Accuracy of helical CT for acute pulmonary embolism: ROC analysis of observer performance related to clinical experience.

abstract：:The aim of this study was to assess the potential of high-speed interleaved echo-planar imaging (EPI) to achieve diagnostic image quality comparable to T2-weighted imaging in patients with brain tumors. Seventeen patients with intra-axial, supratentorial tumors (10 untreated gliomas, 7 radiated gliomas) were investiga...

journal_title：European radiology

authors： Brüning R,Seelos K,Yousry T,Scheidler J,Exner H,Porn U,Reiser M,Rosen BR

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVES:We describe 64 foetuses with cortical formation abnormalities (CFA) who had two in utero magnetic resonance (iuMR) exams, paying particular detail to those in which the original classification of CFA category changed between the two studies. The goal was to attempt to quantify the value of third-trimester fo...

journal_title：European radiology

authors： Griffiths PD,Severino M,Jarvis D,Mandefield L,Parazzini C,Pinelli L,Di Maurizio M,Triulzi F,Scola E,Conte G,Palumbo G,Genovese M,Rossi A,Guerrini R,Righini A

更新日期：2020-09-04 00:00:00

abstract：:Our objective was to evaluate, in a routine clinical setting, the role of spiral CT as a second procedure in patients with clinically suspected pulmonary embolism (PE) and abnormal perfusion scan. We prospectively studied the role of spiral CT in 279 patients suspected of PE. All patients started their diagnostic algo...

journal_title：European radiology

authors： van Strijen MJ,de Monyé W,Kieft GJ,Pattynama PM,Huisman MV,Smith SJ,Bloem JL

更新日期：2003-07-01 00:00:00

abstract：OBJECTIVE:Clinical hepatic diffusion weighted imaging (DWI) generally relies on mono-exponential diffusion. The aim was to demonstrate that mono-exponential diffusion in the liver is contaminated by microperfusion and that the bi-exponential model is required. METHODS:Nineteen fasting healthy volunteers were examined ...

journal_title：European radiology

authors： Dijkstra H,Baron P,Kappert P,Oudkerk M,Sijens PE

更新日期：2012-04-01 00:00:00

abstract：OBJECTIVES:To evaluate the outcomes of re-exposure to low-osmolar iodinated contrast medium (LOCM) in patients with a history of moderate-to-severe hypersensitivity reaction (HSR). METHODS:We retrospectively evaluated a cohort comprising all subjects satisfying the following conditions at 11 centres: (1) experienced a...

journal_title：European radiology

authors： Park HJ,Park JW,Yang MS,Kim MY,Kim SH,Jang GC,Nam YH,Kim GW,Kim S,Park HK,Jung JW,Park JS,Kang HR

更新日期：2017-07-01 00:00:00

abstract：OBJECTIVES:To assess feasibility, image quality, and radiation dose of prospectively ECG-triggered coronary CT angiography (CTA) in orthotopic heart transplant (OHT) recipients. METHODS:47 consecutive OHT recipients (40 men, mean age 62.1 ± 10.9 years, mean heart rate 86.3 ± 14.4 bpm) underwent dual-source CTA to rule...

journal_title：European radiology

authors： Bastarrika G,Broncano J,Arraiza M,Azcárate PM,Simon-Yarza I,Levy Praschker BG,Pueyo JC,Zubieta JL,Rabago G

更新日期：2011-09-01 00:00:00

abstract：OBJECTIVES:This survey conducted by the International Society of Radiology and supported by the European Society of Radiology aimed to collect information regarding radiology departments' current practices in the management of patients with COVID-19. METHODS:Responses from 50 radiology departments involved in the mana...

journal_title：European radiology

authors： Blažić I,Brkljačić B,Frija G

更新日期：2020-09-17 00:00:00

abstract：PURPOSE:To evaluate the epidemiology of systematic reviews (SRs) published in imaging journals. METHODS:A MEDLINE search identified SRs published in imaging journals from 1 January 2000-31 December 2016. Articles retrieved were screened against inclusion criteria. Demographic and methodological characteristics were ex...

journal_title：European radiology

authors： Alabousi M,Alabousi A,McGrath TA,Cobey KD,Budhram B,Frank RA,Nguyen F,Salameh JP,Dehmoobad Sharifabadi A,McInnes MDF

更新日期：2019-02-01 00:00:00

abstract：:This study addressed the use of 3D MR angiography with flip angles (FAs) linearly varying across the excitation volume in order to diminish spin saturation. The shape of the ramp profile was varied to optimize the method for different regions and pathological alterations. Radio frequency pulses with ramp-shaped excita...

journal_title：European radiology

authors： Martos J,Nägele T,Klose U,Petersen D,Voigt K

更新日期：1996-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the technical feasibility of MR-guided percutaneous breast biopsy (LCNB) and breast hook wire marking in a low-field (0.23 T) MRI system with optical instrument tracking. MR-guided core biopsy and/or hook wire marking was performed on 13 lesions observable at MR imaging only. ...

journal_title：European radiology

authors： Sequeiros RB,Reinikainen H,Sequeiros AM,Vaara T,Ojala R,Pääkkö E,Tervonen O

更新日期：2007-03-01 00:00:00

abstract：OBJECTIVE:To assess the heterogeneity of liver fat deposition with MR of the liver in type-2 diabetic (T2D) patients. METHODS:We enrolled 121 consecutive T2D patients. The reference standard was 3.0-T (1)H-MR spectroscopy. Hepatic steatosis was defined as liver fat content (LFC) ≥5.56 %. A triple-echo gradient-echo se...

journal_title：European radiology

authors： Capitan V,Petit JM,Aho S,Lefevre PH,Favelier S,Loffroy R,Hillon P,Krausé D,Cercueil JP,Guiu B

更新日期：2012-10-01 00:00:00

abstract：:The appearance of hepatocellular carcinoma (HCC) with contrast-enhanced ultrasound (CEUS) in the vascular phase is described and evaluated as to whether the enhancement pattern correlates with the degree of cellular differentiation. One hundred four HCCs were prospectively evaluated with CEUS using coherent-contrast i...

journal_title：European radiology

authors： Nicolau C,Catalá V,Vilana R,Gilabert R,Bianchi L,Solé M,Pagés M,Brú C

更新日期：2004-06-01 00:00:00

abstract：:The purpose of this study was to assess the prevalence of lung cancer in a high-risk asbestos-exposed cohort using low-dose MDCT. Of a population of 5,389 former power-plant workers, 316 were characterized as individuals at highest risk for lung cancer according to a lung-cancer risk model including age, asbestos expo...

journal_title：European radiology

authors： Das M,Mühlenbruch G,Mahnken AH,Hering KG,Sirbu H,Zschiesche W,Knoll L,Felten MK,Kraus T,Günther RW,Wildberger JE

更新日期：2007-05-01 00:00:00

abstract：:Uterus didelphys with obstructed hemivagina and ipsilateral renal agenesis is a rare and specific entity referred to as Herlyn-Werner-Wunderlich syndrome. It usually presents after menarche with remittent pelvic pain and a palpable pelvic mass due to hematocolpos. It rarely presents with primary infertility in early a...

journal_title：European radiology

authors： Sarac A,Demir MK

更新日期：2009-05-01 00:00:00

abstract：:Adenocarcinoma is the most common malignant pancreatic tumor, affecting the head of the pancreas in 60-70% of cases. By the time of diagnosis, at least 80% of tumors are unresectable. Helical computed tomography (CT) is very effective in detecting and staging adenocarcinoma, with a sensitivity of up to 90% for detecti...

journal_title：European radiology

authors： Schima W,Ba-Ssalamah A,Kölblinger C,Kulinna-Cosentini C,Puespoek A,Götzinger P

更新日期：2007-03-01 00:00:00

abstract：:How contrast medium-induced nephropathy (CIN) comes about is not fully understood, although CIN constitutes a leading cause of renal failure. Here, a short review of clinical trials and a more thorough outline of mechanisms thought to cause CIN are outlined. Osmolality is only one of several physicochemical properties...

journal_title：European radiology

authors： Persson PB

更新日期：2005-11-01 00:00:00

abstract：:The purpose was to evaluate whether B-flow can improve the ultrasonographic diagnosis of preocclusive stenosis and occlusion of the internal carotid artery (ICA) compared with colour-coded Doppler and power Doppler. Ninety patients with occlusions or preocclusive stenoses of the ICA suspected by Doppler sonography wer...

journal_title：European radiology

authors： Jung EM,Kubale R,Ritter G,Gallegos MT,Jungius KP,Rupp N,Clevert DA

更新日期：2007-02-01 00:00:00

abstract：:In oral carcinomas close to the mandible, tumour invasion of the mandible is important in selecting segmental or marginal resection. Imaging may play a role in assessing tumour invasion. This study compares the accuracy of panoramic X-ray, CT and MR imaging in assessing invasion of the mandible in 29 patients. At hist...

journal_title：European radiology

authors： van den Brekel MW,Runne RW,Smeele LE,Tiwari RM,Snow GB,Castelijns JA

更新日期：1998-01-01 00:00:00

abstract：:The aim of this study was to find out by radiological analysis whether it is possible to prevent interval cancers in screening programmes without a concomitant increase in false positives. Re-scrutiny of all mammograms of 544 interval cancers was implemented. Blinded re-scrutiny of screening mammograms of 390 interval...

journal_title：European radiology

authors： Vitak B

更新日期：1998-01-01 00:00:00

abstract：:Though long considered unlikely because of the resonance pattern of agents such as SonoVue, high frequency applications for small parts and intracavitary applications now seem very promising. Excellent non-linear signals can be obtained at 7 MHz and higher using recently developed CPS software, and preliminary results...

journal_title：European radiology

authors： Cosgrove D

更新日期：2004-10-01 00:00:00

abstract：OBJECTIVE:Coronary angiography using multidetector computed tomography (MDCT) allows non-invasive assessment of non-calcified, calcified and mixed plaques. Progression of coronary plaques may be influenced by statins. METHODS:Sixty-three consecutive patients underwent MDCT as a follow-up to their original CT angiograp...

journal_title：European radiology

authors： Hoffmann H,Frieler K,Schlattmann P,Hamm B,Dewey M

更新日期：2010-12-01 00:00:00

abstract：OBJECTIVES:Contrast-enhanced spectral mammography (CESM) is a novel method for breast cancer detection. The aim of this study is to check if there is a possibility of quantitative assessment of contrast enhancement in CESM and if there is any correlation between quantitative assessment of contrast enhancement in CESM a...

journal_title：European radiology

authors： Rudnicki W,Heinze S,Niemiec J,Kojs Z,Sas-Korczynska B,Hendrick E,Luczynska E

更新日期：2019-11-01 00:00:00

abstract：OBJECTIVES:To compare the three-dimensional (3D)-fast spin-echo (FSE)-Cube with a conventional imaging protocol in evaluation of dacryostenosis. METHODS:Thirty-three patients with epiphora underwent examinations using Cube magnetic resonance dacryocystography (MRD) and a conventional protocol, which included 3D fast-r...

journal_title：European radiology

authors： Zhang J,Chen L,Wang QX,Liu R,Zhu WZ,Luo X,Peng L,Xiong W

更新日期：2015-03-01 00:00:00

abstract：OBJECTIVES:To compare radiation doses in cone beam computed tomography (CBCT) with those of multi-detector computed tomography (MDCT) using manufacturers' standard protocols. METHODS:Dose-levels in head and abdominal imaging were evaluated using a dosimetric phantom. Effective dose estimates were performed by placing ...

journal_title：European radiology

authors： Kwok YM,Irani FG,Tay KH,Yang CC,Padre CG,Tan BS

更新日期：2013-11-01 00:00:00

abstract：OBJECTIVES:To investigate the added diagnostic value of arterial spin labelling (ASL) and diffusion tensor imaging (DTI) to structural MRI for computer-aided classification of Alzheimer's disease (AD), frontotemporal dementia (FTD), and controls. METHODS:This retrospective study used MRI data from 24 early-onset AD an...

journal_title：European radiology

authors： Bron EE,Smits M,Papma JM,Steketee RME,Meijboom R,de Groot M,van Swieten JC,Niessen WJ,Klein S

更新日期：2017-08-01 00:00:00

abstract：:The CT and MR appearance of giant cavernous hemangiomas can be confusing, and some atypical radiographic findings have been described. We report the CT and MR features of a giant cavernous hemangioma of the liver with atypical presentation. CT showed a large hypodense geographical lesion involving the majority of the ...

journal_title：European radiology

authors： Valls C,Reñe M,Gil M,Sanchez A,Narvaez JA,Hidalgo F

更新日期：1996-01-01 00:00:00

abstract：OBJECTIVES:Olfactory dysfunction in Parkinson's disease is usually prodromal to other symptoms. In this study, we aimed to explore the association of olfactory function with the availabilities of striatal dopamine transporter (DAT) in healthy subjects. METHODS:Data used in the preparation of this article were obtained...

journal_title：European radiology

authors： Pak K,Kim K,Lee MJ,Lee JM,Kim BS,Kim SJ,Kim IJ

更新日期：2018-04-01 00:00:00

abstract：OBJECTIVE:To test a digital imaging X-ray device based on the direct capture of X-ray photons with pixel detectors, which are coupled with photon-counting readout electronics. METHODS:The chip consists of a matrix of 256 × 256 pixels with a pixel pitch of 55 μm. A monolithic image of 11.2 cm × 7 cm was obtained by the...

journal_title：European radiology

authors： Gruber M,Homolka P,Chmeissani M,Uffmann M,Pretterklieber M,Kainberger F

更新日期：2012-01-01 00:00:00

abstract：:The purpose of the study was to evaluate the CT abnormalities of airways and lung parenchyma in asthmatic patients and to assess inter- and intraobserver variability for these abnormalities. The CT scans of 50 asthmatic patients and 10 healthy volunteers were assessed independently by four independent chest radiologis...

journal_title：European radiology

authors： Grenier P,Mourey-Gerosa I,Benali K,Brauner MW,Leung AN,Lenoir S,Cordeau MP,Mazoyer B

更新日期：1996-01-01 00:00:00

abstract：:The aim of this study was to depict and characterize inflammatory soft tissue proliferations caused by rheumatoid arthritis (RA) in the craniocervical region by unenhanced and contrast-enhanced CT. Computed tomography of the craniocervical region was performed in 35 patients in the axial plane before and after the i.v...

journal_title：European radiology

authors： Czerny C,Grampp S,Henk CB,Neuhold A,Stiskal M,Smolen J

更新日期：2000-01-01 00:00:00