abstract：INTRODUCTION:We present a previously unreported complication following the treatment of a patient with two small, wide-necked, posterior communicating artery aneurysms. METHODS:Endovascular embolization of one aneurysm was performed using a stent-assisted technique. Follow-up angiography 5 months later revealed that a...

journal_title：Neuroradiology

authors： Gao BL,Li MH,Wang YL,Fang C

更新日期：2006-05-01 00:00:00

abstract：:A high relaxivity contrast agent is indicated for use in MRI of the central nervous system to visualize lesions with an abnormal blood-brain barrier (BBB) or abnormal vascularity of the brain. We evaluated MultiHance (gadobenate dimeglumine, Gd-BOPTA) on T2*-weighted perfusion imaging in 33 histologically proven intra...

journal_title：Neuroradiology

authors： Cotton F

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Although imaging features of cerebellar pilocytic astrocytoma and medulloblastoma have been described in many texts, original comparisons of magnetic resonance intensity between these two tumours are limited. In the present study the results of magnetic resonance imaging (MRI) were reviewed, focu...

journal_title：Neuroradiology

authors： Arai K,Sato N,Aoki J,Yagi A,Taketomi-Takahashi A,Morita H,Koyama Y,Oba H,Ishiuchi S,Saito N,Endo K

更新日期：2006-04-01 00:00:00

abstract：:We describe a technique of injecting alcohol into venous malformations (VM) under slow digital subtraction angiography (DSA) which eliminates the need to pre-mix the alcohol with a contrast agent. The technique presented here is especially helpful when Metrizamide is not available or not permitted for use. It offers a...

journal_title：Neuroradiology

authors： Agid R,Burvin R,Gomori JM

更新日期：2006-02-01 00:00:00

abstract：:A number of different methods have been employed to correct hippocampal volumes for individual variation in head size. Researchers have previously used qualitative visual inspection to gauge hippocampal atrophy. The purpose of this study was to determine the best measure(s) of hippocampal size for predicting memory fu...

journal_title：Neuroradiology

authors： Lye TC,Grayson DA,Creasey H,Piguet O,Bennett HP,Ridley LJ,Kril JJ,Broe GA

更新日期：2006-02-01 00:00:00

abstract：:We report our experience in the endovascular treatment with detachable platinum coils of ruptured or symptomatic unruptured cerebral aneurysms in 61 patients aged 70-82 years. Complete occlusion was achieved in 38, subtotal in 17 and partial in one. The treatment failed in five patients. Clinical follow-up was perform...

journal_title：Neuroradiology

authors： Bradac GB,Bergui M,Fontanella M

更新日期：2005-12-01 00:00:00

abstract：:Two methods of quantifying hemispheric language dominance (HLD) in neurosurgical patients are compared: (1) an average magnitudes (AM) method, which is a calculation of the average signal intensity variation in regions of interest for each patient that were predefined in a group analysis for each task, and (2) a later...

journal_title：Neuroradiology

authors： Baciu MV,Watson JM,Maccotta L,McDermott KB,Buckner RL,Gilliam FG,Ojemann JG

更新日期：2005-11-01 00:00:00

abstract：:Hereditary spastic paraplegia (HSP) is a genetically heterogeneous group of neurodegenerative disorders characterized by progressive lower extremity weakness and spasticity. HSP pathology involves axonal degeneration that is most pronounced in the terminal segments of the longest descending (pyramidal) and ascending (...

journal_title：Neuroradiology

authors： Hedera P,Eldevik OP,Maly P,Rainier S,Fink JK

更新日期：2005-10-01 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 investigated the accuracy of MRI in the early diagnosis of infectious meningitis with emphasis on the value of gadolinium-enhanced fluid-attenuated inversion recovery (FLAIR) sequence. Twenty-seven patients with clinical suspicion of infectious meningitis were included. MRI was performed within 3 h of clinical eval...

journal_title：Neuroradiology

authors： Splendiani A,Puglielli E,De Amicis R,Necozione S,Masciocchi C,Gallucci M

更新日期：2005-08-01 00:00:00

abstract：:This case demonstrates the rare finding of a primary malignant lymphoma of the frontobasis and ethmoidal cells in a patient presenting with progressive loss of vision. Computed tomography and MRI demonstrated a homogenously enhancing tumour with extensive bony destructions of the skull base. After transsphenoidal biop...

journal_title：Neuroradiology

authors： Hans FJ,Reinges MH,Nolte K,Reipke P,Krings T

更新日期：2005-07-01 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：: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：: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：:It is useful to evaluate the occlusive lesions of middle cerebral artery (MCA) occlusion with transcranial color-coded real-time sonography (TCCS). However, TCCS criteria for locating the site of the MCA occlusion has, as yet, remained unclear. The aim of the present study was to establish TCCS criteria for MCA occlus...

journal_title：Neuroradiology

authors： Ogata T,Kimura K,Nakajima M,Naritomi H,Minematsu K

更新日期：2005-04-01 00:00:00

abstract：:The objective of this study is to show rotational 3D angiography findings and their usefulness in the occlusion of carotid cavernous fistulas (CCFs) using detachable balloons. Five patients with direct CCF were retrospectively reviewed for details of interventional procedures and 2D and 3D angiography findings. Prethe...

journal_title：Neuroradiology

authors： Kwon BJ,Han MH,Kang HS,Chang KH

更新日期：2005-04-01 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：: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：:This study demonstrates that in experienced hands, intracranial angioplasty is a feasible and safe option in a selected group of patients with severe (>50% stenosis) symptomatic vasospasm following subarachnoid hemorrhage. Cerebral circulation time is a surrogate parameter closely linked to cerebral perfusion. The stu...

journal_title：Neuroradiology

authors： Turowski B,du Mesnil de Rochemont R,Beck J,Berkefeld J,Zanella FE

更新日期：2005-02-01 00:00:00

abstract：:In the endovascular treatment of cerebrovascular diseases, positioning the guiding catheter is of great importance. In cases where vessel tortuosity prohibits positioning the guiding catheter in the carotid artery via the femoral approach, we use a direct carotid approach via common carotid artery puncture. For direct...

journal_title：Neuroradiology

authors： Kai Y,Hamada J,Morioka M,Yano S,Mizuno T,Kuratsu J

更新日期：2005-01-01 00:00:00

abstract：:In small arteriovenous malformations (AVM) with large hematomas, surgery remains the main therapeutic option. However, intraoperative identification of the AVM, feeders, and draining veins could be difficult in the environment of substantial intracerebral blood. In those selected cases, we use navigated computed tomog...

journal_title：Neuroradiology

authors： Coenen VA,Dammert S,Reinges MH,Mull M,Gilsbach JM,Rohde V

更新日期：2005-01-01 00:00:00

abstract：:Minimal hepatic encephalopathy (MHE) is frequently diagnosed in patients with liver cirrhosis who do not show overt clinical cirrhosis-associated neurological deficits. This condition manifests primarily with visuo-motor and attention deficits. We studied the association between visuo-motor deficits and magnetic reson...

journal_title：Neuroradiology

authors： Mechtcheriakov S,Schocke M,Kugener A,Graziadei IW,Mattedi M,Hinterhuber H,Vogel W,Marksteiner J

更新日期：2005-01-01 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：BACKGROUND:As adequate therapy for retinoblastoma in young children depends on infiltration of extra-retinal structures, diagnostic modalities play an essential role. METHODS:In this widely extended study, 80 children with retinoblastoma were studied with MRI (standard fat-suppressed Gd-enhanced T1, T2 thin-slice sequ...

journal_title：Neuroradiology

authors： Gizewski ER,Wanke I,Jurklies C,Güngör AR,Forsting M

更新日期：2005-01-01 00:00:00

abstract：:Aneurysms may arise at various locations along the course of the posterior inferior cerebellar artery. Brainstem and cranial nerves manipulation make the surgical approach to proximal aneurysms difficult, while the occlusion of the parent vessel is sometimes unavoidable in peripheral aneurysms. Endovascular treatment ...

journal_title：Neuroradiology

authors： Bradac GB,Bergui M

更新日期：2004-12-01 00:00:00

abstract：:Postpartum cerebral angiopathy (PCA) is an uncommon cause of ischemic and hemorrhagic stroke in young women. It is usually clinically benign and not relapsing. We describe a patient with nonhemorrhagic PCA who had an atypical progressive neurological deficit from bilateral hemisphere watershed ischemia despite treatme...

journal_title：Neuroradiology

authors： Song JK,Fisher S,Seifert TD,Cacayorin ED,Alexandrov AV,Malkoff MD,Grotta JC,Campbell MS

更新日期：2004-12-01 00:00:00

abstract：:Bilateral conductive deafness due to congenital absence of the long process of the incus (CALPI) is rare. The authors present the case of a patient with bilateral CALPI. To the best of our knowledge, this is the first reported case preoperatively diagnosed as bilateral CALPI by computed tomography. Multislice computed...

journal_title：Neuroradiology

authors： Watanabe A,Miyashima H,Kobashi T,Take K

更新日期：2004-10-01 00:00:00

abstract：:We report a rare case of bilateral hypoplasia of the internal carotid arteries with an associated aneurysm of the basilar tip, studied by CT angiography, MR angiography and digital angiography. The patient became symptomatic with an episode of loss of consciousness, likely due to reduced blood perfusion. The other 20 ...

journal_title：Neuroradiology

authors： Briganti F,Maiuri F,Tortora F,Elefante A

更新日期：2004-10-01 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：:Our objective was to determine the brain magnetic resonance imaging (MRI) abnormalities in a selected group of patients with mucopolysaccharidosis (MPS) types I and II who had only mild clinical manifestations. We retrospectively assessed MRI brain studies in 18 patients with MPS (type I: 6 and type II: 12). We evalua...

journal_title：Neuroradiology

authors： Matheus MG,Castillo M,Smith JK,Armao D,Towle D,Muenzer J

更新日期：2004-08-01 00:00:00

abstract：:MRI may be used for detecting cartilage invasion in patients with laryngeal carcinoma. However, the normal laryngeal ossification pattern has not been studied. Our purpose was to examine the normal age-related signal patterns in the cricoid, thyroid and arytenoid cartilages on T1-weighted images. Signal in the cartila...

journal_title：Neuroradiology

authors： Fatterpekar GM,Mukherji SK,Rajgopalan P,Lin Y,Castillo M

更新日期：2004-08-01 00:00:00

abstract：:Recurrent contrast-enhancing lesions arising within foci of prior brain neoplasms treated with chemotherapy and/or radiation therapy pose a significant diagnostic dilemma, as they may represent recurrent or residual tumor, treatment-related changes, or a combination of both. Those lesions specifically in the posterior...

journal_title：Neuroradiology

authors： Weybright P,Maly P,Gomez-Hassan D,Blaesing C,Sundgren PC

更新日期：2004-07-01 00:00:00

abstract：:Aneurysm configuration and neck morphology are important factors in the decision for cerebral aneurysm therapy, i.e., clipping versus coiling. The aim of our study was to create various aneurysm configurations in a predictable and reproducible way in an animal model. In our recently proposed endovascular approach to p...

journal_title：Neuroradiology

authors： Thiex R,Möller-Hartmann W,Hans FJ,Scherer K,Krings T

更新日期：2004-07-01 00:00:00

abstract：:In malignant brain tumours which may disseminate staging, usually by cranial and spinal MRI is necessary. If MRI is performed in the postoperative period pitfalls should be considered. Nonspecific subdural contrast enhancement on spinal staging MRI is rarely reported after resection of posterior fossa tumours, which m...

journal_title：Neuroradiology

authors： Warmuth-Metz M,Kühl J,Krauss J,Solymosi L

更新日期：2004-03-01 00:00:00

abstract：:PHACE and PHACES are acronyms for a syndrome of variable expression comprising posterior cranial fossa malformations, facial haemangiomas, arterial anomalies, aortic coarctation and other cardiac disorders, ocular abnormalities and stenotic arterial disease. We review five girls and three boys aged 1 month-14 years wi...

journal_title：Neuroradiology

authors： Bhattacharya JJ,Luo CB,Alvarez H,Rodesch G,Pongpech S,Lasjaunias PL

更新日期：2004-03-01 00:00:00

abstract：:Necrotic meningiomas are relatively rare, accounting for 1.3-3.9% of primary intracranial tumours and for 10-15% of meningiomas, but are of special clinical importance as they may resemble metastases or malignant gliomas. We report the magnetic resonance findings of diffusion-weighted imaging, perfusion-weighted imagi...

journal_title：Neuroradiology

authors： Harting I,Hartmann M,Bonsanto MM,Sommer C,Sartor K

更新日期：2004-03-01 00:00:00

abstract：:We evaluated the "dural tail" associated with 48 intracranial meningiomas on fluid-attenuated inversion-recovery (FLAIR) and contrast-enhanced T1-weighted images. In 30 (62.5%), a dural tail was observed on contrast-enhanced T1-weighted images, and thickening of the dura mater and abnormal signal were identified in th...

journal_title：Neuroradiology

authors： Takeguchi T,Miki H,Shimizu T,Kikuchi K,Mochizuki T,Ohue S,Ohnishi T

更新日期：2004-02-01 00:00:00

abstract：:We report long-term (average 30 months) clinical and radiological follow-up of 16 consecutive patients with uni- or bilateral proximal vertebral artery stenosis who underwent percutaneous transluminal angioplasty (PTA), without stenting, between 1995 and 1998. Assessment was performed by an independent neurologist. Al...

journal_title：Neuroradiology

authors： Janssens E,Leclerc X,Gautier C,Godefroy O,Koussa M,Hénon H,Lucas C,Leys D,Pruvo JP

更新日期：2004-01-01 00:00:00

abstract：:We assessed possible advantages of the use of fluid-attenuated inversion-recovery (FLAIR) sequences with magnetisation-transfer contrast (MTC) over conventional FLAIR images. We carried out cranial MRI at 1 tesla on 50 patients with both sequences. In nine patients with multiple sclerosis (MS) we performed a quantitat...

journal_title：Neuroradiology

authors： Aprile I,Scapeccia M,Principi M,Ottaviano P

更新日期：2003-12-01 00:00:00

abstract：:Gradient-echo (GE) MRI has been demonstrated to be the most sensitive current technique for detection of intracerebral haemosiderin, especially in the chronic stage of haemorrhage. Our purpose was to see whether GE MRI shows old haemorrhage indefinitely. We reviewed serial GE images of 105 adults with imaging features...

journal_title：Neuroradiology

authors： Messori A,Polonara G,Mabiglia C,Salvolini U

更新日期：2003-12-01 00:00:00