Structural MRI and tract-based spatial statistical analysis of diffusion tensor imaging in children with hemimegalencephaly.

abstract：:The manifestations of angiomas on computed axial tomography (CAT) are described. Diagnostic changes were present in 66% and a focal abnormality, which was frequently suggestive of the diagnosis, in a further 27.5% of a consecutive series of 41 patients. It failed to show some focal abnormality in only two cases in whi...

journal_title：Neuroradiology

authors： Kendall BE,Claveria LE

更新日期：1976-01-01 00:00:00

abstract：PURPOSE:In patients requiring stent procedures, resistance or hyperresponsiveness to antiplatelet medications is often observed. This study aims to evaluate the efficacy and safety of tailoring medications in these patients. METHODS:This retrospective study included 223 patients who underwent endovascular treatment fo...

journal_title：Neuroradiology

authors： Kurniawan RG,Song Y,Kwon B,Ahn Y,Suh DC

更新日期：2020-12-01 00:00:00

abstract：INTRODUCTION:Indices of collateral flow deficit derived from MR perfusion imaging that are predictive of MCA-M1 recanalization after intravenous thrombolysis have been recently reported. Our objective was to test the performance of such MRI-derived collateral flow indices for prediction of recanalization after endovasc...

journal_title：Neuroradiology

authors： Nicoli F,Scalzo F,Saver JL,Pautot F,Mitulescu A,Chaibi Y,Girard N,Salamon N,Liebeskind DS,UCLA Stroke Investigators.

更新日期：2014-02-01 00:00:00

abstract：:We investigated nine patients with rhabdomyosarcoma in the head and neck (6-53 years of age), using CT and MRI. The tumours originated in the paranasal sinuses (3), cheek (2), soft palate (1), orbit (1), sternocostoclavicular muscle (1) and parapharyngeal space (1). The histological subtype was embryonal in five, alve...

journal_title：Neuroradiology

authors： Hagiwara A,Inoue Y,Nakayama T,Yamato K,Nemoto Y,Shakudo M,Daikokuya H,Nakayama K,Yamada R

更新日期：2001-04-01 00:00:00

abstract：INTRODUCTION:Using the intravoxel incoherent motion (IVIM) model, diffusion-related coefficient (D) and perfusion-related parameter (f) can be measured. Here, we used IVIM imaging to characterize squamous cell carcinomas of head and neck (HNSCC) and evaluated its application in follow-up after nonsurgical organ preserv...

journal_title：Neuroradiology

authors： Hauser T,Essig M,Jensen A,Gerigk L,Laun FB,Münter M,Simon D,Stieltjes B

更新日期：2013-05-01 00:00:00

abstract：:23Na MRI changes from the acute to chronic phase were investigated in seven patients with cerebral infarcts. They showed no signal increase during the first 13 h after the stroke and revealed a definite signal increase thereafter. This reached a maximum 45-82 h after stroke and became slightly less marked in the subac...

journal_title：Neuroradiology

authors： Shimizu T,Naritomi H,Sawada T

更新日期：1993-01-01 00:00:00

abstract：PURPOSE:Despite complex olfactory bulb embryogenesis, its development abnormalities in tuberous sclerosis complex (TSC) have been poorly investigated. METHODS:Brain MRIs of 110 TSC patients (mean age 11.5 years; age range 0.5-38 years; 52 female; 26 TSC1, 68 TSC2, 8 without mutation identified in TSC1 or TSC2, 8 not t...

journal_title：Neuroradiology

authors： Manara R,Brotto D,Bugin S,Pelizza MF,Sartori S,Nosadini M,Azzolini S,Iaconetta G,Parazzini C,Murgia A,Peron A,Canevini P,Labriola F,Vignoli A,Toldo I

更新日期：2018-08-01 00:00:00

abstract：:The rate of side effects, the results of EMG, EEG and CSF changes after radiculography, the rates of late leptomeningeal changes and the details of the hyperosmolality following the ionic contrast media are recorded and discussed. In conclusion rules are presented for the choice of contrast medium and the examination ...

journal_title：Neuroradiology

authors： Hammer B

更新日期：1978-11-24 00:00:00

abstract：PURPOSE:The proportion of acute symptomatic lacunar infarction lesions that undergo cavitation and the factors influencing cavity formation are yet unclear, particularly in the Chinese population. Hence, we investigated changes in the diameter of acute lacunar infarction lesions and identified the risk factors for the ...

journal_title：Neuroradiology

authors： Du M,Bai H,Chen J,Zeng Z,Song J,Chen S,He H,Wei H,Li T,Xiao X

更新日期：2020-02-01 00:00:00

abstract：:We report two boys diagnosed as having herpangina and hand-foot-mouth disease complicated by monoplegia during the outbreak enterovirus infection in Taiwan in 1998. Enterovirus 71 was identified in the stool and throat swab; neither polio nor Coxsackie viruses was identified. MRI showed unilateral lesions in the anter...

journal_title：Neuroradiology

authors： Shen WC,Tsai C,Chiu H,Chow K

更新日期：2000-02-01 00:00:00

abstract：PURPOSE:Automated bone segmentation from MRI datasets would have a profound impact on clinical utility, particularly in the craniofacial skeleton where complex anatomy is coupled with radiosensitive organs. Techniques such as gradient echo black bone (GRE-BB) and short echo time (UTE, ZTE) have shown potential in this ...

journal_title：Neuroradiology

authors： Eley KA,Delso G

更新日期：2021-01-01 00:00:00

abstract：INTRODUCTION:To prospectively compare of the diagnostic value of digital subtraction angiography (DSA) and time-of-flight magnetic resonance angiography (TOF-MRA) in the follow-up of intracranial aneurysms after endovascular treatment. METHODS:Seventy-two consecutive patients were examined 3 months after the embolizat...

journal_title：Neuroradiology

authors： Serafin Z,Strześniewski P,Lasek W,Beuth W

更新日期：2012-11-01 00:00:00

abstract：INTRODUCTION:This study was designed to determine if cerebral blood flow (CBF) derived from arterial spin labeling (ASL) perfusion imaging could be used to quantitatively evaluate the microvascular density (MVD) of brain gliomas on a "point-to-point" basis by matching CBF areas and surgical biopsy sites as accurate as ...

journal_title：Neuroradiology

authors： Ningning D,Haopeng P,Xuefei D,Wenna C,Yan R,Jingsong W,Chengjun Y,Zhenwei Y,Xiaoyuan F

更新日期：2017-01-01 00:00:00

abstract：INTRODUCTION:Shared rotating control acquisition can shorten the imaging time of territorial arterial spin labeling (tASL) by 33% compared with the normal control acquisition scheme but potentially results in an inaccurate estimate of vascular territories due to imperfect magnetization transfer compensation. Our purpos...

journal_title：Neuroradiology

authors： Kamano H,Yoshiura T,Hiwatashi A,Yamashita K,Takayama Y,Nagao E,Sagiyama K,Zimine I,Honda H

更新日期：2012-01-01 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：PURPOSE:Imaging is crucial for management of patients with possible cerebral venous thrombosis (CVT). To evaluate the cost-effectiveness of different noninvasive imaging strategies in patients with possible CVT. METHODS:A decision model based on Markov simulations estimated lifetime costs and quality-adjusted life yea...

journal_title：Neuroradiology

authors： Hedderich DM,Ferro JM,Kunz WG

更新日期：2019-10-01 00:00:00

abstract：:We assessed reproducible definition of two standardized co-ordinate systems for intersubject analysis of brain images. The baselines in the two co-ordinate systems were a modification of the canthomeatal (mCM) line and the anterior-posterior commissural (AC-PC) line. Axial spin-echo MR images of four subjects at 1.5T ...

journal_title：Neuroradiology

authors： Sandor T,Tieman J,Ong HT,Moss MB,Jolesz F,Albert M

更新日期：1994-10-01 00:00:00

abstract：INTRODUCTION:Basilar tip aneurysms are the most frequent type of aneurysm in the posterior circulation. Specifically, if wide-necked, they remain a significant therapeutic challenge. On the endovascular side, stents may help to overcome many of these technical challenges. However, if both P1 segments encroach into the ...

journal_title：Neuroradiology

authors： Wanke I,Gizewski E,Forsting M

更新日期：2006-11-01 00:00:00

abstract：PURPOSE:Flame-shaped pseudo-occlusion of the extracranial internal carotid artery (ICA) is a flow-related phenomenon that creates computed tomographic angiography (CTA) and digital subtraction angiography (DSA) findings that mimic tandem intracranial-extracranial ICA occlusion or dissection. We aim to determine the dia...

journal_title：Neuroradiology

authors： Prakkamakul S,Pitakvej N,Dumrongpisutikul N,Lerdlum S

更新日期：2017-10-01 00:00:00

abstract：:We report a case of extensive craniocervical bone pneumatisation presenting after minor trauma. The patient had neurological signs and initial radiographs showed multiple lucencies in the skull base and the atlas vertebra. CT established the true nature of this rare condition. ...

journal_title：Neuroradiology

authors： Sadler DJ,Doyle GJ,Hall K,Crawford PJ

更新日期：1996-05-01 00:00:00

abstract：:Four cases of cerebral venous angioma were studied by both CT and angiography. All cases showed similar angiographic findings: a normal arterial phase and a local network of small veins that converged centrally into a single large draining vein. However, CT showed nodular areas of high density in three cases, and a cu...

journal_title：Neuroradiology

authors： Maehara T,Tasaka A

更新日期：1978-01-01 00:00:00

abstract：:We describe the evolution of parenchymal cerebral cysticerci on MRI, to assess signs of early cyst degeneration. We studied 15 lesions in four treated and one untreated patient. MRI was performed before therapy and repeated in the 1st month after each course of anticysticercus drugs, every 4 months during the 1st year...

journal_title：Neuroradiology

authors： Dumas JL,Visy JM,Belin C,Gaston A,Goldlust D,Dumas M

更新日期：1997-01-01 00:00:00

abstract：:An imaging technique capable of detecting ischaemic cerebral injury at an early stage could improve diagnosis in acute or transient cerebral ischaemia. We compared the ability of superparamagnetically contrast-enhanced MRI and conventional T2-weighted MRI to detect ischaemic injury early after unilateral occlusion of ...

journal_title：Neuroradiology

authors： Forsting M,Reith W,Dörfler A,von Kummer R,Hacke W,Sartor K

更新日期：1994-01-01 00:00:00

abstract：:Four patients with radiologically normal pituitary gland were examined with positron emission tomography after the administration of (methyl-11C)-L-methionine. On a following day the examination was repeated with (methyl-11C)-D-methionine. The accumulation rate of L-methionine in the pituitary was measured, giving a v...

journal_title：Neuroradiology

authors： Bergström M,Muhr C,Ericson K,Lundqvist H,Lilja A,Eriksson L,Blomquist G,Långström B,Johnström P

更新日期：1987-01-01 00:00:00

abstract：:A 50-year-old man with active histiocytic lymphoma for 12 years developed an isolated right trigeminal neuropathy. Initial evaluation with head computed tomography, X-rays of the skull base, bone scan, and cerebrospinal fluid analysis including cytology were normal. Gadolinium-enhanced magnetic resonance imaging (MRI)...

journal_title：Neuroradiology

authors： Manon-Espaillat R,Lanska DJ,Ruff RL,Masaryk T

更新日期：1990-01-01 00:00:00

abstract：INTRODUCTION:Perfusion computed tomography (PCT) is increasingly performed in multimodal CT evaluation of acute ischemic stroke. We compared the technical quality of perfusion studies performed with a 16-row and a 64-row scanner and analyzed the differences between the scanners in their ability to detect perfusion defe...

journal_title：Neuroradiology

authors： Sillanpaa N,Rusanen H,Saarinen JT,Dastidar P,Soimakallio S

更新日期：2012-09-01 00:00:00

abstract：:We describe unusually extensive contrast enhancement of the dura mater on MRI in a case of dural arteriovenous fistula of the cavernous sinus. ...

journal_title：Neuroradiology

authors： Rucker JC,Newman NJ

更新日期：2003-02-01 00:00:00

abstract：:We studied serial MRI appearances of transneuronal degeneration in the inferior olives, retrospectively analysing follow-up images of five patients, three with head injury and two with brain stem haemorrhage. We performed 13 MRI studies 4 days to 2 years 7 months after the accident. All but one of the patients exhibit...

journal_title：Neuroradiology

authors： Suzuki M,Takashima T,Ueda F,Fujinaga Y,Horichi Y,Yamashita J

更新日期：1999-01-01 00:00:00

abstract：:Over a period of 46 months, 71 cervical carotid bifurcation stenotic lesions were treated by angioplasty and/or stenting. The stenosis was atherosclerotic in 61 cases, post-surgical or post-radiation in ten cases. The initial technical choice was that of primary stenting without cerebral protection; this attitude has ...

journal_title：Neuroradiology

authors： Bonaldi G

更新日期：2002-02-01 00:00:00

abstract：PURPOSE:To investigate the diffusion kurtosis imaging (DKI) in early minimal hepatic encephalopathy (MHE) diagnosis and evaluate the correlations between changes in DKI metrics and cognitive performance. METHODS:We enrolled 116 cirrhosis patients, divided into non-HE (n = 61) and MHE (n = 55), and 46 normal controls (...

journal_title：Neuroradiology

authors： Li JL,Jiang H,Zhang XD,Huang LX,Xie SS,Zhang L,Cheng Y,Shen W

更新日期：2019-06-01 00:00:00