Contrast-enhanced MRI of intrasellar arachnoid cysts: relationship between the pituitary gland and cyst.

abstract：INTRODUCTION:Metaplastic ossification is a rare event in nasal polyps. The purpose of this study was to review the computed tomography (CT) and magnetic resonance (MR) imaging findings of nasal polyps with metaplastic ossification. METHODS:CT (n=5) and MR (n=3) images of five patients (four men and one woman; mean age...

journal_title：Neuroradiology

authors： Kim YK,Kim HJ,Kim J,Chung SK,Kim E,Ko YH,Kim ST

更新日期：2010-12-01 00:00:00

abstract：:Two exemplary cases of upper carotid occlusion and successful local intraarterial fibrinolytic therapy are described. To achieve a positive result one has to perform a balloon occlusion of the affected internal carotid artery while applying the fibrinolytic agent. Possible time limits of instigating therapy are discus...

journal_title：Neuroradiology

authors： Zeumer H,Hündgen R,Ferbert A,Ringelstein EB

更新日期：1984-01-01 00:00:00

abstract：PURPOSE:The purpose of this study is to investigate whether hemodynamics of unruptured, irregular small intracranial aneurysms (SIAs) are different from those of regular ones and large intracranial aneurysms (LIAs) in ophthalmic artery segment of internal carotid artery (ICA). METHODS:Between April 2015 and June 2018,...

journal_title：Neuroradiology

authors： Wan H,Huang L,Ge L,Jiang Y,Li G,Leng X,Feng X,Xiang J,Zhang X

更新日期：2020-04-01 00:00:00

abstract：:Our purpose was to investigate the potential of an experimental animal coil using a commercial MRI unit to delineate the anatomical structure of the human brain stem. Three formaldehyde-fixed brain-stem specimens were examined by MRI and sectioned perpendicular to their longitudinal axis. The images were compared with...

journal_title：Neuroradiology

authors： Mäurer J,Mitrovic T,Knollmann FD,Lüdtke E,Requardt H

更新日期：1996-04-01 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：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：PURPOSE:To evaluate the effects of the single-energy metal artifact reduction (SEMAR) algorithm on image quality of cerebral CT and CT angiography (CTA) for patients who underwent intracranial aneurysm coiling. METHODS:Twenty patients underwent cerebral CT and CTA using a 320-detector row CT after intracranial aneurys...

journal_title：Neuroradiology

authors： Katsura M,Sato J,Akahane M,Tajima T,Furuta T,Mori H,Abe O

更新日期：2018-11-01 00:00:00

abstract：:We report a patient with surgically proven Lhermitte-Duclos disease. The radiologic and pathologic features of this cerebellar lesion are reviewed, including the newly reported presence of vascular contrast enhancement within the mass. ...

journal_title：Neuroradiology

authors： Ortiz O,Bloomfield S,Schochet S

更新日期：1995-10-01 00:00:00

abstract：:A "bright thalamus" is not uncommonly observed in cranial sonograms of asphyxiated neonates, but not those of older infants. Three infants, aged 9-14 months, developed acute onset of seizures and disturbance of consciousness after a minor prodromal illness. Bilateral thalamic infarcts were demonstrated by ultrasonogra...

journal_title：Neuroradiology

authors： Wang HS,Huang SC

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:The aim of the study is to assess the effect of shape, diameter, elongation and deviation criteria of basilar artery (BA), convergence angle and diameter variations of vertebral arteries, and concurrent chronic diseases on posterior circulation infarcts. METHODS:Between January 2010 and May 2013, 186 pati...

journal_title：Neuroradiology

authors： Çoban G,Çifçi E,Yildirim E,Ağıldere AM

更新日期：2015-05-01 00:00:00

abstract：:Three-dimensional (3D) computed tomographic (CT) reconstructions were studied retrospectively in 14 patients with skull base fractures. Our aim was to assess the clarity of visualisation and pattern of these fractures. The reformations were obtained from 3 mm thick two-dimensional (2D) CT images. The 2D data stored on...

journal_title：Neuroradiology

authors： Ali QM,Dietrich B,Becker H

更新日期：1994-11-01 00:00:00

abstract：:The CT features of cerebellar lesions with von Hippel-Lindau's disease are analyzed. The use of CT scanning for associated spinal hemangioblastomas is discussed in the light of a case with a low cervical lesion. The role of computed tomography in the neuroradiological investigations is discussed. ...

journal_title：Neuroradiology

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

更新日期：1978-02-17 00:00:00

abstract：:Iatrogenic neurological deficit constitutes the greatest risk during therapeutic embolization in the vascular territories of the carotid and vertebral arteries. Constant monitoring of the patient's neurological status is therefore essential. The authors discuss the use of medical hypnosis to circumvent general anesthe...

journal_title：Neuroradiology

authors： Bank WO,Kerber CW

更新日期：1979-05-15 00:00:00

abstract：:A hemorrhagic infarction which caused left hemiparesis and homonymous hemianopia was demonstrated as a hypodense lesion on the first CT; 2 weeks later it was hyperdense and enhanced after injecting meglumine. Positron emission tomography with [11C]methyl-D-glucose also revealed the ischemic lesion, but also marked dec...

journal_title：Neuroradiology

authors： Heiss WD,Vyska K,Kloster G,Traupe H,Freundlieb C,Hoeck A,Feinendegen LE,Stoecklin G

更新日期：1982-01-01 00:00:00

abstract：:Abnormal contrast enhancement was seen in 196 (39.8%) of 492 CT scans performed on patients for evaluation of head trauma. It proved most helpful in the diagnosis of isodense subdural hematomas and contusions. The advantages of contrast-enhanced CT scans in the evaluation of head trauma more than compensate for the ad...

journal_title：Neuroradiology

authors： Tsai FY,Huprich JE

更新日期：1978-01-01 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：:Diffusion-weighted MR imaging (DWI) of two patients with carbon monoxide (CO) poisoning demonstrated white matter and cortical hyperintensities. In one patient, the changes on the FLAIR sequence were more subtle than those on DWI. The DWI abnormality in this patient represented true restriction. In the second patient,...

journal_title：Neuroradiology

authors： Teksam M,Casey SO,Michel E,Liu H,Truwit CL

更新日期：2002-02-01 00:00:00

abstract：:Comparison between computed tomography and nuclear magnetic resonance imaging in 17 patients with intracranial hematomas indicates a distinct role for NMR in evaluating the stable patient with hematoma. NMR is useful for delineating the extent of the hematoma, the relationship of the hematoma to brain anatomy, and the...

journal_title：Neuroradiology

authors： Zimmerman RA,Bilaniuk LT,Grossman RI,Levine RS,Lynch R,Goldberg HI,Samuel L,Edelstein W,Bottomley P,Redington RW

更新日期：1985-01-01 00:00:00

abstract：:The purpose of this study was to investigate the reliability of magnetic resonance angiography (MRA) for detection of intracranial aneurysms. Ninety-six consecutive patients who underwent both MRA using the three-dimensional time-of-flight technique (3D TOF) with the rephase/dephase subtraction method and conventional...

journal_title：Neuroradiology

authors： Horikoshi T,Fukamachi A,Nishi H,Fukasawa I

更新日期：1994-04-01 00:00:00

abstract：:The persistent trigeminal artery (PTA) is the most common and most cephalad-located embryological anastomosis between the developing carotid artery and vertebrobasilar system to persist into adulthood. As such, it is frequently reported as an incidental finding in computed tomography angiography and magnetic resonance...

journal_title：Neuroradiology

authors： Meckel S,Spittau B,McAuliffe W

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:The phenomenon of futile recanalization, defined as lack of clinical benefit despite angiographic recanalization, is an important limitation of endovascular treatment for acute ischemic stroke. We aim to characterize the occurrence and predictors of futile recanalization in the endovascular arm of the Intervent...

journal_title：Neuroradiology

authors： Hussein HM,Saleem MA,Qureshi AI

更新日期：2018-05-01 00:00:00

abstract：:The CT findings in two surgically and histologically verified cases of primary reticulum cell sarcoma of the cerebellar hemisphere with secondary involvement of the cerebellopontine angle are presented. It is suggested that a correct diagnosis is possible by CT if the following criteria are present: 1. slightly increa...

journal_title：Neuroradiology

authors： Valavanis A,Imhof HG,Klaiber R,Dabir K

更新日期：1981-01-01 00:00:00

abstract：INTRODUCTION:The purpose of this study is to relate hippocampal volume and FLAIR signal intensity to Wyler grading of hippocampal sclerosis (HS). METHODS:Of 100 consecutive patients with temporal lobe epilepsy and HS as histopathological diagnosis, 32 had high-resolution 3 Tesla MRI and anatomically well-preserved hip...

journal_title：Neuroradiology

authors： Urbach H,Huppertz HJ,Schwarzwald R,Becker AJ,Wagner J,Bahri MD,Tschampa HJ

更新日期：2014-09-01 00:00:00

abstract：:The side effects associated with the use of Iotrol were determined in 100 patients and compared with metrizamide and iopamidol in two double-blind studies. The relevance of the distribution of the contrast medium in the CSF space to the occurrence of headache is discussed. The low persistence of iotrol in the brain pa...

journal_title：Neuroradiology

authors： Hammer B,Deisenhammer E

更新日期：1985-01-01 00:00:00

abstract：INTRODUCTION:This study aims to test a novel balloon expandable stent covered with a polytetrafluoroethylene membrane (neurovascular embolization cover (NEC), NFocus Neuromedical, Palo Alto, California) regarding angiographic and histologic aneurysm occlusion. Radiopacity, stent placement, navigation, flexibility, and ...

journal_title：Neuroradiology

authors： Kühn AL,Roth C,Romeike B,Grunwald IQ

更新日期：2014-01-01 00:00:00

abstract：:Our objective was to determine the visibility of the cisternal segment of the normal abducens nerve using a three-dimensional Fourier-Transform constructive interference in the steady state (3DFT-CISS) sequence. Its visibility was rated in 150 patients without clinical evidence of abducens nerve disturbance. Axial 1-m...

journal_title：Neuroradiology

authors： Lemmerling M,De Praeter G,Mortelé K,Vyt S,Vanzieleghem B,Coolens D,Kunnen M

更新日期：1999-05-01 00:00:00

abstract：INTRODUCTION:Carotid angioplasty and stenting (CAS) has widely replaced balloon angioplasty (percutaneous transluminal angioplasty, PTA) in the treatment of internal carotid artery stenosis (ICAS). Here we assess whether the use of stents increases the safety and long-term efficacy of angioplasty in patients with ICAS....

journal_title：Neuroradiology

authors： Wittkugel O,Gbadamosi J,Rosenkranz M,Fiehler J,Zeumer H,Grzyska U

更新日期：2008-03-01 00:00:00

abstract：:We report two instructive cases of ruptured dissecting aneurysm of the basilar artery. Although stent-assisted endovascular treatment was successful, recurrent bleeding occurred 4 h after the procedure in one patient, and the other's basilar artery occluded 6 days after the procedure. These cases suggest that the high...

journal_title：Neuroradiology

authors： Kaku Y,Yoshimura S,Yamakawa H,Sakai N

更新日期：2003-01-01 00:00:00

abstract：:Immediate complete occlusion of complex cerebral aneurysms associated with perforating or major branch arteries may cause serious ischemic complications due to poor collateral supply. Flow reversal with concomitant proximal occlusion is an important therapeutic strategy in clinical practice and induces gradual thrombo...

journal_title：Neuroradiology

authors： Oruckaptan HH,Cekirge HS

更新日期：2011-06-01 00:00:00

abstract：:The use of NMR inversion-recovery (IR) sequences to demonstrate brain anatomy is illustrated. The high level of grey-white matter contrast is of value in localising anatomical structures and demonstrating myelination during childhood. While the resemblance of IR scans to gross anatomical sections in different planes i...

journal_title：Neuroradiology

authors： Simmonds D,Banks LM,Steiner RE,Young IR

更新日期：1983-01-01 00:00:00