CT and MRI of congenital sinonasal ossifying fibroma.

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：:Isolated thalamic bleeding without involvement of the internal capsule or other neighboring structures is extremely rare. Thalamic hemorrhage often leads to bleeding into the ventricular system. The extent of the bleeding is not a valid criterion for prognosis. The chance of survival was found to be poorest in initial...

journal_title：Neuroradiology

authors： Piepgras U,Rieger P

更新日期：1981-01-01 00:00:00

abstract：:The overall haemorrhagic risk of a cerebral arteriovenous malformation (cAVM) is 2-4% per year. However, the individual risk of haemorrhage has never been determined. This study was undertaken to assess the haemorrhage risk of an individual cAVM. Neuroangiographic findings of 160 cAVM were analysed retrospectively, lo...

journal_title：Neuroradiology

authors： Nataf F,Meder JF,Roux FX,Blustajn J,Merienne L,Merland JJ,Schlienger M,Chodkiewicz JP

更新日期：1997-01-01 00:00:00

abstract：:We report a child with a giant upper cervical internal carotid artery pseudoaneurysm presenting with dysphagia, respiratory distress and a sentinel mild epistaxis, then massive epistaxis. Rupture of the pseudoaneurysm during treatment occurred, as in one reported case. Prompt endovascular treatment yielded a good outc...

journal_title：Neuroradiology

authors： Köroglu M,Arat A,Cekirge S,Akpinar E,Eryilmaz A,Akmansu H,Köroglu BK

更新日期：2002-10-01 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：:Cysticercosis usually affects the brain and is easily demonstrated by CT. Spinal cysticercosis is much rarer and is usually diagnosed only at surgery. Myelographic demonstration of multiple rounded filling defects, some of which were mobile, allowed diagnosis of spinal extramedullary cysticercosis in an unsuspected ca...

journal_title：Neuroradiology

authors： Savoiardo M,Cimino C,Passerini A,La Mantia L

更新日期：1986-01-01 00:00:00

abstract：:Various techniques for the endovascular treatment of dural arteriovenous fistulas (dAVFs) of the transverse and sigmoid sinus have recently evolved. Transvenous coil occlusion of the involved segment and transarterial embolization of the feeding arteries with liquid agents are the commonest treatments utilized. Howeve...

journal_title：Neuroradiology

authors： Liebig T,Henkes H,Brew S,Miloslavski E,Kirsch M,Kühne D

更新日期：2005-07-01 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：:The density of metrizamide injected accidentally into the spinal cord during cervical CT myelography was measured with CT scanning and compared with a series of dilutions of metrizamide scanned with a special phantom. The test suggests that the metrizamide is diluted rapidly in the spinal canal, and in an accidental i...

journal_title：Neuroradiology

authors： Servo A,Laasonen EM

更新日期：1985-01-01 00:00:00

abstract：:The CT features of cerebral hydatid cysts are divided into two groups. In the unilocular cases, the cyst is large, spherical in shape with sharply defined borders. One side of the cyst wall is very close to the calvarium. The cyst may calcify and may have septae inside. There is no enhancement with contrast media and ...

journal_title：Neuroradiology

authors： Demir K,Karsli AF,Kaya T,Devrimci E,Alkan K

更新日期：1991-01-01 00:00:00

abstract：PURPOSE:We propose an magnetic resonance imaging (MRI)-based quantitative morphovolumetric approach to the posterior cranial fossa (PCF) and craniocervical junction (CCJ) changes in achondroplastic patients investigating possible associations with ventriculomegaly and medullary compression. METHODS:We analyzed MRI of ...

journal_title：Neuroradiology

authors： Calandrelli R,Panfili M,D'Apolito G,Zampino G,Pedicelli A,Pilato F,Colosimo C

更新日期：2017-10-01 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：: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：PURPOSE:A pseudo-normalization of infarcted brain parenchyma, similar to the "fogging effect" which usually occurs after 2-3 weeks, can be observed on CT performed immediately after endovascular stroke treatment (EST). Goal of this study was to analyze the incidence of this phenomenon and its evolution on follow-up ima...

journal_title：Neuroradiology

authors： Dekeyzer S,Reich A,Othman AE,Wiesmann M,Nikoubashman O

更新日期：2017-09-01 00:00:00

abstract：:Anatomical relationships of temporal bone structures are demonstrated by thin section edge detection computed tomography. Many otic structures are best appreciated in axial view, but reorientation to anatomy as seen in this plane is needed for optimal diagnosis. A level by level review of key structure is presented to...

journal_title：Neuroradiology

authors： Russell EJ,Koslow M,Lasjaunias P,Bergeron RT,Chase N

更新日期：1982-01-01 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：PURPOSE:The aim of this study was to describe imaging markers of decision-making under uncertain conditions in normal individuals, in order to provide baseline activity to compare to impaired decision-making in pathological states. METHODS:In this cross-sectional study, 19 healthy subjects ages 18-35 completed a novel...

journal_title：Neuroradiology

authors： Farrar DC,Mian AZ,Budson AE,Moss MB,Killiany RJ

更新日期：2018-01-01 00:00:00

abstract：:In a 23-year-old woman CT demonstrated a patent giant intracranial aneurysm. MRI, CT and angiography one month later demonstrated complete spontaneous thrombosis of the aneurysm. The diagnosis was confirmed surgically and pathologically. This case demonstrates that a normal angiogram can be associated with a thrombose...

journal_title：Neuroradiology

authors： Gerber S,Dormont D,Sahel M,Grob R,Foncin JF,Marsault C

更新日期：1994-05-01 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：:We describe a case of Rasmussen syndrome in a 7-year-old boy, presenting with epilepsia partialis continua, hemiplegia, and progressive mental deterioration. The initial MRI examination was normal, followed by progressive left hemispheric cortical atrophy and abnormal high signal intensity over the left occipital, par...

journal_title：Neuroradiology

authors： Kim SJ,Park YD,Pillai J

更新日期：2003-04-01 00:00:00

abstract：INTRODUCTION:Vertebrobasilar dissection is an uncommon cause of subarachnoid haemorrhage (SAH) that carries a high risk for early repeat haemorrhage. The need for rapid treatment of this disease entity is without question; however, the best method for treatment is still undetermined. Here, we present our results using ...

journal_title：Neuroradiology

authors： Bhogal P,Brouwer PA,Söderqvist ÅK,Ohlsson M,Andersson T,Holmin S,Söderman M

更新日期：2015-06-01 00:00:00

abstract：:This paper analyzes our findings in a series of 1900 CT examinations carried out on 950 children after ventricular drainage. Blood in the ventricles is a relatively frequent findings in the immediate postoperative course, and gliotic or poroencephalic phenomena are often found in the late course. Persistence of ventri...

journal_title：Neuroradiology

authors： Palmieri A,del Vecchio E,Ambrosio A,Pasquini U,Menichelli F,Salvolini U

更新日期：1982-01-01 00:00:00

abstract：:Sixty-three cases of surgically confirmed lumbar spinal stenosis were studied with regard to the clinical manifestations, routine spine films, and myelograms. The results are compared with the data in the literature. While our clinical and myelographic findings correspond in general with those published data, we have ...

journal_title：Neuroradiology

authors： Chynn KY,Altman I,Shaw WI,Finby N

更新日期：1978-01-01 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：INTRODUCTION:We evaluated the relationship between symptomatic and angiographic changes in untreated cavernous sinus dural arteriovenous fistulas (CSdAVFs), focusing on venous drainage patterns. METHODS:The clinical and radiologic features of 34 cases of untreated CSdAVF were retrospectively reviewed. We classified ve...

journal_title：Neuroradiology

authors： Choi JH,Jo KI,Kim KH,Jeon P,Yeon JY,Kim JS,Hong SC

更新日期：2015-11-01 00:00:00

abstract：:Spinal cord infarcts are rare. We report serial MRI studies of a patient with a clinically diagnosed spontaneous spinal cord infarct. The usefulness of gadolinium diethylenetriaminepentaacetic acid-dimeglumine (Gd-DTPA) enhancement is also discussed. Serial MRI with Gd-DTPA is useful to diagnose the spinal cord infarc...

journal_title：Neuroradiology

authors： Hirono H,Yamadori A,Komiyama M,Yakura H,Yasui T

更新日期：1992-01-01 00:00:00

abstract：:The original version of this article unfortunately contained a referencing omission. Figure 11 is reused from the original publication of Figure 10 of Gunny and Lin [1]. ...

journal_title：Neuroradiology

authors： Mankad K,Biswas A,Espagnet MCR,Dixon L,Reddy N,Tan AP,Oztekin O,D'Arco F,Shekdar K,Muthusami P,Robertson F,Goergen S,Chong W

更新日期：2020-07-01 00:00:00

abstract：:Occipital condylar fractures (OCF) are rare and have a high mortality rate. We report a patient with OCF who presented with acute hydrocephalus and died from diffuse vasospasm secondary to vertebral artery injury. A 45-year-old man fell 20 feet from a deer stand and landed on his head. CT showed a type III OCF continu...

journal_title：Neuroradiology

authors： Menéndez JA,Başkaya MK,Day MA,Nanda A

更新日期：2001-03-01 00:00:00

abstract：:There is still a controversy regarding the best regional brain atrophy measurements in multiple sclerosis (MS) studies. The aim of this study was to establish whether, in a cross-sectional study, the normalized measurements of regional brain atrophy correlate better with the MRI-defined regional brain lesions than the...

journal_title：Neuroradiology

authors： Zivadinov R,Locatelli L,Stival B,Bratina A,Grop A,Nasuelli D,Brnabic-Razmilic O,Zorzon M

更新日期：2003-11-01 00:00:00

abstract：PURPOSE:Computed tomography (CT) for minor head injury exposes a large number of children to ionizing radiation, with an associated increased lifetime risk of malignancy. To study imaging practices for children with minor head injury and the level of awareness of radiologists of the current clinical decision rules for ...

journal_title：Neuroradiology

authors： Argyropoulou MI,Alexiou GA,Xydis VG,Adamsbaum C,Chateil JF,Rossi A,Girard N,Vázquez É,Astrakas LG

更新日期：2020-02-01 00:00:00