Cerebral abscess with special reference to the angiographic changes.

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：: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：:Brain CT studies of 35 patients with anorexia nervosa confirmed the observations of other authors: cerebral dystrophic changes correlate with weight loss and the reversibility of these changes also correlates with the normalization of body weight. Other corroborated facts are: the most numerous and most pronounced enl...

journal_title：Neuroradiology

authors： Artmann H,Grau H,Adelmann M,Schleiffer R

更新日期：1985-01-01 00:00:00

abstract：:Using a polystyrene phantom and various concentrations of iodine contrast material, the discrimination of blood vessels by the EMI scanner was studied. Although a 2 mm tube can be delineated using high concentrations of iodine, smaller tubes are not seen due to noise inherent in the system. ...

journal_title：Neuroradiology

authors： Bergström M,Riding M,Greitz T

更新日期：1976-01-01 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：:Vulnerable plaques have thin fibrous caps overlying large necrotic lipid cores. Recent studies have shown that high-resolution MR imaging can identify these components. We set out to determine whether in vivo high-resolution MRI could quantify this aspect of the vulnerable plaque. Forty consecutive patients scheduled ...

journal_title：Neuroradiology

authors： Trivedi RA,U-King-Im JM,Graves MJ,Horsley J,Goddard M,Kirkpatrick PJ,Gillard JH

更新日期：2004-09-01 00:00:00

abstract：:Using an EMI 5005 scanner with high resolution option, 75% of syrinxes were shown as low density cavities. Most spinal cord tumours caused isodense swellings, but 41% contained low density zones and cystic elements were demonstrated in 76% of these at surgery or by puncture of the spinal cord; a few (11%) of the isode...

journal_title：Neuroradiology

authors： Pullicino P,Kendall BE

更新日期：1982-01-01 00:00:00

abstract：:Magnetic resonance imaging is increasingly used in stroke trials for early diagnosis and follow-up of lesion size. Since volumetric measurement remains a laborious and time-consuming task, a rapid and reliable method for the assessment of lesion size has been developed and validated in diffusion weighted imaging (DWI)...

journal_title：Neuroradiology

authors： Hasselblatt M,Stiefel M,Rustenbeck HH,Breiter N,Grabbe E,Ehrenreich H

更新日期：2003-03-01 00:00:00

abstract：:Despite progress in ultrasonographic techniques visualisation of the origin of the vertebral arteries, particularly the left, by duplex and colour Doppler imaging, still poses a problem in a significant number of patients. In anatomical and radiological studies we demonstrated an anomalous origin in 6%, the left verte...

journal_title：Neuroradiology

authors： Trattnig S,Matula C,Karnel F,Daha K,Tschabitscher M,Schwaighofer B

更新日期：1993-01-01 00:00:00

abstract：:By studying patients with clinically suspected cerebrovascular occlusive disease using dynamic CT technique, we have shown that contrast peak attenuation of the whole normal cerebral tissue was uniformly reached at the same time within a given individual. On the other hand, the delay of peak time was shown to correlat...

journal_title：Neuroradiology

authors： Araki Y,Mori S,Kanoh M,Kawai R,Mitomo M

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:In acute cerebral ischemia, the assessment of irreversible injury is crucial for treatment decisions and the patient's prognosis. There is still uncertainty how imaging can safely differentiate reversible from irreversible ischemic brain tissue in the acute phase of stroke. METHODS:We have searched PubMed and ...

journal_title：Neuroradiology

authors： von Kummer R,Dzialowski I

更新日期：2017-06-01 00:00:00

abstract：:35 Patients with cerebral arteriovenous malformations treated by endovascular embolization were analyzed. The treatment was performed in most cases with polyvinyl alcohol with additional applications of silk, coils, gelfoam or detectable balloon in some patients. 8 patients developing mild to moderate neurological def...

journal_title：Neuroradiology

authors： Schumacher M,Horton JA

更新日期：1991-01-01 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：: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：:A patient developed a cervical myelopathy 20 months after radiotherapy for a carcinoma of the larynx. MRI showed an intramedullary lesion at C7. Although radiation myelopathy was suspected, tumour recurrence could not be excluded. A radiation-induced pharyngocutaneous fistula, confirmed histologically, appeared a mont...

journal_title：Neuroradiology

authors： Combarros O,Iglesias F,Guitera MV,Berciano J

更新日期：1996-05-01 00:00:00

abstract：:We report the case of a 58-year-old man with a giant partially thrombosed anterior communicating artery aneurysm, which presented with mass effect. Our treatment strategy consisted of endovascular aneurysm circulatory exclusion prior to surgical resection. To do so, we first occluded both the two A1 segments and the a...

journal_title：Neuroradiology

authors： Mounayer C,Undrén P,Piotin M,Boissonnet H,Moret J

更新日期：2005-04-01 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：: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：:We reconstructed three-dimensional (3D) surface images from single-photon emission computed tomography (SPECT) data using N-isopropyl-p[123I]-iodoamphetamine (123I-IMP) in 27 patients with Parkinson's disease and 11 normal control subjects. The 3D reconstruction was performed using distance-shaded methods at threshold...

journal_title：Neuroradiology

authors： Tachibana H,Kawabata K,Tomino Y,Sugita M,Fukuchi M

更新日期：1994-05-01 00:00:00

abstract：:In patients with nasopharyngeal carcinoma, intracranial spread may occur via direct extension from the base of the skull or via perineural spread. Perineural spread usually affects branches of the trigeminal nerve. We describe two patients with recurrent nasopharyngeal carcinoma, who presented with a solitary mass in ...

journal_title：Neuroradiology

authors： Gouliamos AD,Athanassopoulou A,Moulopoulou L,Kalovidouris A,Kotoulas G,Liaou A,Vlahos L,Papavassiliou C

更新日期：1996-05-01 00:00:00

abstract：:MRI was performed in 32 patients with motor neurone disease (26 men and 6 women, aged 40-77 years) and in a control group of 21 subjects. Of the patients studied, 19 had definite and 11 probable amyotrophic lateral sclerosis (ALS) and two had progressive bulbar palsy. In 10 patients there were asymmetrical bilateral f...

journal_title：Neuroradiology

authors： Andreadou E,Sgouropoulos P,Varelas P,Gouliamos A,Papageorgiou C

更新日期：1998-05-01 00:00:00

abstract：:The clinical significance of incidental white-matter foci seen on MRI is controversial. Mainly using a computer-assisted neuropsychological test battery, we tested the hypothesis that there is a clinical correlate of these foci. We studied 41 individuals aged 45-65 years with no history of neurological or psychiatric ...

journal_title：Neuroradiology

authors： Baum KA,Schulte C,Girke W,Reischies FM,Felix R

更新日期：1996-11-01 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：:We report MRI and proton MR spectroscopy (MRS) findings in a 12-month-old girl with Epstein-Barr virus encephalitis. CT and MRI showed focal lesions in the basal ganglia. MRS of the lesions showed decreased N-acetyl aspartate and elevation of some amino acids, indicating an infectious rather than ischemic etiology. Th...

journal_title：Neuroradiology

authors： Cecil KM,Jones BV,Williams S,Hedlund GL

更新日期：2000-08-01 00:00:00

abstract：:Nine men with dural arteriovenous malformations (DAVM) at the base of the anterior cranial fossa are described. Four patients had intracerebral haemorrhage and four had seizures, associated with haemorrhage in two. In three cases the fistula was an incidental finding. In five cases the diagnosis could be made before a...

journal_title：Neuroradiology

authors： Reul J,Thron A,Laborde G,Brückmann H

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:Endovascular coil embolization of posterior circulation aneurysms has advantages over a surgical approach. However, the application of coil embolization is sometimes limited in wide-necked posterior inferior cerebellar artery (PICA) aneurysms, which are incorporating the origin of the branch. Presented her...

journal_title：Neuroradiology

authors： Cho YD,Kang HS,Lee WJ,Kim KM,Kim JE,Han MH

更新日期：2013-07-01 00:00:00

abstract：:A case of venous angioma involving the frontal lobe is presented with surgical and histological confirmation. Only two other angiographically diagnosed cases have been reported previously in the literature. This case tends to support the entity of cerebral venous angioma as a distinct, though rare, type of cerebral va...

journal_title：Neuroradiology

authors： Scotti LN,Goldman RL,Rao GR,Heinz ER

更新日期：1975-08-07 00:00:00

abstract：PURPOSE:MELAS syndrome is a mitochondrial disorder typified by recurrent stroke-like episodes, seizures, and progressive brain injury. Abnormal mitochondria have been found in arterial walls implicating a vasculogenic etiology. We have observed abnormal cortical vein T2/FLAIR signal in MELAS patients, potentially repre...

journal_title：Neuroradiology

authors： Whitehead MT,Wien M,Lee B,Bass N,Gropman A

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:Although the treatment of intracranial cerebral aneurysms with detachable coils is now widely accepted, the problem of coil compaction and recanalization remains unsolved. If the vessel wall can be regenerated at the neck orifice of an aneurysm, thereby reducing the blood flow into the aneurysm, the recurrence ...

journal_title：Neuroradiology

authors： Hasegawa T,Uchiyama N,Sano H,Kawahara Y,Nakada M

更新日期：2020-09-01 00:00:00

abstract：INTRODUCTION:There are still no standardized guidelines for perfusion computerized tomography (PCT) analysis. METHODS:A total of 61 PCT studies were analyzed using either the anterior cerebral artery (ACA) or the middle cerebral artery (MCA) as the arterial reference, and the superior sagittal sinus (SSS) or the vein ...

journal_title：Neuroradiology

authors： Soustiel JF,Mor N,Zaaroor M,Goldsher D

更新日期：2006-09-01 00:00:00