Cerebral perfusion computerized tomography: influence of reference vessels, regions of interest and interobserver variability.

abstract：:A verified case of duplicate origin of the left vertebral artery in association with a large aneurysm arising from the aortic arch immediately distal to the left subclavian artery is presented. An anomalous left vertebral artery arises directly from the aortic arch between the left common carotid and subclavian arteri...

journal_title：Neuroradiology

authors： Suzuki S,Kuwabara Y,Hatano R,Iwai T

更新日期：1978-03-29 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：:The use of coronal tomograms for CT scanning of the orbits is emphasized and the technic for patient positioning is described. Normal tomographic images are described and the contribution of coronal scans to a correct diagnosis is stressed in the light of 16 pathological cases. Coronal tomograms are especially valuabl...

journal_title：Neuroradiology

authors： Balériaux-Waha D,Mortelmans LL,Dupont MG,Terwinghe G,Jeanmart L

更新日期：1977-09-30 00:00:00

abstract：PURPOSE:Determinants of early loss of ischemic tissue (core) or its prolonged survival (penumbra) in acute ischemic stroke (AIS) are poorly understood. We aimed to identify radiological associations of core and penumbra volumes on CT perfusion (CTP) in a large cohort of AIS. METHODS:In the ASTRAL registry (2003-2016),...

journal_title：Neuroradiology

authors： Nannoni S,Cereda CW,Sirimarco G,Lambrou D,Strambo D,Eskandari A,Dunet V,Wintermark M,Michel P

更新日期：2019-09-01 00:00:00

abstract：INTRODUCTION:Toxoplasmosis and lymphoma are common lesions of the central nervous system in patients with AIDS. It is often difficult to distinguish between these lesions both clinically and radiographically. Previous research has demonstrated restricted diffusion within cerebral lymphomas and bacterial abscesses. Howe...

journal_title：Neuroradiology

authors： Schroeder PC,Post MJ,Oschatz E,Stadler A,Bruce-Gregorios J,Thurnher MM

更新日期：2006-10-01 00:00:00

abstract：:As the global COVID-19 pandemic evolves, our knowledge of the respiratory and non-respiratory symptoms continues to grow. One such symptom, anosmia, may be a neurologic marker of coronavirus infection and the initial presentation of infected patients. Because this symptom is not routinely investigated by imaging, ther...

journal_title：Neuroradiology

authors： Chiu A,Fischbein N,Wintermark M,Zaharchuk G,Yun PT,Zeineh M

更新日期：2021-01-01 00:00:00

abstract：INTRODUCTION:The magnetic navigation system consists of an externally generated magnetic field that is used to control and steer a magnetically tipped microguidewire. The goal of this study was to demonstrate that the use of the magnetic navigation system and its magnetic microguidewire is feasible and safe in all type...

journal_title：Neuroradiology

authors： Dabus G,Gerstle RJ,Cross DT 3rd,Derdeyn CP,Moran CJ

更新日期：2007-04-01 00:00:00

abstract：:The relationships between the third and fourth ventricles have been studied by examination of the angles formed by third and fourth ventricular projections. These have been subjected to statistical analysis and have proved useful for posterior fossa stereotactic surgery. ...

journal_title：Neuroradiology

authors： Hitchcock E,Oppitz P,Donaldson AA

更新日期：1978-08-18 00:00:00

abstract：:This young female suffered massive unilateral infarction of the cerebellum due to cocaine use. While cocaine-associated small, asymptomatic cerebellar infarcts have been reported in the literature, massive, symptomatic cerebellar infarction attending the use of cocaine has not been previously reported. ...

journal_title：Neuroradiology

authors： Aggarwal S,Byrne BD

更新日期：1991-01-01 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：PURPOSE:CT attenuation of ischemic brain reduces with time after stroke onset. We aimed to quantify this relationship and test the feasibility and accuracy of estimating stroke onset time using only CT attenuation of visible ischemic lesions, the CT-Clock Tool. METHODS:We selected CT scans with ischemic lesions repres...

journal_title：Neuroradiology

authors： Mair G,Alzahrani A,Lindley RI,Sandercock PAG,Wardlaw JM

更新日期：2020-10-30 00:00:00

abstract：:Signs of atrophy on cranial CT were investigated in 35 patients diagnosed as suffering from autosomal dominant (n = 21) or idiopathic (n = 14) cerebellar ataxia. Thirteen patients with a pure cerebellar syndrome were examined after at least 4 years of disease (mean duration 10.5 years) and were classified as cerebella...

journal_title：Neuroradiology

authors： Wittkämper A,Wessel K,Brückmann H

更新日期：1993-01-01 00:00:00

abstract：:To assess the interobserver variability of cerebral-atrophy measures on CT, three investigators measured the bicaudate ratio (BCR) and the sylvian-fissure ratio (SFR) on 20 CT studies of patients with ischaemic stroke. The intraclass correlation coefficient of BCR measurements was 0.82 [95% confidence interval (CI) 0....

journal_title：Neuroradiology

authors： van Zagten M,Kessels F,Boiten J,Lodder J

更新日期：1999-04-01 00:00:00

abstract：:Gangliogliomas are rare but mostly benign tumors of the central nervous system. Early surgical resection is recommended to prevent seizures and further growth. Therefore, an uncal herniation caused by a ganglioglioma is a very rare event. We report such a case, where a patient with an initially small lesion was lost t...

journal_title：Neuroradiology

authors： Eif M,Kaech DL

更新日期：2002-04-01 00:00:00

abstract：INTRODUCTION:The aims of the present study are to evaluate the potential of high-resolution black-blood MRI (hr-bb-cMRI) to differentiate common cervical arteriopathies and to evaluate interobserver reproducibility. METHODS:Forty-three consecutive patients with distinct cervical arteriopathies were examined with cervi...

journal_title：Neuroradiology

authors： Schwarz F,Strobl FF,Cyran CC,Helck AD,Hartmann M,Schindler A,Nikolaou K,Reiser MF,Saam T

更新日期：2016-06-01 00:00:00

abstract：:We carried out spectroscopic imaging (MRSI) on nine consecutive patients with temporal lobe epilepsy being assessed for epilepsy surgery, and nine neurologically healthy, age-matched volunteers. A volume of interest (VOI) was angled along the temporal horns on axial and sagittal images, and symmetrically over the temp...

journal_title：Neuroradiology

authors： Vikhoff-Baaz B,Malmgren K,Jönsson L,Starck G,Ljungberg M,Forssell-Aronsson E,Uvebrant P,Ekholm S

更新日期：2001-09-01 00:00:00

abstract：:A case of postoperative hypoparathyroidism is presented in which calcifications seen on CT scan were differently visualized on T2 weighted NMR images. High and low signal intensities may reflect different stages of the calcifying process thus confirming neuropathological findings. ...

journal_title：Neuroradiology

authors： Lang C,Huk W,Pichl J

更新日期：1989-01-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to assess regional cerebral blood flow (rCBV) in areas of CT hypoattenuation appearing in the postoperative period in patients treated for aneurysmal subarachnoid hemorrhage (SAH) using xenon-enhanced CT scanning (Xe-CT). METHODS:We analyzed 15 patients (5 male and 10 female; mea...

journal_title：Neuroradiology

authors： Fainardi E,Tagliaferri MF,Compagnone C,Tanfani A,Cocciolo F,Battaglia R,Frattarelli M,Pascarella R,Targa L,Chieregato A

更新日期：2006-09-01 00:00:00

abstract：:Although aneurysms are widely considered to be of congenital origin there is still debate as to whether some at least might be formed de novo during life. A review of all 49 reported cases plus one previously unpublished case reveals common clinical features and might aid in the management of this group of patients. S...

journal_title：Neuroradiology

authors： Tonn J,Hoffmann O,Hofmann E,Schlake HP,Sörensen N,Roosen K

更新日期：1999-09-01 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：: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：:A case of post-traumatic arachnoid spinal cyst with haemorrhagic contents is presented. CT findings were indistinguishable from those of epidural or subdural haematomas. The use of CT myelography permits a more accurate diagnosis by localizing the lesion into one of the three spaces. In our case, bleeding into a preex...

journal_title：Neuroradiology

authors： Teruel Agustin JJ,Gómez Martinench E,Castanyer Corretger F,Cando Salcines L,Davalos Errando A

更新日期：1989-01-01 00:00:00

abstract：:Up to 5 years ago, the radiological diagnosis of leukodystrophy was based on computed tomography (CT). More recently, magnetic resonance imaging (MRI) has been used to study pathology of the white matter with great success. The abnormalities in eight patients with different types of leukodystrophy are described, using...

journal_title：Neuroradiology

authors： Demaerel P,Faubert C,Wilms G,Casaer P,Piepgras U,Baert AL

更新日期：1991-01-01 00:00:00

abstract：:Eleven operated herniated disks in 10 patients were evaluated preoperatively with plain films, myelography and magnetic resonance imaging. Plain X-ray was a valuable supplement to MRI for studying the bony changes. Myelography showed 7 of 11 herniated disks while MRI gave correct diagnosis in all. It is concluded that...

journal_title：Neuroradiology

authors： Nakstad PH,Hald JK,Bakke SJ,Skalpe IO,Wiberg J

更新日期：1989-01-01 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：:The MRI appearances of a cervical meningocele are reported. The operation demonstrated the accuracy of the preoperative MRI diagnosis. ...

journal_title：Neuroradiology

authors： Ando S,Moritake K,Takaya M

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:Stasis filling, defined as delayed, weak, and persistent opacification of proximal segments of the cerebral arteries, is frequently found in brain dead patients. This phenomenon causes a major problem in the development of reliable computed tomographic angiography (CTA) protocol in the diagnosis of brain d...

journal_title：Neuroradiology

authors： Sawicki M,Bohatyrewicz R,Safranow K,Walecka A,Walecki J,Rowinski O,Solek-Pastuszka J,Czajkowski Z,Marzec-Lewenstein E,Motyl K,Przybyl W,Czarnecka A

更新日期：2013-09-01 00:00:00

abstract：:The chance opacification of the subarachnoid space surrounding the Gasserian ganglion, observed during metrizamide basal cisternography, is reported. This is compared to similar demonstrations of the optic subarachnoid space. Such infrequently observed images should be known because they may be related to the occurren...

journal_title：Neuroradiology

authors： Christmann D,Babin E

更新日期：1980-01-01 00:00:00

abstract：INTRODUCTION:This study was conducted in order to evaluate the value of time-resolved contrast-enhanced magnetic resonance angiography (TR-CE-MRA) with a 3.0-T magnetic field compared to digital subtraction angiography (DSA) as the reference standard for the diagnosis of brain arteriovenous malformation (bAVM). METHOD...

journal_title：Neuroradiology

authors： Machet A,Portefaix C,Kadziolka K,Robin G,Lanoix O,Pierot L

更新日期：2012-10-01 00:00:00

abstract：:The neuroimaging findings in an infant with hypernatremic dehydration are presented. Brain parenchymal haemorrhage and extensive multiple infarcts were present in the acute stage. Follow-up CT showed bilateral, symmetrical changes presumed to indicate extrapontine myelinolysis in the thalamus and globus pallidus. MRI ...

journal_title：Neuroradiology

authors： AlOrainy IA,O'Gorman AM,Decell MK

更新日期：1999-02-01 00:00:00