Magnetic resonance imaging and angiography of the brain in embolic left atrial myxoma.

abstract：INTRODUCTION:Diffusion-weighted imaging (DWI) studies focusing on apparent diffusion coefficient (ADC) abnormalities have provided conflicting results about the nature and fate of perihematomal edema. METHODS:We investigated 35 patients with supratentorial spontaneous intracerebral hemorrhage (SICH) by using DWI scann...

journal_title：Neuroradiology

authors： Fainardi E,Borrelli M,Saletti A,Sarubbo S,Roversi G,Bernardoni A,Latini F,Azzini C,Borgatti L,De Vito A,Cavallo M,Ceruti S,Chieregato A

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:Wide-neck bifurcation intracranial aneurysms (WNBA) with a branch incorporated in the aneurysm base remain difficult to treat by embolization. We aim to report our long-term follow-up of stent-assisted coiling (SAC) in this subgroup of patients. METHODS:This study was approved by our local ethical committee. A...

journal_title：Neuroradiology

authors： Lubicz B,Morais R,Bruyère PJ,Ligot N,Mine B

更新日期：2017-06-01 00:00:00

abstract：:Single-voxel proton magnetic resonance spectroscopy (1H-MRS), localised to the basal ganglia, was used to determine changes in metabolite levels in idiopathic spasmodic torticollis (IST). We examined nine patients and 13 healthy subjects. The mean values (+/- SD) of peak area ratios were: IST: N-acetyl-aspartate (NAA)...

journal_title：Neuroradiology

authors： Federico F,Lucivero V,Simone IL,Defazio G,De Salvia R,Mezzapesa DM,Petruzzellis M,Tortorella C,Livrea P

更新日期：2001-07-01 00:00:00

abstract：INTRODUCTION:Intracranial developmental venous anomalies (DVAs) are considered benign vascular dispositions; they are asymptomatic in the vast majority of cases. They represent extreme variations of the venous drainage and may rarely be responsible for focal venous ischemia leading to neurological dysfunction. The aim ...

journal_title：Neuroradiology

authors： Roccatagliata L,van den Berg R,Soderman M,Boulin A,Condette-Auliac S,Rodesch G

更新日期：2012-05-01 00:00:00

abstract：:A new technique for surgical construction of experimental lateral saccular aneurysms on the common carotid artery of swine is described. It involves end-to-side suturing of an isolated segment of vein to an artery. During a short period of parent artery clamping, an elliptical arteriotomy is fashioned through the open...

journal_title：Neuroradiology

authors： Guglielmi G,Ji C,Massoud TF,Kurata A,Lownie SP,Viñuela F,Robert J

更新日期：1994-10-01 00:00:00

abstract：PURPOSE:In mechanical thrombectomy (MT) for ischemic stroke, endothelial cells (ECs) from intracranial blood vessels adhere to the stent retriever device and can be harvested. However, understanding the molecular biology and the role of the endothelium in different pathological conditions remains insufficient. The purp...

journal_title：Neuroradiology

authors： Jaff N,Grankvist R,Muhl L,Chireh A,Sandell M,Jonsson S,Arnberg F,Eriksson U,Holmin S

更新日期：2018-07-01 00:00:00

abstract：:Diffusion-weighted MRI (DWI) is extremely sensitive to motion of the object being examined. Pulse triggering and navigator echo correction are methods for reducing motion artefacts which can be combined with conventional DWI sequences. Implementation of these methods in imaging sequences with a readout of one, three, ...

journal_title：Neuroradiology

authors： Dietrich O,Heiland S,Benner T,Sartor K

更新日期：2000-02-01 00:00:00

abstract：:The authors describe their technique of intravenous digital subtraction angiography (IVDSA) and discuss the results in cerebral infarcts. IVDSA is a good first stage examination for the recognition of stenosis or occlusion of cervical vessels to the brain, as it is an only marginally invasive and easy technique. It is...

journal_title：Neuroradiology

authors： Thiebot J,Clavier E

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:Diffusion tensor imaging (DTI) has shown promise in the measurement of peripheral nerve integrity, although the optimal way to apply the technique for the study of lumbar spinal nerves is unclear. The aims of this study are to use an improved DTI acquisition to investigate lumbar nerve root integrity and correl...

journal_title：Neuroradiology

authors： Chiou SY,Hellyer PJ,Sharp DJ,Newbould RD,Patel MC,Strutton PH

更新日期：2017-09-01 00:00:00

abstract：:Diffusion tensor MR imaging (DTI) provides information on diffusion anisotropy, which can be expressed with three-dimensional (3D) white matter tractography. We used 3D white matter tractography to show the corticospinal tract in eight patients with acute or early subacute ischaemic stroke involving the posterior limb...

journal_title：Neuroradiology

authors： Kunimatsu A,Aoki S,Masutani Y,Abe O,Mori H,Ohtomo K

更新日期：2003-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the potentialities of a semi-automated technique in the detection and measurement of the carotid artery plaque. METHODS:Twenty-two consecutive patients (18 males, 4 females; mean age 62 years) examined with MDCTA from January 2011 to March 2011 were included in th...

journal_title：Neuroradiology

authors： Saba L,Gao H,Acharya UR,Sannia S,Ledda G,Suri JS

更新日期：2012-11-01 00:00:00

abstract：:We studied nine cases of Wilson's disease on CT scan. In all patients we found cerebral atrophy. In five patients without neurological symptoms we found no specific signs. In the four patients with neurological symptoms we found lenticular caudate nucleus or thalamic areas of hypodensity. ...

journal_title：Neuroradiology

authors： Merland JJ,Chiras J,Melki JP,Cassan JL

更新日期：1978-01-01 00:00:00

abstract：:Diffusion-tensor analysis allows quantitative assessment of diffusion anisotropy. Fractional anisotropy (FA) is commonly used to quantify anisotropy. One of the limitations of FA imaging is, however, that it does not contain information about the directionality of anisotropy and it is therefore difficult to identify w...

journal_title：Neuroradiology

authors： Murata T,Higano S,Tamura H,Mugikura S,Takahashi S

更新日期：2002-10-01 00:00:00

abstract：PURPOSE:The aim of our study was to evaluate the postmortem micro-CT anatomy of early fetal human fetal brains, either in situ or isolated. METHODS:We studied 12 ex vivo specimens, 9 whole human fetuses (9-18 GW), and 3 isolated samples (16-26 GW). Specimens were fixed in formalin, then immersed in Lugol solution. Ima...

journal_title：Neuroradiology

authors： Lombardi S,Scola E,Ippolito D,Zambelli V,Botta G,Cuttin S,Triulzi F,Lombardi CM

更新日期：2019-07-01 00:00:00

abstract：PURPOSE:Recently, multiple randomised controlled trials showed efficacy of endovascular treatment over traditional care in patients with acute ischemic stroke due to an intracranial anterior circulation occlusion. Internal carotid artery (ICA) dissection with a concomitant intracranial occlusion is a rare but important...

journal_title：Neuroradiology

authors： Hoving JW,Marquering HA,Majoie CBLM

更新日期：2017-07-01 00:00:00

abstract：:Our purpose was to investigate the role of diffusion imaging (DI) in central nervous system (CNS) infections in pediatric patients. It was anticipated that DI would be more sensitive than conventional MRI in the detection of the infarctive complications of infection, and possibly, in the detection of the infectious pr...

journal_title：Neuroradiology

authors： Teixeira J,Zimmerman RA,Haselgrove JC,Bilaniuk LT,Hunter JV

更新日期：2001-12-01 00:00:00

abstract：PURPOSE:Although involvement of the osseous component with an anterior condylar dural arteriovenous fistula (AC-DAVF) has been frequently described, osseous venous structures in which AC-DAVFs develop have not been fully elucidated. We investigated osseous venous structures adjacent to the hypoglossal canal in normal c...

journal_title：Neuroradiology

authors： Mizutani K,Akiyama T,Minami Y,Toda M,Fujiwara H,Jinzaki M,Yoshida K

更新日期：2018-05-01 00:00:00

abstract：:We examined 25 patients with recurrent pain after lumbar disk surgery with MRI to evaluate the usefulness of gadolinium (Gd)-enhanced fat-suppression (FS) imaging in patients with failed back surgery. Pulse sequences included T1-weighted (T1W) images, Gd-enhanced T1W images, and Gd-enhanced T1W images with FS. The add...

journal_title：Neuroradiology

authors： Georgy BA,Hesselink JR,Middleton MS

更新日期：1995-01-01 00:00:00

abstract：:Since November 1988, 28 patients with lumbar L5 radiculopathy refractory to conservative care and with a radiologically verified central or mediolateral disc herniation at the level of L4/L5 had had a percutaneous discectomy. Radiological verification consisted of spinal CT +/- myelography, +/- myelo-CT, +/- MRI. A sh...

journal_title：Neuroradiology

authors： Faubert C,Caspar W

更新日期：1991-01-01 00:00:00

abstract：INTRODUCTION:Not uncommonly, differentiating multiple sclerosis (MS) from ischemic cerebral vascular disease is difficult based on conventional magnetic resonance imaging (MRI). We aim to determine whether preferential occult injury in the normal-appearing corpus callosum (NACC) is more severe in patients with MS than ...

journal_title：Neuroradiology

authors： Lou X,Jiang W,Ma L,Ma N,Cai Y,Huang D,Wong EH

更新日期：2009-09-01 00:00:00

abstract：:We monitored 10 patients with unresected (9) or partially resected (1) supratentorial gliomas with 11C-tyrosine position emission tomography (TYR-PET) before and after radiotherapy. TYR-PET tumour volumes were measured using a threshold technique. In seven patients the tumour volume decreased after radiotherapy, altho...

journal_title：Neuroradiology

authors： Heesters MA,Go KG,Kamman RL,Mooyaart EL,Meertens H,Paans AM,Pruim J

更新日期：1998-02-01 00:00:00

abstract：:Neoplastic disease of the nose and paranasal sinuses, the nasopharynx and the parapharyngeal space requires thorough assessment of location and extension in order to plan appropriate treatment. This study evaluates computer tomography and magnetic resonance imaging in the workup of malignant and non-malignant tumors o...

journal_title：Neuroradiology

authors： Hunink MG,de Slegte RG,Gerritsen GJ,Speelman H

更新日期：1990-01-01 00:00:00

abstract：:We retrospectively reviewed the MRI findings in 28 patients with an intramedullary spinal cord ependymoma who underwent surgical treatment. There were 26 tumours in the cervical and two in the thoracic spine. T1- and T2-weighted and contrast-enhanced images at 1.5 T were obtained in all cases. T1-weighted imaging show...

journal_title：Neuroradiology

authors： Miyazawa N,Hida K,Iwasaki Y,Koyanagi I,Abe H

更新日期：2000-11-01 00:00:00

abstract：:Magnetic resonance angiography (MRA) hs inherent artifacts due to variation in velocity and direction of flowing blood in the carotid bulb and regions of stenosis. We examined the efficiency of dual 3-inch surface coils to delineate carotid artery flow better. Carotid MRA was performed on ten healthy volunteers and si...

journal_title：Neuroradiology

authors： Faro SH,Vinitski S,Ortega HV,Mohamed FB,Chen CY,Flanders AE,Gonzales CF,Zimmerman RA

更新日期：1996-07-01 00:00:00

abstract：:Comparison between computed tomography and nuclear magnetic resonance imaging in 17 patients with intracranial hematomas indicates a distinct role for NMR in evaluating the stable patient with hematoma. NMR is useful for delineating the extent of the hematoma, the relationship of the hematoma to brain anatomy, and the...

journal_title：Neuroradiology

authors： Zimmerman RA,Bilaniuk LT,Grossman RI,Levine RS,Lynch R,Goldberg HI,Samuel L,Edelstein W,Bottomley P,Redington RW

更新日期：1985-01-01 00:00:00

abstract：:The overall haemorrhagic risk of a cerebral arteriovenous malformation (cAVM) is 2-4% per year. However, the individual risk of haemorrhage has never been determined. This study was undertaken to assess the haemorrhage risk of an individual cAVM. Neuroangiographic findings of 160 cAVM were analysed retrospectively, lo...

journal_title：Neuroradiology

authors： Nataf F,Meder JF,Roux FX,Blustajn J,Merienne L,Merland JJ,Schlienger M,Chodkiewicz JP

更新日期：1997-01-01 00:00:00

abstract：:We compared gradient-echo (GRE), spin-echo (SE) and stimulated-echo (STE) echo-planar imaging sequences for perfusion-weighted imaging at different field strengths. Focal cerebral ischaemia was induced by endovascular occlusion of the middle cerebral artery in eight rats. MR was performed at 4.7 T or 2.35 T. With each...

journal_title：Neuroradiology

authors： Heiland S,Kreibich W,Reith W,Benner T,Dörfler A,Forsting M,Sartor K

更新日期：1998-04-01 00:00:00

abstract：INTRODUCTION:Cerebral vasospasm (CVS) after subarachnoid hemorrhage (SAH) often leads to poor outcomes in SAH patients. Overexpression of endothelin-1 (ET-1) could contribute to the development of CVS. The purpose of this study was to investigate cerebral microcirculation by whole-brain perfusion CT scan and ET-1 expre...

journal_title：Neuroradiology

authors： Lei Q,Li S,Zheng R,Xu K,Li S

更新日期：2015-01-01 00:00:00

abstract：:Ultrasonography by the Doppler technique combined with B-mode echotomography are useful methods in the investigation of disease of the major arteries in the neck supplying the brain. The investigations are described together with the significance of major findings. ...

journal_title：Neuroradiology

authors： Boespflug OJ

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:Complex neurovascular lesions in children require precise anatomic understanding for treatment planning. Although 3DRA is commonly employed for volumetric reformation in neurointerventional procedures, the ability to reconstruct this data into CT-like images (3DRA-CT) is not widely utilized. This study demonstr...

journal_title：Neuroradiology

authors： Muthusami P,Shkumat N,Rea V,Chiu AH,Shroff M

更新日期：2017-06-01 00:00:00