Search Results
Results 201 - 250 of 892
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Xie Sheng - - 2009
OBJECTIVE: To identify the magnetic resonance (MR) features of a group of pediatric patients with Leigh syndrome (LS) caused by SURF1 gene 604G-->C mutation. MATERIALS AND METHODS: Eight cases with definite diagnosis of SURF1 gene 604G-->C mutation in our hospital were reviewed. Most cases presented typical symptoms in their infancy ...
Sharma Stuti - - 2009
The objective is to study a patient with sporadic Creutzfeldt-Jakob disease (CJD). The patient, a 70-year-old woman with a history spanning over 1 month, with acute onset, progressive abnormal behavior, and cognitive decline with generalized asymmetrical myoclonic jerking, startle phenomenon, and cortical blindness, was referred to the hospital. On observation ...
Mierzewska Hanna - - 2009
Adenylosuccinate lyase (ADSL) deficiency is an autosomal recessive disorder caused by mutation in the ADSL gene. The disease was identified in 1984 by Jaeken and van der Berghe as the first inborn defect of purine biosynthesis. Affected children revealed encephalopathy with epilepsy and marked psychomotor retardation. A neurological examination showed ...
Kozic Dusko - - 2009
BACKGROUND: Since magnetic resonance imaging (MRI) is a method of choice for establishing the correct diagnosis in a great majority of neurologic disorders, especially in detection the causes of seizures and both acute and slowly progressive neurologic disturbances, computerized tomography is becoming more frequently excluded from obligate spectrum of diagnostic ...
Suzuki Keisuke - - 2009
A 79-year-old, right-handed woman was admitted to the hospital with decreased spontaneity. Brain magnetic resonance imaging showed a left inferior capsular genu infarction. (99m) TC-ECD single-photon emission computed tomography revealed a left-dominant diffuse hypoperfusionin the basal ganglia and frontal lobe. The patient showed abulia and increased writing activity without motor ...
Hodnett P - - 2009
With increasing numbers of solid organ and hematopoietic stem cell transplantations being performed, there have been significant increases in the use of immunosuppressive agents such as cyclosporine and tacrolimus. Posterior reversible encephalopathy syndrome (PRES) is a serious complication of immunosuppressive therapy use following solid organ or stem cell transplants. Clinical ...
Chung Yun Jae - - 2008
Steroid-responsive encephalopathy associated with subacute thyroiditis has, to our knowledge, not been reported previously. A 49-year-old woman was found collapsed and brought to our institution with decreased mentality, dysarthria, and gait disturbance. Brain magnetic resonance imaging and angiography were normal but blood tests revealed thyroid-autoantibody-negative thyrotoxicosis. Results of a (99m)technetium-pertechnetate ...
Zuccoli G - - 2009
Wernicke encephalopathy (WE) is a severe neurologic disorder resulting from dietary vitamin B(1) deficiency. This study was undertaken to analyze and compare MR imaging findings and neurologic manifestations at clinical presentations of patients with WE with and without a history of alcohol abuse. WE patients were identified using diagnostic neurologic ...
Chen T-Y - - 2009
Although the combination of MR imaging findings and clinical evidence of hypertension may suggest the diagnosis of posterior reversible encephalopathy syndrome (PRES), MR imaging findings with only involvement of the medulla oblongata pose a diagnostic dilemma. In the cases presented here, we demonstrated MR imaging findings of a presumed brain ...
Wintermark Pia - - 2008
PURPOSE: To determine whether an early magnetic resonance imaging (MRI) study using perfusion-weighted imaging (PWI) may define the pattern of brain injury in term neonatal hypoxic-ischemic (HI) encephalopathy. MATERIALS AND METHODS: Five newborns with HI encephalopathy or a marker of perinatal depression, and 2 controls underwent an early MRI (at ...
Fukushima Kazuhiro - - 2008
Sweet disease, also known as acute febrile neutrophilic dermatosis, is an idiopathic multisystem inflammatory disorder characterised by erythematous skin lesions and fever. "Neuro-Sweet disease" is a rare central nervous system involvement that coexists with the characteristic cutaneous lesions of Sweet disease. Here, we report a case of Sweet disease complicated ...
Flegel Thomas - - 2008
The purpose of the study was to describe magnetic resonance (MR) imaging features of histologically confirmed necrotizing encephalitis in four Pugs and to compare those findings with MR imaging characteristics of necrotizing encephalitis in other breeds. All dogs had the following common findings: lesions restricted to the forebrain, both cerebral ...
Teefey Sharlene A - - 2008
OBJECTIVE: The purpose of this study was to analyze the sonographic appearance of a large series of pathologically proven ganglia. MATERIALS AND METHODS: A computer search of sonography and pathology reports for hand and wrist ganglia was performed. All sonography reports and images were reviewed for ganglion size, location, presence ...
Yi Sang-Hun - - 2008
The aim of this study was to investigate the relationship between clinical course and diffusion-weighted MRI (DWI) findings in sporadic Creutzfeldt-Jakob Disease (sCJD). We reviewed clinical records and MRI examination in nine probable sCJD. According to hyperintense signal distribution on DWI, the patients were classified into two groups with cortical ...
Das Kshaunish - - 2008
BACKGROUND: Hyperintense signals in the basal ganglia, namely the globus pallidus, have been reported on magnetic resonance imaging (MRI) in 70-100% of patients with cirrhosis of the liver. Deposition of paramagnetic substances, particularly manganese (Mn), has been reported to be responsible for these hyperintense signals. They are found in cirrhotics ...
Meissner B - - 2008
BACKGROUND AND PURPOSE: Hyperintense basal ganglia on MR imaging support the diagnosis of sporadic Creutzfeldt-Jakob disease (CJD). Our aim was to study the frequency of patients with sporadic CJD presenting with and without characteristic basal ganglia lesions on MR imaging and to examine the corresponding patient characteristics. MATERIALS AND METHODS: ...
Schmied Oliver - - 2008
The clinical, neuropathologic, and magnetic resonance (MR) imaging features in four cats with necrosis of the hippocampus and piriform lobe are described. All cats had acute generalized seizures and behavioral changes including aggression, salivation, polyphagia, and disorientation. Routine hematologic, serum chemistry, and cerebrospinal fluid analyses were normal. MR imaging abnormalities ...
Niwa T - - 2008
BACKGROUND AND PURPOSE: MR susceptibility-weighted imaging (SWI) is a highly sensitive technique for detection of hemorrhage, but its utility in the evaluation of children with laminar necrosis is not yet known. We assessed whether cortical laminar necrosis in pediatric patients contains hemorrhage on SWI. MATERIALS AND METHODS: "Cortical laminar necrosis" ...
Wang Xiaoyi - - 2008
INTRODUCTION: The purpose of this study was to evaluate the diagnostic value of conventional magnetic resonance imaging (MRI), proton magnetic resonance spectroscopy ((1)H-MRS), and diffusion-weighted imaging (DWI) for neonatal bilirubin encephalopathy. METHODS: We collected conventional MRI in 24 neonates with neonatal bilirubin encephalopathy. We performed (1)H-MRS and DWI sequences to ...
Desai Shrinivas - - 2008
BACKGROUND: Biotinidase deficiency is a metabolic disorder characterized by inability to recycle biotin with resultant delayed myelination. Clinical findings include seizures, ataxia, alopecia and dermatitis with atypical findings of myoclonic jerks, neuropathy and spastic paraparesis. Neuroradiological findings include cerebral atrophy, encephalopathy and widened extracerebral CSF spaces. Many of the clinical ...
Wintermark Pia - - 2008
PURPOSE: To illustrate the evolution of brain perfusion-weighted magnetic resonance imaging (PWI-MRI) in severe neonatal hypoxic-ischemic (HI) encephalopathy, and its possible relation to further neurodevelopmental outcome. MATERIALS AND METHODS: Two term neonates with HI encephalopathy underwent an early and a late MRI, including PWI. They were followed until eight months ...
Roos Raymond P - - 2008
BACKGROUND: Bickerstaff brainstem encephalitis (BBE) is a rare inflammatory, demyelinating disease that generally has a good prognosis. OBJECTIVE: To describe the course of a patient with severe BBE and multiple medical complications. DESIGN: Case report. SETTING: Academic medical center. PATIENT: An 81-year-old woman with BBE who fully recovered. The patient ...
Kim Ho Kyun - - 2008
INTRODUCTION: The purpose of this study was to evaluate the clinical features and the characteristics of MR images of patients with end-stage hepatic failure. METHODS: We reviewed the MR findings and clinical features of 31 consecutive patients (20 men, 11 women=31, mean age 58.7 years) who had been diagnosed with ...
Bartynski W S - - 2008
Posterior reversible encephalopathy syndrome (PRES) is a neurotoxic state accompanied by a unique brain imaging pattern typically associated with a number of complex clinical conditions including: preeclampsia/eclampsia, allogeneic bone marrow transplantation, solid organ transplantation, autoimmune diseases and high dose cancer chemotherapy. The mechanism behind the developing vasogenic edema and CT ...
Di Martino A - - 2008
Classically regarded as motor structures, the basal ganglia subserve a wide range of functions, including motor, cognitive, motivational, and emotional processes. Consistent with this broad-reaching involvement in brain function, basal ganglia dysfunction has been implicated in numerous neurological and psychiatric disorders. Despite recent advances in human neuroimaging, models of basal ...
Tada H - - 2008
Acute encephalopathy with biphasic seizures and late reduced diffusion (AESD) is clinically characterized by biphasic seizures on days 1, and 4 to 6; radiologically by no acute abnormality is visible during the first two days, while reduced diffusion in the subcortical white matter is seen during days 3 to 9, ...
Kalita J - - 2008
A 60-year-old male with chronic lymphatic leukemia (CLL) after 6 months of fludarabine therapy was admitted with status epilepticus and developed left hemiplegia. His magnetic resonance imaging revealed multiple T2 hyperintense lesions in the right frontal and left parieto-occipital lesion, simulating progressive multifocal leucoencephalopathy (PML). Cerebrospinal fluid Polymerase Chain Reaction ...
Bartynski W S - - 2008
Posterior reversible encephalopathy syndrome (PRES) is a neurotoxic state coupled with a unique CT or MR imaging appearance. Recognized in the setting of a number of complex conditions (preeclampsia/eclampsia, allogeneic bone marrow transplantation, organ transplantation, autoimmune disease and high dose chemotherapy) the imaging, clinical and laboratory features of this toxic ...
Prietsch V - - 2008
Fucosidosis is a rare autosomal recessive lysosomal storage disease, resulting from a deficiency of alpha- L-fucosidase. We report on the clinical and MRI findings of a girl with this disorder. Developmental delay became obvious at an age between 6 and 12 months. Cranial MRI at 16 months revealed severe global ...
Wada Ryan - - 2008
Prions are a rare cause of human disease but very important to recognize because of their potential for transmissibility and uniformly severe outcome. MR imaging plays an extremely important role in early diagnosis, especially with diffusion-weighted and fluid-attenuated inversion recovery images, which are the most sensitive for depicting prion-induced brain ...
Rathakrishnan Rahul - - 2008
Wernicke's encephalopathy (WE) is a potentially reversible disorder. It is often not considered in non-alcoholic patients unless MRI demonstrates lesions in the appropriate sites. However, specific MRI sequences only highlight some areas of abnormality and hence WE may not be considered unless a more complete study is performed and this ...
Bock Nicholas A - - 2008
Manganese overexposure in non-human primates and humans causes a neurodegenerative disorder called manganism thought to be related to an accumulation of the metal in the basal ganglia. Here, we assess changes in the concentration of manganese in regions of the brain of a non-human primate (the common marmoset, Callithrix jacchus) ...
Gkrania-Klotsas Effrossyni - - 2008
Herpes simplex encephalitis is a potentially lethal infection that should be recognised as soon as possible. The combination of clinical history and examination, brain computed tomography or magnetic resonance imaging and lumbar puncture has been used to establish a diagnosis. We present a patient who had a suggestive history but ...
Titlic M - - 2008
We report a 46-years-old man with idiopathic hypoparathyroidism who presented with gradually cognitive impairment and generalized tonic clonic epilepsy. Computed tomography (CT) and magnetic resonance imaging (MRI) of brain showed calcification in the basal ganglia, thalamus and cerebral white matter. Calcium level was low and phosphor was increased in serum, ...
de Oliveira Rodrigo Alves - - 2008
BACKGROUND: Posterior reversible encephalopathy syndrome (PRES) is characterized by abnormalities in cerebral white matter and neurologic symptoms. It can be caused by immunosuppressive drugs or autoimmune diseases. We describe a case of PRES in a patient with collapsing focal glomeruloesclerosis (collapsing FGS) with complete recovery after withdrawal of cyclosporine (CSA). ...
Gavarini S - - 2008
AIMS: To study stereotactic magnetic resonance imaging (MRI) features of the basal ganglia in DYT1 primary dystonia. METHODS: Twenty-five genetically confirmed DYT1 dystonia patients (age range, 8-66 years; mean age, 22 years) underwent brain MRI under general anesthesia at the time of globus pallidus internus (GPi) deep brain stimulation (DBS) ...
Hama Kiwa - - 2008
We describe a patient with mesial temporal T2-weighted image hyperintensity on magnetic resonance imaging that mimicked paraneoplastic limbic encephalitis. The patient showed pupillary abnormalities suggestive of a diagnosis of neurosyphilis, and the diagnosis was supported by the results of a serum Treponema pallidum hemagglutination assay (TPHA) and cerebrospinal fluid examination. ...
Nikas Ioannis - - 2008
Hypoxic-ischemic brain injury is a very important neurological problem of the perinatal period and a major cause of chronic disability later in childhood. The subsequent neurological deficits are a variety of motor defects-especially spasticity but also choreoathetosis, dystonia and ataxia, often grouped together as "cerebral palsy," mental retardation, and seizures. ...
Brass Steven D - - 2007
Pregnancy can precipitate new neurological diseases as a result of the alterations in physiology that accompany the pregnant state. The pregnant patient presenting with neurological problems poses both diagnostic and therapeutic challenges, often forcing the clinician to rely on neuroimaging as part of the workup. This review discusses potential risks ...
Reuter Matthew D - - 2007
An 85-year-old immunocompetent man was hospitalized following the development of increasing confusion and intermittent disorientation over a 48-hour period. Within 48 hours of hospitalization, he was oriented to person only and was unable to follow commands. There were no focal neurologic deficits. Magnetic resonance imaging of the brain showed extensive ...
Longo Daniela - - 2008
Citrullinaemia is a rare inborn error of urea cycle metabolism. We describe the MRI findings in a 16-year-old boy with type I citrullinaemia during an episode of acute hyperammonaemic encephalopathy and compare them to his previous follow-up MRI studies. MRI revealed bilateral high signal intensity in the cingulate, perirolandic, parietal ...
Zuccoli Giulio - - 2008
Wernicke's encephalopathy (WE) is a severe neurological disorder caused by a dietary deficiency of Vitamin B1 and characterized by consciousness changes, ocular abnormalities, and ataxia. Wernicke's encephalopathy is considered a medical emergency and treatment consists of intravenous thiamine administration. Typically in alcoholic and nonalcoholic patients magnetic resonance shows alterations in ...
Lee Eun Ja - - 2007
METHODS: We studied four patients with diabetes mellitus and chronic renal failure who developed sudden choreic movement disorders. The clinical manifestations, laboratory findings, MR imaging findings, and clinical outcome in each patient were evaluated. RESULTS: All four patients had long-term diabetes mellitus and severe azotaemia. Brain MR findings consisted of ...
McKinney Alexander M - - 2007
OBJECTIVE: Posterior reversible encephalopathy syndrome (PRES) is classically characterized as symmetric parietooccipital edema but may occur in other distributions with varying imaging appearances. This study determines the incidence of atypical and typical regions of involvement and unusual imaging manifestations. MATERIALS AND METHODS: Seventy-six patients were eventually included as having confirmed ...
Chuang Chieh-Sen - - 2007
Abnormal magnetic resonance spectroscopic (MRS) signals in the basal ganglia may be one of the characteristics in mitochondrial disease. We report MRS study in a family with myoclonic epilepsy with ragged-red fibers (MERRF). Their MRS studies over the basal ganglia revealed decreased N-acetylaspartate/creatine ratio and increased choline/creatine ratio in the ...
Taylor Sean W - - 2007
The authors report a patient with herpes simplex encephalitis who presented with magnetic resonance imaging (MRI) lesions exclusively in the frontal lobes, including the bilateral anterior cingulate gyri. She is making a good recovery after therapy with intravenous acyclovir. A similar presentation with a fatal outcome was previously reported by ...
Shin Min-Kyung - - 2007
Only a few reports have focused on ocular motor paralysis in herpes zoster ophthalmicus. We report a case of ocular motor paralysis resulting from herpes zoster. The patient, an 80-yr-old woman, presented with grouped vesicles, papules, and crusting in the left temporal area and scalp, with diplopia, impaired gaze, and ...
Azmat Zeeshan - - 2007
Wernicke's encephalopathy (WE) is a disease usually related to chronic alcoholism. The clinical diagnosis is often difficult to establish. MR imaging is a highly sensitive method for detecting lesions associated with Wernicke's encephalopathy. We report a case of atypical manifestation of hyperintense lesions on magnetic resonance imaging (MRI) in a ...
Sugiura Makoto - - 2008
A 51-year-old man had progressive hearing loss over more than 15 years. He had bilateral sensorineural hearing loss (SNHL). Computed tomography (CT) showed extensive bilateral demineralization of the cochlear capsule, which is characteristic of diffuse cochlear otosclerosis. Three-dimensional fluid-attenuated inversion recovery (3D-FLAIR) of magnetic resonance imaging before enhancement revealed high ...
Mínguez B - - 2007
MR imaging has found abnormalities compatible with low-grade edema in the brain of patients with cirrhosis that have been related to hepatic encephalopathy. We present 3 patients with hepatic encephalopathy who exhibit supratentorial focal or diffuse white matter lesions compatible with small-vessel brain disease. The volume and number of white ...
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