Magnetic resonance imaging of uveitis.

abstract：INTRODUCTION:The aim of this study is to investigate the relationship between abnormal retropharyngeal lymph nodes (RPLNs) and sinonasal malignancies among adults. METHODS:Magnetic resonance and computed tomography images from 89 patients over 20 years old who were all histopathologically confirmed to have sinonasal m...

journal_title：Neuroradiology

authors： Sai A,Shimono T,Yamamoto A,Takeshita T,Ohsawa M,Wakasa K,Miki Y

更新日期：2014-12-01 00:00:00

abstract：:In seven patients with temporal bone fractures examined by both CT and MRI, thin section CT proved superior to MRI in demonstrating the full extent of the fractures and the status of the ossicular chain. MR studies were able to demonstrate fractures, when these fractures contained blood or CSF, and the presence of oss...

journal_title：Neuroradiology

authors： Zimmerman RA,Bilaniuk LT,Hackney DB,Goldberg HI,Grossman RI

更新日期：1987-01-01 00:00:00

abstract：INTRODUCTION:Rarely in the anterior circulation, an anastomosis of the carotid and anterior cerebral arteries occurs when an anomalous branch arises from the ophthalmic segment of the internal carotid artery and anastomoses with the A1-A2 junction of the anterior communicating artery. Right-side predominance is known. ...

journal_title：Neuroradiology

authors： Uchino A,Saito N,Okada Y,Inoue K

更新日期：2012-01-01 00:00:00

abstract：:A patient with an amyloid tumor of the orbit was studied by computed tomographic scanning. The tumor density was 10 delta units unenhanced and 72 units enhanced. ...

journal_title：Neuroradiology

authors： Cohen MM,Lessell S

更新日期：1979-09-26 00:00:00

abstract：INTRODUCTION:Accurate quantification of hemodynamic parameters using dynamic contrast enhanced (DCE) MRI requires a measurement of tissue T 1 prior to contrast injection (T 1). We evaluate (i) T 1 estimation using the variable flip angle (VFA) and the saturation recovery (SR) techniques and (ii) investigate if accurate...

journal_title：Neuroradiology

authors： Tietze A,Mouridsen K,Mikkelsen IK

更新日期：2015-06-01 00:00:00

abstract：:We present two rare lumbar lesions with similar MRI features: high signal on T1-weighted and proton density images and low signal on T2-weighted images; a melanotic schwannoma, and a giant-cell tumour-like lesion. Melanin in the first case and haemosiderin and metahaemoglobin in the second were responsible for the MRI...

journal_title：Neuroradiology

authors： Aprile I,Scott CA,Cervesato D,Beltrami CA,Meo A,Fabris G

更新日期：2000-06-01 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：:The tolerance and diagnostic efficacy of a new nonionic, intravenous MRI contrast medium, gadodiamide injection (Omniscan) are reported and compared with those of gadolinium-DOTA after completion of a double-blind, randomized, parallel study in 60 patients using a dose of 0.1 mmol/kg. Two patients were excluded from t...

journal_title：Neuroradiology

authors： Balériaux D,Matos C,De Greef D

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:The p64 flow diverter (FD) device is a fully resheathable and detachable stent dedicated for endovascular treatment (EVT) of intracranial aneurysms (IAs). We report our mid-term experience with this device. METHODS:Between January 2015 and February 2016, we retrospectively identified, in our prospectively...

journal_title：Neuroradiology

authors： Morais R,Mine B,Bruyère PJ,Naeije G,Lubicz B

更新日期：2017-03-01 00:00:00

abstract：INTRODUCTION:Principles of echo shifting with a train of observations (PRESTO) sequence has long echo time which emphasizes the effect of T2* relaxation time and contribute to its high sensitivity to the susceptibility change. The aim of our study was to evaluate the ability of 3D-PRESTO sequence in detecting putaminal...

journal_title：Neuroradiology

authors： Sakurai K,Kawaguchi T,Kawai T,Ogino H,Hara M,Okita K,Yamawaki T,Shibamoto Y

更新日期：2010-09-01 00:00:00

abstract：:Variable results are obtained from the treatment of normal pressure hydrocephalus (NPH) by shunt insertion. There is a high correlation between NPH and the pathology of Alzheimer's disease (AD) on brain biopsy. There is an overlap between AD and vascular dementia (VaD), suggesting that a correlation exists between NPH...

journal_title：Neuroradiology

authors： Bateman GA,Levi CR,Schofield P,Wang Y,Lovett EC

更新日期：2005-10-01 00:00:00

abstract：:We report aqueduct compression by venous ectasia in a 65-year-old man with a dural arteriovenous fistula in the posterior cranial fossa draining into a superior vermian vein. Conventional and phase-contrast MRI showed the aqueduct stenosis and the causative dilated vein. ...

journal_title：Neuroradiology

authors： Brugières P,Combes C,el-Khoury C,Decq P,Heine P,Meyrignac C,Gaston A

更新日期：2000-04-01 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：INTRODUCTION:Cellulose porous beads (CPBs) are exceptionally uniform in size and nonabsorbable and they provide highly effective tumor devascularization. The risk of cranial nerve palsy must not be overlooked when embolization with CPBs is considered in meningioma patients. We attempted to identify patients at risk of ...

journal_title：Neuroradiology

authors： Kai Y,Hamada J,Morioka M,Yano S,Nakamura H,Makino K,Mizuno T,Takeshima H,Kuratsu J

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:Flow diverters (FD) have poor radiopacity, challenging visualization of deployment and vessel wall apposition with conventional neuroimaging modalities. We evaluated a novel cone beam computed tomography (CT) imaging technique that allows virtual dilution (VD) of contrast media to facilitate workflow and ensure...

journal_title：Neuroradiology

authors： Hassan AE,Wise J,Burke EM,Tekle WG

更新日期：2021-01-01 00:00:00

abstract：:Although many pathological changes in the internal capsule may lead to neurological deficits, we often encounter ill-defined focal low attenuation in the posterior limb of the internal capsule (PIC) on CT in patients with no neurological disturbance. Brain CT studies of 141 patients without neurological deficits were ...

journal_title：Neuroradiology

authors： Adachi M,Yamaguchi K,Hosoya T

更新日期：1996-02-01 00:00:00

abstract：:In order to investigate the possibilities of studying the axoplasmic flow in vivo by means of radionuclide scanning 75Se-methionine was injected into the L6, L7 or S1 spinal ganglia of cats and the spread of the isotope recorded with a gamma camera. -2. After 4 hours the area of isotope distribution extended 1-2 cm cr...

journal_title：Neuroradiology

authors： Widén L,Greitz T,Micheloyannakis J,Asard PE

更新日期：1976-01-01 00:00:00

abstract：:The computed tomograms performed on a series of 41 patients during the course of prolonged treatment for acute leukaemia were reviewed. Thirty-one of these cases were referred for some neurological disturbance, the remainder for routine assessment. Abnormalities were present in 59%. In two cases there were leukaemic d...

journal_title：Neuroradiology

authors： Kingsley DP,Kendall BE

更新日期：1978-01-01 00:00:00

abstract：:We report MRI findings in four patients with essential primary cutis verticis gyrata (CVG). The patients were all men, aged 49-81 years (mean 65 years). They had no symptoms related to this rare scalp condition, preceding scalp disease or associated systemic disease. Coronal images showed a characteristic corrugated a...

journal_title：Neuroradiology

authors： Okamoto K,Ito J,Tokiguchi S,Ishikawa K,Furusawa T,Sakai K

更新日期：2001-10-01 00:00:00

abstract：:We report a 36-year-old woman whose first MRI after developing symptoms of cervical nerve root irritation was normal. Eight months later, after progression to tetraparesis and demonstration of an extensive contrast-enhancing intramedullary lesion giving high signal on T2-weighted images, the diagnosis of lymphoblastic...

journal_title：Neuroradiology

authors： Herrlinger U,Weller M,Küker W

更新日期：2002-03-01 00:00:00

abstract：:We report a 7-year-old boy who presented with two-month history of worsening low back and right leg pain. Conventional MR images demonstrated a poorly outlined intradural mass recognized by the displacement of the conus medullaris and the nerve roots of the cauda equina at the L2-3 level. The signal intensity of the l...

journal_title：Neuroradiology

authors： Teksam M,Casey SO,Michel E,Benson M,Truwit CL

更新日期：2001-07-01 00:00:00

abstract：:Scintigraphy with 99mTc-pertechnetate made it possible to detect focal brain lesions in 4 patients with primary malignant lymphomas of the brain, one patient with CNS involvement with lymphatic immunoblastoma, one patient with Sézary syndrome (mycosis fungoides and T cell leukemia) and one child with a space occupying...

journal_title：Neuroradiology

authors： Heiss WD,Jellinger K,Podreka I

更新日期：1976-01-01 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：INTRODUCTION:The emergence of advanced in vivo neuroimaging methods has redefined the understanding of brain function with a shift from traditional localizationist models to more complex and widely distributed neural networks. In human language processing, the traditional localizationist models of Wernicke and Broca ha...

journal_title：Neuroradiology

authors： Middlebrooks EH,Yagmurlu K,Szaflarski JP,Rahman M,Bozkurt B

更新日期：2017-01-01 00:00:00

abstract：:During arterial catherisation of a cerebral arteriovenous malformation it may be difficult or impossible to access the nidus of the malformation through its small, tortuous feeding vessels due to microcatheter impaction. Carbon dioxide, a most potent cerebral vasodilator, was temporarily added to the inspired gases of...

journal_title：Neuroradiology

authors： Djurberg HG,Tjan GT,Al Moutaery KR

更新日期：1998-07-01 00:00:00

abstract：:Subacute combined degeneration is a rare cause of demyelination of the dorsal and lateral columns of the spinal cord and even more rarely of the pyramidal and spinocerebellar tracts and cerebellum. We present the initial and follow-up MRI appearances in a patient with subacute combined degeneration of the spinal cord,...

journal_title：Neuroradiology

authors： Katsaros VK,Glocker FX,Hemmer B,Schumacher M

更新日期：1998-11-01 00:00:00

abstract：:Diffuse pachymeningeal enhancement on magnetic resonance (MR) imaging is important in identifying spontaneous and secondary intracranial hypotension (IH) [cerebrospinal fluid (CSF) hypovolemia] in patients with postural headache, because CSF pressure at lumbar puncture is variable. We examined the pachymeningeal enhan...

journal_title：Neuroradiology

authors： Tosaka M,Sato N,Fujimaki H,Takahashi A,Saito N

更新日期：2005-05-01 00:00:00

abstract：:We present two cases with mitochondrial encephalopathy with lactic acidosis and strokelike episodes (MELAS), which showed both increased and decreased accumulation of N-isopropyl-p-(123I)-iodoamphetamine (123I-IMP) in single photon emission computed tomography (SPECT). The increased accumulation of the tracer occurred...

journal_title：Neuroradiology

authors： Morita K,Ono S,Fukunaga M,Yasuda T,Higashi Y,Terao A,Morita R

更新日期：1989-01-01 00:00:00

abstract：:The combination of high signal and reduced apparent diffusion coefficients (ADC) within abscesses on diffusion-weighted MRI (DWI) has been reported as characteristic of abscesses, and useful for distinguishing them from cystic or necrotic neoplasms. To assess whether these are consistent findings in abscesses, we used...

journal_title：Neuroradiology

authors： Guo AC,Provenzale JM,Cruz LC Jr,Petrella JR

更新日期：2001-05-01 00:00:00

abstract：:The authors present two cases of angiographically-confirmed anomalous origin of the posterior meningeal artery (PMA) from the lateral segment of the posterior inferior cerebellar artery (PICA) and describe briefly the probable embryogenesis of this anomaly. ...

journal_title：Neuroradiology

authors： Tanohata K,Maehara T,Noda M,Katoh H,Sugiyama S,Okazaki A

更新日期：1987-01-01 00:00:00