Are hemodynamics of irregular small carotid-ophthalmic aneurysms different from those of regular ones and large aneurysms based on numerical simulation?

abstract：:CT has been used in controlling stereotaxic thalamotomies in patients with movement disorders. The results obtained in 12 such patients, with early and delayed scans, are presented. ...

journal_title：Neuroradiology

authors： Passerini A,Broggi G,Giorgi C,Savoiardo M

更新日期：1978-01-01 00:00:00

abstract：INTRODUCTION:The cerebral and cerebellar network involved in a bimanual object recognition was studied in blood oxygenation dependent level functional magnetic resonance imaging (fMRI). METHODS:Nine healthy right-handed volunteers were scanned (1) while performing bilateral finger movements (nondiscrimination motor ta...

journal_title：Neuroradiology

authors： Habas C,Cabanis EA

更新日期：2007-08-01 00:00:00

abstract：INTRODUCTION:Internal carotid artery dissection with tandem internal carotid and middle cerebral artery occlusion may be responsible for large cerebral infarction that carries a general poor prognosis. Recanalization of internal carotid artery (ICA) dissection by stent-assisted thrombolysis has been recently proposed. ...

journal_title：Neuroradiology

authors： Mourand I,Brunel H,Vendrell JF,Thouvenot E,Bonafé A

更新日期：2010-02-01 00:00:00

abstract：:Dynamic CT was utilized to evaluate 11 patients with histologically benign meningiomas. While it was found that all demonstrated macroscopic neovascularity, subtle differences in the dynamic perfusion curves were identified both between different meningiomas and from region to region within the same tumor. Other than ...

journal_title：Neuroradiology

authors： Jinkins JR,Sener RN

更新日期：1991-01-01 00:00:00

abstract：:We report a neonate in whom clinical and radiologic studies revealed features of both neurocutaneous melanosis and a Dandy-Walker malformation. We suggest that the association of these two conditions is perhaps not chance. ...

journal_title：Neuroradiology

authors： Chaloupka JC,Wolf RJ,Varma PK

更新日期：1996-07-01 00:00:00

abstract：:Chordoma is a rare cartilaginous tumor, for which bleeding presentation is unusual. We report a case of rare hemorrhaged clival chordoma, which was diagnosed correctly by magnetic resonance imaging. A 32-year-old man presented with nasal bleeding. The tumor was totally removed via a trans-sphenoidal approach, from whi...

journal_title：Neuroradiology

authors： Kitai R,Yoshida K,Kubota T,Sato K,Handa Y,Kasahara K,Nakajima H

更新日期：2005-05-01 00:00:00

abstract：INTRODUCTION:Biological and biophysical factors have been shown to play an important role in the initiation, progression, and rupture of intracranial aneurysms. The purpose of this study was to evaluate the association between hemodynamic forces and markers of vascular remodeling in elastase-induced saccular aneurysms ...

journal_title：Neuroradiology

authors： Kadirvel R,Ding YH,Dai D,Zakaria H,Robertson AM,Danielson MA,Lewis DA,Cloft HJ,Kallmes DF

更新日期：2007-12-01 00:00:00

abstract：PURPOSE:To evaluate the effects of the single-energy metal artifact reduction (SEMAR) algorithm on image quality of cerebral CT and CT angiography (CTA) for patients who underwent intracranial aneurysm coiling. METHODS:Twenty patients underwent cerebral CT and CTA using a 320-detector row CT after intracranial aneurys...

journal_title：Neuroradiology

authors： Katsura M,Sato J,Akahane M,Tajima T,Furuta T,Mori H,Abe O

更新日期：2018-11-01 00:00:00

abstract：INTRODUCTION:This study focuses on the feasibility and diagnostic accuracy of MR of the larynx performed with surface coils after endoscopic laser resection (ELR) for glottic cancer. METHODS:Thirty-one MR examinations of the larynx performed with surface coils on average 12 months after ELR were retrospectively review...

journal_title：Neuroradiology

authors： Ravanelli M,Farina D,Rizzardi P,Botturi E,Prandolini P,Mangili S,Peretti G,Nicolai P,Maroldi R

更新日期：2013-02-01 00:00:00

abstract：INTRODUCTION:Quicker recanalization results in better clinical outcomes in patients with acute ischemic strokes. We describe our experience with the use of a self-expanding, fully retrievable stent in acute intracranial occlusions. METHODS:Patients who underwent intra-arterial procedures with a self-expanding, fully r...

journal_title：Neuroradiology

authors： Menon BK,Kochar P,Ah-Seng A,Almekhlafi MA,Modi J,Wong JH,Hudon ME,Morrish W,Demchuk AM,Goyal M

更新日期：2012-02-01 00:00:00

abstract：INTRODUCTION:We report the characteristics, diagnosis and treatment of dural arteriovenous fistula (DAVF) of the hypoglossal canal in nine patients with this relatively rare vascular disorder. METHODS:Of 248 patients with intracranial DAVFs managed at our institution, nine patients (3.6%; four men, five women; mean ag...

journal_title：Neuroradiology

authors： Manabe S,Satoh K,Matsubara S,Satomi J,Hanaoka M,Nagahiro S

更新日期：2008-08-01 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：:The purpose of this study was to investigate the reliability of magnetic resonance angiography (MRA) for detection of intracranial aneurysms. Ninety-six consecutive patients who underwent both MRA using the three-dimensional time-of-flight technique (3D TOF) with the rephase/dephase subtraction method and conventional...

journal_title：Neuroradiology

authors： Horikoshi T,Fukamachi A,Nishi H,Fukasawa I

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To assess the feasibility and clinical outcome of combined CT and fluoroscopy-guided percutaneous vertebroplasty in the management of painful Schmorl's nodes (SN). METHODS:A prospective study was carried out from January 2014 to January 2016 in 52 consecutive patients. Thirty-two men and 30 women aged between ...

journal_title：Neuroradiology

authors： Amoretti N,Guinebert S,Kastler A,Torre F,Andreani O,Foti P,Cornelis F,Theumann N,Hauger O

更新日期：2019-04-01 00:00:00

abstract：:Inborn errors of metabolism can affect the cerebellum during development, maturation and later during life. We have established criteria for pattern recognition of cerebellar abnormalities in metabolic disorders. The abnormalities can be divided into four major groups: cerebellar hypoplasia (CH), hyperplasia, cerebell...

journal_title：Neuroradiology

authors： Steinlin M,Blaser S,Boltshauser E

更新日期：1998-06-01 00:00:00

abstract：INTRODUCTION:This study aimed to evaluate the safety and efficiency of the endovascular treatment of transverse-sigmoid sinus dural arteriovenous fistulas (TS_dAVF). METHODS:A total of 150 consecutive patients and 348 procedures were evaluated. RESULTS:Pulsatile tinnitus (81%), headache (15%), and intracranial hemorr...

journal_title：Neuroradiology

authors： Kirsch M,Liebig T,Kühne D,Henkes H

更新日期：2009-07-01 00:00:00

abstract：:Brain vascular malformations are dynamic disorders. Although mostly considered to be of congenital origin, the improvement of clinical imaging and vasculogenesis knowledge has shown that they might also result from a biological dysfunction of the remodeling process after birth. Venous occlusive disease and ishemia may...

journal_title：Neuroradiology

authors： Desal HA,Lee SK,Kim BS,Raoul S,Tymianski M,TerBrugge KG

更新日期：2005-01-01 00:00:00

abstract：:Chronic subdural hematoma is diagnosed angiographically by the presence of an avascular zone as a result of medial displacement of the cerebral surface vessels from the inner table. A rare angiographic sign, membrane stain, is reported in a case of chronic subdural hematoma. The stain is presumed to represent the vasc...

journal_title：Neuroradiology

authors： Kumar AJ,Koslow M,George AE

更新日期：1980-01-01 00:00:00

abstract：:We report the CT findings of a solitary fibrous tumor of the orbit. The radiologic features included relatively homogeneous contrast enhancement and smooth remodelling of the bones of the orbit, findings consistent with the benign nature of this relatively rare tumor. ...

journal_title：Neuroradiology

authors： Festa S,Lee HJ,Langer P,Klein KM

更新日期：1999-01-01 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：:A 66-year-old woman with a right hemiplegia due to cerebral haemorrhage was found to have heterotopic grey matter in the left frontal and right frontal and parietal lobes. She had no neurological disturbance prior to the haemorrhage. Regional cerebral blood flow (rCBF) was measured by xenon-CT (Xe-CT) in the zones of ...

journal_title：Neuroradiology

authors： Shimodozono M,Kawahira K,Tanaka N

更新日期：1995-08-01 00:00:00

abstract：:We report a patient with an iatrogenic vertebro-vertebral fistula responsible for a cerebellar syndrome and a cervical bruit. Endovascular treatment of the fistula was carried out using electrically detachable coils. An angiogram 5 months after treatment showed that the fistula had totally disappeared. ...

journal_title：Neuroradiology

authors： Miralbés S,Cattin F,Andrea I,Bonneville JF

更新日期：1998-11-01 00:00:00

abstract：:A case of megadolichobasilar artery anomaly (MDBA) with expansion of the internal auditory meatus is presented. There was no associated hearing loss and it is postulated that IAM expansion without hearing loss may occur with this anomaly. ...

journal_title：Neuroradiology

authors： Azar-Kia B,Palacios E,Spak M

更新日期：1976-07-16 00:00:00

abstract：INTRODUCTION:Endovascular treatment of cerebral aneurysms includes follow-up imaging to identify aneurysms that may need retreatment. The aim of this study was to determine predictors of incomplete aneurysm occlusion at 1 year after endovascular coiling for ruptured cerebral aneurysms. METHODS:In 129 patients of the P...

journal_title：Neuroradiology

authors： Taki W,PRESAT group.,Sakai N,Suzuki H

更新日期：2012-06-01 00:00:00

abstract：:We present cases of cervical cord compression in father and son with diaphyseal aclasia. Both patients were investigated with plain radiography, CT and MRI. We believe this to be the first report of spinal cord compression in first-degree relatives with diaphyseal aclasia. ...

journal_title：Neuroradiology

authors： Robbins SE,Laitt RD,Lewis T

更新日期：1996-01-01 00:00:00

abstract：:Hypothalamic hamartomas are relatively rare, non-neoplastic congenital malformations. With conventional MR images alone, small hypothalamic hamartomas may be difficult to diagnose because of artifacts from cerebrospinal fluid. We present the usefulness of three-dimensional constructive interference in steady state seq...

journal_title：Neuroradiology

authors： Yamura M,Hirai T,Korogi Y,Kitajima M,Hayashida Y,Ikushima I,Endo F,Yamashita Y

更新日期：2005-03-01 00:00:00

abstract：:We performed two-phase helical CT in 31 patients with juxtasellar region and cerebellopontine angle tumours to evaluate its usefulness in differentiating meningiomas from neurogenic tumours. After the intravenous injection of 90 ml contrast medium at 3 ml/s, axial helical images were obtained with delays of 30 and 120...

journal_title：Neuroradiology

authors： Ryoo JW,Na DG,Woo JY,Park K,Kim HD,Choi DS,Byun HS

更新日期：2001-08-01 00:00:00

abstract：:As well as the long-T2 relaxation components normally detected with conventional imaging techniques, the brain has short-T2 components. We wished to use ultra-short (0.08 ms) echo time (UTE) pulse sequences to assess the feasibility of imaging these in normal subjects and patients. UTE sequences were employed, with or...

journal_title：Neuroradiology

authors： Waldman A,Rees JH,Brock CS,Robson MD,Gatehouse PD,Bydder GM

更新日期：2003-12-01 00:00:00

abstract：PURPOSE:For safe deep brain stimulation (DBS) planning, an accurate visualization and localization of vessels is mandatory. Contrast enhanced (ce) MRI depicts both arteries and veins. Computed tomography angiography (CTA) detects arteries with high geometric accuracy. We routinely combine both modalities for DBS planni...

journal_title：Neuroradiology

authors： Krüger MT,Coenen VA,Jenkner C,Urbach H,Egger K,Reinacher PC

更新日期：2018-11-01 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