The risk of arachnoiditis from experimental nonionic contrast media.

abstract：:The purpose of this study was to develop a spike-related functional magnetic resonance (MR) imaging method to detect epileptic brain activity. Correlations between simultaneous spike-related functional MR imaging and electroencephalographic (EEG) recordings were performed in 10 patients with focal epilepsy. Postproces...

journal_title：Radiology

authors： Jäger L,Werhahn KJ,Hoffmann A,Berthold S,Scholz V,Weber J,Noachtar S,Reiser M

更新日期：2002-06-01 00:00:00

abstract：PURPOSE:To show that prospective electrocardiographically (ECG)-triggered coronary computed tomographic (CT) angiography (hereafter, prospective CT angiography) is at least as effective as retrospective ECG-gated coronary CT angiography (hereafter, retrospective CT angiography). MATERIALS AND METHODS:Institutional rev...

journal_title：Radiology

authors： Hirai N,Horiguchi J,Fujioka C,Kiguchi M,Yamamoto H,Matsuura N,Kitagawa T,Teragawa H,Kohno N,Ito K

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of positron emission tomography (PET) with carbon-11 choline in brain tumor imaging. MATERIALS AND METHODS:A rat glioma cell line (C6) was incubated with C-14 choline; the time course of uptake and metabolism was determined in vitro. C-11 choline was injected intravenously in tumo...

journal_title：Radiology

authors： Shinoura N,Nishijima M,Hara T,Haisa T,Yamamoto H,Fujii K,Mitsui I,Kosaka N,Kondo T,Hara T

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:To investigate the incidence and characteristics of cerebellar injury in a cohort of very preterm infants by using the mastoid fontanelle (MF) and posterior fontanelle (PF) approach in addition to routine cranial ultrasonography (US) through the anterior fontanelle (AF), with magnetic resonance (MR) imaging as ...

journal_title：Radiology

authors： Steggerda SJ,Leijser LM,Wiggers-de Bruïne FT,van der Grond J,Walther FJ,van Wezel-Meijler G

更新日期：2009-07-01 00:00:00

abstract：PURPOSE:To evaluate characteristics of delayed ischemic stroke after stent-assisted coil placement in cerebral aneurysms and to determine the optimal duration of dual antiplatelet therapy for its prevention. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirem...

journal_title：Radiology

authors： Hwang G,Kim JG,Song KS,Lee YJ,Villavicencio JB,Suroto NS,Park NM,Park SJ,Jeong EA,Kwon OK

更新日期：2014-10-01 00:00:00

abstract：:Purpose To measure the levels of gadolinium present in the rat brain 1 and 20 weeks after dosing with contrast agent and to determine if there are any histopathologic sequelae. Materials and Methods The study was approved by the GE Global Research Center Institutional Animal Care and Use Committee. Absolute gadolinium...

journal_title：Radiology

authors： Smith AP,Marino M,Roberts J,Crowder JM,Castle J,Lowery L,Morton C,Hibberd MG,Evans PM

更新日期：2017-03-01 00:00:00

abstract：:Background MRI with fluorine 19 (19F) probes has shown an ability to track immune cell activity with a specific, stable, and quantitative signal. In addition, the chemical shift differences of selected 19F probes make dual-probe imaging possible. To improve 19F MRI sensitivity for dual-probe imaging, optimal fluorine ...

journal_title：Radiology

authors： Chirizzi C,De Battista D,Tirotta I,Metrangolo P,Comi G,Bombelli FB,Chaabane L

更新日期：2019-05-01 00:00:00

abstract：:Twenty-one children with acute leukemia received irradiation to the renal area for the following reasons: hypertension (2 patients); oliguria (5 patients); mass-related symptoms (5 patients); and as an adjuvant to supportive medical management in preventing renal failure (9 patients). All but 2 patients exhibited bone...

journal_title：Radiology

authors： Stoffel TJ,Nesbit ME,Levitt SH

更新日期：1975-12-01 00:00:00

abstract：:Exfoliative cytology of bile aspirated from percutaneously placed combined external/internal biliary drainage catheters yielded positive results in 34% of 100 cases. There were no false-positive results. Bile cytology is a simple, inexpensive, and useful method which can establish a diagnosis of malignant biliary obst...

journal_title：Radiology

authors： Muro A,Mueller PR,Ferrucci JT Jr,Taft PD

更新日期：1983-12-01 00:00:00

abstract：:Thirty-five patients with suspected internal derangements of the knee were examined with conventional two-dimensional (2D) spin-echo magnetic resonance (MR) imaging techniques and a new rapid three-dimensional (3D) method called 3D FASTER (field echo acquisition with a short repetition time and echo reduction). A 9-mi...

journal_title：Radiology

authors： Harms SE,Flamig DP,Fisher CF,Fulmer JM

更新日期：1989-12-01 00:00:00

abstract：:Empyema developing from retropharyngeal abscess is a rare complication. Two infants with clinical symptomatology and inital chest radiographic findings of pleural fluid which suggested the possibility of retrophoryngeal abscess are described. A child with submandibular and cervical abscesses is also reported; pleural ...

journal_title：Radiology

authors： Ramilo J,Harris VJ,White H

更新日期：1978-03-01 00:00:00

abstract：:An extremely rare occurrence of third-degree burns was induced in the medial calves of a male patient with unusual anatomy (after resection and radiation therapy of a liposarcoma) during conventional magnetic resonance (MR) imaging on a clinical 1.5-T MR system that operated without any external conductor present and ...

journal_title：Radiology

authors： Knopp MV,Essig M,Debus J,Zabel HJ,van Kaick G

更新日期：1996-08-01 00:00:00

abstract：:Renal allograft accumulation of Tc-99m sulfur colloid (TSC) was studied using visual assessment of scintigraphic displays and a quantitative temporal model in 210 examinations of 56 transplant recipients. The quantitative temporal model related the immediate pool of the radioagent in the transplant to the fixed allogr...

journal_title：Radiology

authors： George EA,Meyerovitz M,Codd JE,Fletcher JW,Donati RM

更新日期：1983-08-01 00:00:00

abstract：:Gastric polyps were found in 38 patients in a series of 2,420 consecutive double-contrast studies of the upper gastrointestinal tract. The resulting incidence of 1.6% is four times the highest figure previously reported. Single polyps were usually located in the antrum, multiple polyps in the body of fundus. Two-third...

journal_title：Radiology

authors： Gordon R,Laufer I,Kressel HY

更新日期：1980-01-01 00:00:00

abstract：:Enemas of various solutions were administered to rats to determine if Gastrografin was specifically irritating to the colonic mucosa. Gastrografin was found to cause considerably more inflammation than Hypaque-25, or barium sulfate. Further studies with hypertonic sorbitol, Renografin-76, and Tween 80 suggested that (...

journal_title：Radiology

authors： Lutzger LG,Factor SM

更新日期：1976-03-01 00:00:00

abstract：:Numerous plain chest radiographic signs previously described for the diagnosis of acute traumatic rupture of the thoracic aorta may be present in patients with or without such rupture. Displacement of an opaque nasogastric tube to the right (indicative of esophageal displacement) has been found to be the most reliable...

journal_title：Radiology

authors： Tisnado J,Tsai FY,Als A,Roach JF

更新日期：1977-12-01 00:00:00

abstract：:We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated i...

journal_title：Radiology

authors： Curnes JT,Vincent LM,Kowalsky RJ,McCartney WH,Staab EV

更新日期：1985-03-01 00:00:00

abstract：:The incidental radiation dose of lithium fluoride thermoluminescence dosimeters was recorded during 15 treatments of patients with auricular keloids. Two half-value layers were used, and the results were compared. In both instances, the homolateral lens and thyroid received twice the contralateral dose. The oropharynx...

journal_title：Radiology

authors： Fitzgerald RH Jr,Tuten TU,Fenn JO

更新日期：1982-08-01 00:00:00

abstract：PURPOSE:To evaluate the potential of anti-human epidermal growth factor receptor (HER)1- and anti-HER2-targeted radiolabeled antibodies and magnetic resonance (MR) imaging for imaging of orthotopic malignant pleural mesothelioma (MPM) in mouse models. MATERIALS AND METHODS:Animal studies with 165 mice were performed i...

journal_title：Radiology

authors： Nayak TK,Bernardo M,Milenic DE,Choyke PL,Brechbiel MW

更新日期：2013-04-01 00:00:00

abstract：:Institutional review board approval and written informed consent were obtained. The purpose of this study was to prospectively validate usefulness of diffusion-tensor (DT) fiber tractography of the corticospinal tract at 3-T magnetic resonance imaging, in combination with the subcortical motor-evoked potential (MEP) t...

journal_title：Radiology

authors： Okada T,Mikuni N,Miki Y,Kikuta K,Urayama S,Hanakawa T,Fushimi Y,Yamamoto A,Kanagaki M,Fukuyama H,Hashimoto N,Togashi K

更新日期：2006-09-01 00:00:00

abstract：:To standardize femur measurement for the identification of fetuses at risk for Down syndrome, sonographers of varying professional experience and background measured the femurs of 20 Down syndrome fetuses and 709 normal control fetuses. A regression analysis performed to compare biparietal diameter to femur length on ...

journal_title：Radiology

authors： Benacerraf BR,Cnann A,Gelman R,Laboda LA,Frigoletto FD Jr

更新日期：1989-11-01 00:00:00

abstract：:Quantitative microstructural sonography differs from conventional sonography in several ways. The frequency as well as the amplitude of echoes is recorded and assessed using spectral analysis techniques. The effects of diffraction of the ultrasound beam are calibrated, as are the transfer characteristics of the system...

journal_title：Radiology

authors： King DL,Lizzi FL,Feleppa EJ,Wai PM,Yaremko MM,Rorke MC,Herbst J

更新日期：1985-05-01 00:00:00

abstract：:Background Intracranial atherosclerosis is an important cause of ischemic stroke and is associated with several vascular risk factors. Current imaging is mainly based on the assessment of luminal narrowing rather than abnormalities in the vessel wall. Purpose To investigate the relationship between vascular risk facto...

journal_title：Radiology

authors： Lindenholz A,van der Kolk AG,van der Schaaf IC,van der Worp HB,Harteveld AA,Dieleman N,Bots ML,Hendrikse J

更新日期：2020-04-01 00:00:00

abstract：:In a series of nine stereotaxic large-core biopsies of calcifications, radiography of the specimen was used to ensure that appropriate tissue was removed. In eight cases, calcifications were evident at radiography as well as at histologic evaluation. Four cases were malignant and four were benign, and in one case in w...

journal_title：Radiology

authors： Meyer JE,Lester SC,Frenna TH,White FV

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To describe thin-section pulmonary computed tomographic (CT) features in asymptomatic elderly individuals. MATERIALS AND METHODS:Institutional review board approval was given, and informed consent was obtained. Two study groups (older group, over 75 years of age; younger group, under 55 years) were prospective...

journal_title：Radiology

authors： Copley SJ,Wells AU,Hawtin KE,Gibson DJ,Hodson JM,Jacques AE,Hansell DM

更新日期：2009-05-01 00:00:00

abstract：PURPOSE:To evaluate the repeatability of quantitative computed tomographic (CT) indexes of emphysema and the effect of spirometric gating of lung volume during CT in candidates for lung volume reduction surgery (LVRS). MATERIALS AND METHODS:Initial and same-day repeat routine inspiratory spiral chest CT studies were p...

journal_title：Radiology

authors： Gierada DS,Yusen RD,Pilgram TK,Crouch L,Slone RM,Bae KT,Lefrak SS,Cooper JD

更新日期：2001-08-01 00:00:00

abstract：PURPOSE:To evaluate endoanal magnetic resonance (MR) imaging in the assessment of anovaginal fistulas and associated findings. MATERIALS AND METHODS:In a retrospective descriptive study, two radiologists systematically reviewed MR findings in 20 patients with a clinically proved anovaginal fistula and looked for the m...

journal_title：Radiology

authors： Dwarkasing S,Hussain SM,Hop WC,Krestin GP

更新日期：2004-04-01 00:00:00

abstract：PURPOSE:To explore the association between diffuse excessive high signal intensity (DEHSI), punctate white matter (WM) lesions, and ventricular dilatation around term-equivalent age (TEA) and at clinical follow-up at 2 years in very preterm infants and the effect on neurodevelopment. MATERIALS AND METHODS:Ethical appr...

journal_title：Radiology

authors： de Bruïne FT,van den Berg-Huysmans AA,Leijser LM,Rijken M,Steggerda SJ,van der Grond J,van Wezel-Meijler G

更新日期：2011-12-01 00:00:00

abstract：PURPOSE:To determine the prevalence and severity of tracheomalacia in adults with cystic fibrosis (CF) by using dynamic cine multidetector computed tomography (CT) and to correlate these findings with pulmonary function test (PFT) results and the severity of parenchymal lung disease. MATERIALS AND METHODS:In this inst...

journal_title：Radiology

authors： McDermott S,Barry SC,Judge EP,Collins S,de Jong PA,Tiddens HA,McKone EF,Gallagher CC,Dodd JD

更新日期：2009-08-01 00:00:00

abstract：:In an effort to minimize distortion and artifacts on magnetic resonance images obtained with electrocardiographic (ECG) gating, the authors tested the use of ECG electrodes and leads made of carbon fiber. These materials caused no image degradation and, because the leads were reinforced with plastic, were less vulnera...

journal_title：Radiology

authors： van Genderingen HR,Sprenger M,de Ridder JW,van Rossum AC

更新日期：1989-06-01 00:00:00