - - 2012
OBJECTIVE:Given the recent and growing interest in the concepts of prodromal and presymptomatic Alzheimer disease, it is crucial to determine whether the presence of β-amyloid (Aβ) in the brain of asymptomatic elderly individuals is a pathologic condition associated with accelerated neuronal and synaptic loss. The aim of the present study ...
Machida Kazuko - - 2012
We examined histopathological changes in cerebrovascular amyloid deposition in a patient with cerebral amyloid angiopathy receiving corticosteroid therapy. A 69-year-old female developed subacute onset cognitive decline, and magnetic resonance image (MRI) showed subarachnoid hemorrhage with leptomeningeal enhancement. She entered in an apathetic state due to communicating hydrocephalus and a ventricle-peritoneal ...
Warr L - - 2012
Dementia with Lewy bodies (DLB) may account for up to 30% of all dementia cases. The symptoms of DLB can be difficult to disentangle from other dementia subtypes, particularly Alzheimer's disease (AD). AD and DLB pathologies often overlap within individuals. Like DLB, Parkinson's disease dementia (PDD) also shares common features ...
Kwon Dae-Hyuk - - 2012
To investigate anatomical changes in the substantia nigra (SN) of Parkinson disease (PD) patients with age-matched controls by using ultra-high field magnetic resonance imaging (MRI). We performed 7T MRI in 10 PD and 10 age-matched control subjects. Magnetic resonance images of the SN were obtained from a 3-dimensional (3D) T(2) ...
Polat F Fatma - - 2012
In this study, we aimed to classify MR images for recognizing Alzheimer Disease (AD) in a group of patients who were recently diagnosed by clinical history and neuropsychiatric exams by using non-biased machine-learning techniques. T1 weighted MRI scans of 31 patients with probable AD and 31 age- and gender-matched cognitively ...
Wolk David A - - 2012
With the potential emergence of disease specific therapies, an accurate biomarker of Alzheimer's Disease pathology is needed in cases in which the underlying etiology is uncertain. We explored the potential value of amyloid imaging in patients with atypical presentations of dementia. Twenty-eight patients with atypical dementia underwent positron emission tomography ...
Tsukamoto Kazumichi - - 2012
INTRODUCTION: The clinical differentiation of Parkinson's disease (PD) from multiple system atrophy (MSA) and progressive supranuclear palsy (PSP) may be challenging, especially in their early stages. The aim of this study was to evaluate the utility of apparent diffusion coefficient (ADC) measurement to distinguish among these degenerative disorders. METHODS: Twenty-five ...
Makowski Marcus R - - 2012
OBJECTIVE: Molecular magnetic resonance imaging (MRI) has emerged as a promising non-invasive modality to characterize atherosclerotic vessel wall changes on a morphological and molecular level. Intraplaque and endothelial fibrin has recently been recognized to play an important role in the progression of atherosclerosis. This study aimed to investigate the feasibility ...
Thompson Paul M - - 2012
This chapter will discuss two of the most widely used approaches to assessing brain structure: neuroimaging and neuropathology. Whereas neuropathologic approaches to studying the central nervous system have been utilized for many decades and have provided insights into morphologic correlates of dementia for over 100 years, accurate structural imaging techniques ...
Ujifuku Kenta - - 2012
A 63-year-old woman presented with right hearing disturbance and vertigo. Magnetic resonance (MR) imaging revealed the presence of right vestibular schwannoma (VS). Stereotactic radiosurgery (SRS) was performed with a tumor marginal dose of 14 Gy using two isocenters. She was followed up clinically and neuroradiologically using three-dimensional spoiled gradient-echo MR ...
Liporace Frank A - - 2012
Computed tomography (CT) has been deemed a necessary part of management for Tillaux and triplane pediatric ankle fractures. However, no previously published study has attempted to quantify its usefulness in changing management. Six third-party, blinded orthopedic surgeons (F.A.L., E.N.K., D.M.P., K.J.K., D.S.F., K.A.E.) were randomly assigned to evaluate 24 pediatric ...
Verma Amit Kumar - - 2012
Fibrodysplasia ossificans progressiva (FOP) is a rare, disabling connective tissue disorder of unknown aetiology. Its occurrence is usually sporadic but may be an inherited autosomal-dominant condition with wide range of expression. FOP is characterised by congenital malformations of the great toes and abnormal progressive heterotopic ossification of striated muscles, tendons, ...
Hokari Masaaki - - 2012
Crossed cerebellar diaschisis (CCD) often occurs after ischemic or hemorrhagic stroke that damages the cortico-ponto-cerebellar pathway. However, CCD due to cerebral hyperperfusion following cerebrovascular reconstruction is rare. A 61-year-old woman presented with transient CCD due to cerebral hyperperfusion following bypass surgery for adult moyamoya disease. She developed transient weakness of ...
Kang Min-Soo - - 2012
A 79-year-old woman developed neurological deficits 6 weeks after the onset of a thoracic osteoporotic compression fracture. Magnetic resonance (MR) imaging of the thoracic spine revealed an epidural hematoma at the T10-L2 levels. Acute decompressive laminectomy and percutaneous vertebroplasty were performed. Following the surgery, the patient's neurologic deficits improved and ...
Paparo F - - 2012
Gout, calcium pyrophosphate dihydrate (CPPD) deposition disease, and calcium hydroxyapatite deposition disease (HADD) are the three most common crystal-induced arthropathies. Multimodality imaging may help in their diagnosis, and is useful for a precise and comprehensive assessment and grading of the related osteoarticular damage. Plain film radiography, due to its low ...
Baker John G - - 2012
Cerebral small vessel disease, a leading cause of cognitive decline, is considered a relatively homogeneous disease process, and it can co-occur with Alzheimer's disease. Clinical reports of magnetic resonance imaging (MRI)/computed tomography and single photon emission computed tomography (SPECT) imaging and neuropsychology testing for a small pilot sample of 14 ...
Bekiesińska-Figatowska Monika - - 2012
Creutzfeldt-Jakob disease (CJD) is a rare progressive neurodegenerative disorder, caused by the deposition of the pathological isoform of prion protein PrPsc in the central nervous system. The classic triad of symptoms consists of: rapidly progressive dementia, myoclonus and typical electroencephalographic findings (intermittent rhythmic delta activity and periodic sharp wave complexes). ...
Singh Paramdeep - - 2012
Pantothenate kinase-2-associated neurodegeneration (PKAN) is a rare autosomal recessive pediatric neurodegenerative disorder characterized by rigidity, dystonia, impaired postural reflexes, and progressive dementia. On T2-weighted magnetic resonance imaging images, marked low signal intensity is seen in the globus pallidus. This low signal intensity surrounds a central region of high signal intensity ...
Brauer Carsten - - 2012
In pigs, diseases of the respiratory tract like pleuropneumonia due to Actinobacillus pleuropneumoniae (App) infection have led to high economic losses for decades. Further research on disease pathogenesis, pathogen-host-interactions and new prophylactic and therapeutic approaches are needed. In most studies, a large number of experimental animals are required to assess ...
Orton Richard J - - 2012
Livestock movements in Great Britain are well recorded, have been extensively analysed with respect to their role in disease spread, and have been used in real time to advise governments on the control of infectious diseases. Typically, livestock holdings are treated as distinct entities that must observe movement standstills upon ...
Biasutti Maria - - 2012
Used as contrast agents for brain magnetic resonance imaging (MRI), markers for beta-amyloid deposits might allow early diagnosis of Alzheimer's disease (AD). We evaluated the cost-effectiveness of such a diagnostic test, MRI+CLP (contrastophore-linker-pharmacophore), should it become clinically available. We compared the cost-effectiveness of MRI+CLP to that of standard diagnosis using ...
Zhang Ningnannan - - 2012
Several structural brain changes have been associated with Alzheimer's disease (AD). This study investigated the prediction of AD by combining multiple brain changes with the hallmark medial temporal lobe atrophy (MTA). High-resolution magnetic resonance imaging (MRI) data of people with mild AD (n = 39), mild cognitive impairment (MCI; n ...
Beynon Rebecca - - 2012
Identification of causes of dementia soon after symptom onset is important, because appropriate treatment of some causes of dementia can slow or halt its progression or enable symptomatic treatment where appropriate. The accuracy of MRI and CT, and whether MRI is superior to CT, in detecting a vascular component to ...
Bendlin Barbara B BB Geriatric Research, Education and Clinical Center (GRECC), William S. Middleton Memorial Veteran's Hospital, Madison, Wisconsin, United States of America. - - 2012
Cerebrospinal fluid (CSF) biomarkers T-Tau and Aβ(42) are linked with Alzheimer's disease (AD), yet little is known about the relationship between CSF biomarkers and structural brain alteration in healthy adults. In this study we examined the extent to which AD biomarkers measured in CSF predict brain microstructure indexed by diffusion ...
Thurfjell Lennart L GE Healthcare, Uppsala, Sweden. - - 2012
The New National Institute on Aging-Alzheimer's Association diagnostic guidelines for Alzheimer's disease (AD) incorporate biomarkers in the diagnostic criteria and suggest division of biomarkers into two categories: Aβ accumulation and neuronal degeneration or injury. It was the aim of this study to compute hippocampus volume from MRI and a neocortical ...
Gasch E G EG Clinique Vétérinaire du Dr. Bardet, Neuilly-sur-Seine, France. - - 2012
The purpose of this study was to describe computed tomography (CT) features of the ununited anconeal process and relate them with the following elbow dysplasia signs: medial coronoid disease, medial humeral condyle changes, osteoarthritis (OA), and radioulnar incongruence. Computed tomographic images of dogs older than six months with an ununited ...
Jung Dong-In - - 2011
A 4-year-old intact female Pekingese dog was presented with ataxia and seizure episodes. Based on magnetic resonance imaging and cerebrospinal fluid analysis results, meningoencephalitis of unknown etiology was suspected. The present case was survived for 1,096 days under cyclosporine plus prednisolone therapy and definitely diagnosed to necrotizing meningoencephalitis. This report ...
Kluge Stefan - - 2011
PURPOSE: (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET) combined with computed tomography (CT) is a promising new tool for the identification of infectious foci. The aim of our work was to evaluate the diagnostic value of FDG-PET/CT in critically ill patients with septic shock of unknown origin. METHODS: We performed a ...
Kanki Akihiko - - 2011
The objective of our study was to investigate the value of dynamic contrast-enhanced CT (DCE-CT) findings in predicting the clinical prognosis of patients with hypovolemic shock. This study included 33 patients with hypovolemic shock who underwent DCE-CT of the abdomen due to trauma. The CT attenuation values of several abdominal ...
Peebles C R - - 2011
Imaging of patients with suspected or known pericardial disease remains challenging. Echocardiography is the first-line investigation for pericardial disease but it has specific limitations in terms of its abilities to visualise the pericardium fully and to identify extracardiac pathology. Cardiac cross-sectional imaging by both MRI and CT has developed significantly ...
Takeshima Yasuhiro - - 2012
Destructive spondyloarthropathy may occur in long-term hemodialysis patients, but focal amyloid deposits in the spine are rare. We present a case of upper cervical extradural amyloidoma with a history of long-term hemodialysis presenting with progressive and intractable radiculopathy. We describe a 51-year-old female with a long-term history of hemodialysis treatment. ...
Clark David Glenn - - 2011
Alzheimer disease (AD) is an increasingly prevalent neurodegenerative condition and a looming socioeconomic threat. A biomarker for the disease could make the process of diagnosis easier and more accurate, and accelerate drug discovery. The current work describes a method for scoring brain images that is inspired by fundamental principles from ...
Kim Jang Il - - 2011
A thermosensitive/magnetic poly(organophosphazene) hydrogel (a magnetic hydrogel) was designed and synthesized for long-term magnetic resonance (MR) imaging. To turn a thermosensitive poly(organophosphazene) hydrogel (an original hydrogel) into a long-term MR contrast platform, cobalt ferrite (CoFe(2)O(4)) nanoparticles, which have hydrophobic surfaces, were bound to the original hydrogel via interactions between the ...
Goldberg E M - - 2011
A previously healthy 9-year-old girl presented to an emergency department (ED) with headache, dizziness, blurry vision, and abnormal visual perceptions. She was diagnosed with migraine, treated symptomatically, and discharged. Over the course of days, she became progressively somnolent, and returned to the ED, where she was found to have a ...
Glass Hannah C HC Department of Neurology, University of California San Francisco, San Francisco, CA, - - 2011
To describe the association between electrographically detected seizures and brain injury evaluated by magnetic resonance imaging in newborns treated with hypothermia. A total of 56 newborns treated with hypothermia were monitored using video electroencephalography through cooling and rewarming, and then imaged at a median of 5 days. The electroencephalograms were ...
Pawłowska Emilia - - 2011
Peyronie's disease (PD) is characterized by the formation of fibrous tissue plaques within the tunica albuginea, usually causing a penile deformity and a subsequent erectile dysfunction. Diagnosis of PD is based on medical and sexual history, physical examination and imaging examinations, i.e.: ultrasound, color Doppler ultrasound, magnetic resonance and X-ray ...
1 2 3 4 5 6 7 8 9 10 >