abstract：OBJECTIVES:A national study on patient dose values in interventional radiology and cardiology was performed in order to assess current practice in Bulgaria, to estimate the typical patient doses and to propose reference levels for the most common procedures. METHODS:Fifteen units and more than 1,000 cases were include...

journal_title：European radiology

authors： Zotova R,Vassileva J,Hristova J,Pirinen M,Järvinen H

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVE:To model the uptake phase of T(1)-weighted DCE-MRI data in normal kidneys and to demonstrate that the fitted physiological parameters correlate with published normal values. METHODS:The model incorporates delay and broadening of the arterial vascular peak as it appears in the capillary bed, two distinct comp...

journal_title：European radiology

authors： Tofts PS,Cutajar M,Mendichovszky IA,Peters AM,Gordon I

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVES:To evaluate the effect of hybrid iterative reconstruction on qualitative and quantitative parameters at 256-slice cardiac CT. METHODS:Prospective cardiac CT images from 20 patients were analysed. Paired image sets were created using 3 reconstructions, i.e. filtered back projection (FBP) and moderate- and hi...

journal_title：European radiology

authors： Utsunomiya D,Weigold WG,Weissman G,Taylor AJ

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVES:To investigate the diagnostic accuracy, through quantitative analysis, of contrast-enhanced ultrasound (CEUS), using a microbubble contrast agent, in the differentiation of thyroid nodules. METHODS:This prospective study enrolled 46 patients with solitary, scintigraphically non-functional thyroid nodules. T...

journal_title：European radiology

authors： Nemec U,Nemec SF,Novotny C,Weber M,Czerny C,Krestan CR

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVES:To compare Magnetic Resonance (MR) and Computed Tomography (CT) for the assessment of left (LV) and right (RV) ventricular functional parameters. METHODS:Seventy nine patients underwent both Cardiac CT and Cardiac MR. Images were acquired using short axis (SAX) reconstructions for CT and 2D cine b-SSFP (bal...

journal_title：European radiology

authors： Maffei E,Messalli G,Martini C,Nieman K,Catalano O,Rossi A,Seitun S,Guaricci AI,Tedeschi C,Mollet NR,Cademartiri F

更新日期：2012-05-01 00:00:00

abstract：OBJECTIVE:Our two-centre prospective study evaluates the usefulness of 64-slice coronary computed tomography (CCT) to rule out significant coronary artery stenosis in patients admitted in emergency departments (ED) for acute coronary syndromes (ACS) with low-to-intermediate risk score. METHODS:Patients (175) admitted ...

journal_title：European radiology

authors： Christiaens L,Duchat F,Boudiaf M,Tasu JP,Fargeaudou Y,Ledref O,Soyer P,Sirol M

更新日期：2012-05-01 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:The SteatoTest, fatty liver index (FLI) and hepatic steatosis index (HSI) are clinico-biological scores of steatosis validated in general or selected populations. Serum adiponectin (s-adiponectin) and retinol binding protein 4 (s-RBP4) are adipokines that could predict liver steatosis. We investigated whethe...

journal_title：European radiology

authors： Guiu B,Crevisy-Girod E,Binquet C,Duvillard L,Masson D,Lepage C,Hamza S,Krausé D,Verges B,Minello A,Cercueil JP,Hillon P,Petit JM

更新日期：2012-04-01 00:00:00

abstract：OBJECTIVE:To determine the value of perfusion computed tomography (CT-p) in the quantitative assessment of tumour-related neoangiogenesis processes in patients with hepatocellular carcinoma (HCC). MATERIALS AND METHODS:Fifty-two biopsy proven HCC lesions were examined with dynamic CT investigations during injection of...

journal_title：European radiology

authors： Ippolito D,Capraro C,Casiraghi A,Cestari C,Sironi S

更新日期：2012-04-01 00:00:00

abstract：OBJECTIVES:To review the role of imaging in the diagnosis of recurrent disease in previously treated non-small cell lung cancer (NSCLC) and discuss the imaging pitfalls. METHODS:A comprehensive review of published literature on CT and PET imaging of NSCLC recurrence was performed. Diagnostic and prognostic values are ...

journal_title：European radiology

authors： Caulo A,Mirsadraee S,Maggi F,Leccisotti L,van Beek EJ,Bonomo L

更新日期：2012-03-01 00:00:00

abstract：OBJECTIVE:To assess the accuracy, the duration and factors that influence the duration of MRI-guided liver or soft-tissue biopsies. METHODS:Nineteen liver biopsies and 19 soft-tissue biopsies performed using 1.5T-MRI guidance were retrospectively analysed. Diagnostic performance and complications were assessed. Interv...

journal_title：European radiology

authors： Hoffmann R,Thomas C,Rempp H,Schmidt D,Pereira PL,Claussen CD,Clasen S

更新日期：2012-03-01 00:00:00

abstract：OBJECTIVE:To identify which breast lesion descriptors in the ACR BI-RADS® MRI lexicon are most strongly associated with the diagnosis of breast cancer when performing breast MR imaging at 3 T. METHODS:150 patients underwent breast MR imaging at 3 T. Lesion size, morphology and enhancement kinetics were assessed accord...

journal_title：European radiology

authors： Pinker-Domenig K,Bogner W,Gruber S,Bickel H,Duffy S,Schernthaner M,Dubsky P,Pluschnig U,Rudas M,Trattnig S,Helbich TH

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVES:Magnetic resonance imaging (MRI) acquired on equipment capable of simultaneous MRI and positron emission tomography (PET) could potentially provide the gold standard method for motion correction of PET. To assess the latter, in this study we compared fast 2D and 3D MRI of the torso and used deformation param...

journal_title：European radiology

authors： Dikaios N,Izquierdo-Garcia D,Graves MJ,Mani V,Fayad ZA,Fryer TD

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVES:To present the results of biopsy and computed tomography (CT) guided radiofrequency ablation (RFA) for non-spinal osteoid osteomas, and compare the results before and after procedural modifications. METHODS:We retrospectively studied 557 patients with non-spinal osteoid osteomas treated with biopsy and CT-g...

journal_title：European radiology

authors： Rimondi E,Mavrogenis AF,Rossi G,Ciminari R,Malaguti C,Tranfaglia C,Vanel D,Ruggieri P

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVES:To develop a non-invasive MRI method for evaluation of liver fibrosis, with histological analysis as the reference standard. METHODS:The study protocol was approved by the Institutional Review Board for Human Studies of our hospital, and written informed consent was obtained from all subjects. Seventy-nine ...

journal_title：European radiology

authors： Chen BB,Hsu CY,Yu CW,Wei SY,Kao JH,Lee HS,Shih TT

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVES:To retrospectively assess the utility of semi-automated measurements by stratification of CT values of tumour size, CT value and doubling time (DT) using thin-section computed tomography (CT) images. The post-surgical outcomes of favourable and problematic tumours (more advanced p stage than IA, post-surgica...

journal_title：European radiology

authors： Sone S,Hanaoka T,Ogata H,Takayama F,Watanabe T,Haniuda M,Kaneko K,Kondo R,Yoshida K,Honda T

更新日期：2012-01-01 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：OBJECTIVE:To compare the sensitivity, specificity, and diagnostic accuracy of fat-only datasets reconstructed using a two-point Dixon technique, with corresponding opposed-phase (OP) and in-phase (IP) datasets for characterization of adrenal lesions at 3 Tesla (T). METHODS:Fifty-nine patients (21 male, 38 female) with...

journal_title：European radiology

authors： Marin D,Dale BM,Bashir MR,Ziemlewicz TJ,Ringe KI,Boll DT,Merkle EM

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVE:To develop a visual rating scale for posterior atrophy (PA) assessment and to analyse whether this scale aids in the discrimination between Alzheimer's disease (AD) and other dementias. METHODS:Magnetic resonance imaging of 118 memory clinic patients were analysed for PA (range 0-3), medial temporal lobe atr...

journal_title：European radiology

authors： Koedam EL,Lehmann M,van der Flier WM,Scheltens P,Pijnenburg YA,Fox N,Barkhof F,Wattjes MP

更新日期：2011-12-01 00:00:00

abstract：:The potential for low dose computed tomography (LDCT) to act as an effective tool in screening for lung cancer is currently the subject of several randomised control trials. It has recently been given prominence by interim results released by the North American National Lung Screening Trial (NLST). Several other trial...

journal_title：European radiology

authors： Nair A,Hansell DM

更新日期：2011-12-01 00:00:00

abstract：OBJECTIVES:To clarify the changes in organic anion-transporting polypeptide 8 (OATP8) expression and enhancement ratio on gadoxetic acid-enhanced MR imaging in hepatocellular nodules during multistep hepatocarcinogenesis. METHODS:In imaging analysis, we focused on 71 surgically resected hepatocellular carcinomas (well...

journal_title：European radiology

authors： Kitao A,Matsui O,Yoneda N,Kozaka K,Shinmura R,Koda W,Kobayashi S,Gabata T,Zen Y,Yamashita T,Kaneko S,Nakanuma Y

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVES:To evaluate the accuracy of high-pitch delayed enhancement (DE) CT for the assessment of myocardial viability with MRI as the reference standard. METHODS:Twenty-four patients (mean age 66.9 ± 9.2 years) with coronary artery disease underwent DE imaging with 128-slice dual-source CT (prospective electrocardi...

journal_title：European radiology

authors： Goetti R,Feuchtner G,Stolzmann P,Donati OF,Wieser M,Plass A,Frauenfelder T,Leschka S,Alkadhi H

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVES:To evaluate Estimated Glomerular Filtration Rate (eGFR), using the Modification of Diet in Renal Disease equation, and compare with radionuclide GFR (rGFR) in a Radiology setting to assess renal function prior to contrast administration. METHODS:Five hundred and sixteen retrospective rGFR studies from a mix...

journal_title：European radiology

authors： Craig AJ,Britten A,Heenan SD,Irwin AG

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVES:To determine whether changes in ADC of bone metastases secondary to prostate carcinoma are significantly different in responders compared with progressors on chemotherapy. METHODS:Twenty-six patients with known bone metastases secondary to prostate carcinoma underwent diffusion-weighted MRI of the lumbar sp...

journal_title：European radiology

authors： Messiou C,Collins DJ,Giles S,de Bono JS,Bianchini D,de Souza NM

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVE:Nearly all reported parathyroid cancers are >15 mm at presentation. The objective was to identify ultrasound criteria of malignancy in parathyroid lesions of >15 mm in size. MATERIALS AND METHODS:This study was approved by a local ethics committee. A retrospective review of patients identified from a databas...

journal_title：European radiology

authors： Sidhu PS,Talat N,Patel P,Mulholland NJ,Schulte KM

更新日期：2011-09-01 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:The study aims were to identify CT features that predict outcome of fibrotic idiopathic interstitial pneumonia (IIP) when information from lung biopsy data is unavailable. METHODS:HRCTs of 146 consecutive patients presenting with fibrotic IIP were studied. Visual estimates were made of the extent of abnorma...

journal_title：European radiology

authors： Edey AJ,Devaraj AA,Barker RP,Nicholson AG,Wells AU,Hansell DM

更新日期：2011-08-01 00:00:00

abstract：OBJECTIVES:To predict the probability of malignancy for MRI-detected breast lesions with a multivariate model incorporating patient and lesion characteristics. METHODS:Retrospective review of 2565 breast MR examinations from 1/03-11/06. BI-RADS 3, 4 and 5 lesions initially detected on MRI for new cancer or high-risk s...

journal_title：European radiology

authors： Demartini WB,Kurland BF,Gutierrez RL,Blackmore CC,Peacock S,Lehman CD

更新日期：2011-08-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to assess the performance and diagnostic value of a dual energy CT approach to reduce metal artefacts in subjects with metallic implants. METHODS:31 patients were examined in the area of their metallic implants using a dual energy CT protocol (filtered 140 kVp and 100 kVp spectrum, t...

journal_title：European radiology

authors： Bamberg F,Dierks A,Nikolaou K,Reiser MF,Becker CR,Johnson TR

更新日期：2011-07-01 00:00:00

abstract：OBJECTIVES:To investigate image quality of triple-rule-out (TRO) computed tomography (CT) using a 320-row-detector CT system with substantially reduced contrast medium volume at 100 kV. METHODS:Forty-six consecutive patients with noncritical, acute chest pain underwent 320-row-detector CT using a two-step TRO protocol...

journal_title：European radiology

authors： Durmus T,Rogalla P,Lembcke A,Mühler MR,Hamm B,Hein PA

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To evaluate the effect of CT perfusion (CTp) protocol modifications on quantitative perfusion parameters, radiation dose and data processing time. MATERIALS & METHODS:CTp datasets of 30 patients (21M:9F) with rectal (n = 24) or retroperitoneal (n = 6) tumours were studied. Standard CTp protocol included 50 sec...

journal_title：European radiology

authors： Kambadakone AR,Sharma A,Catalano OA,Hahn PF,Sahani DV

更新日期：2011-06-01 00:00:00

abstract：OBJECTIVE:The complexity of anatomical structure within the breast represents the ultimate limit to signal detection on a mammogram. To increase lesion conspicuity Digital Breast Tomosynthesis (DBT) has been recently proposed and several manufacturers are currently performing clinical trials. In this study we investiga...

journal_title：European radiology

authors： Vecchio S,Albanese A,Vignoli P,Taibi A

更新日期：2011-06-01 00:00:00

abstract：OBJECTIVE:To explore the predictive value of MRI parameters and tumour characteristics before neoadjuvant chemotherapy (NAC) and to compare changes in tumour size and tumour apparent diffusion coefficient (ADC) during treatment, between patients who achieved pathological complete response (pCR) and those who did not. ...

journal_title：European radiology

authors： Fangberget A,Nilsen LB,Hole KH,Holmen MM,Engebraaten O,Naume B,Smith HJ,Olsen DR,Seierstad T

更新日期：2011-06-01 00:00:00

abstract：OBJECTIVE:To design clear guidelines for the staging and follow-up of patients with uterine cervical cancer, and to provide the radiologist with a framework for use in multidisciplinary conferences. METHODS:Guidelines for uterine cervical cancer staging and follow-up were defined by the female imaging subcommittee of ...

journal_title：European radiology

authors： Balleyguier C,Sala E,Da Cunha T,Bergman A,Brkljacic B,Danza F,Forstner R,Hamm B,Kubik-Huch R,Lopez C,Manfredi R,McHugo J,Oleaga L,Togashi K,Kinkel K

更新日期：2011-05-01 00:00:00

abstract：OBJECTIVE:To retrospectively compare semi-automated and manual volume measurements of malignant liver tumours and inter- and intra-observer variability using commercially available software. METHODS:This study was performed on 60 consecutive patients with untreated liver metastases (30) and HCCs (30), i.e. 92 lesions ...

journal_title：European radiology

authors： Dubus L,Gayet M,Zappa M,Abaleo L,De Cooman A,Orieux G,Vilgrain V

更新日期：2011-05-01 00:00:00

abstract：OBJECTIVE:To compare the diagnostic performance of full-field digital mammography (FFDM) with screen-film mammography (SFM) in a corporate screening programme including younger women. METHODS:Data were available on 14,946 screening episodes, 5010 FFDM and 9936 SFM. Formal analysis was by logistic regression, adjusting...

journal_title：European radiology

authors： Perry NM,Patani N,Milner SE,Pinker K,Mokbel K,Allgood PC,Duffy SW

更新日期：2011-04-01 00:00:00

abstract：OBJECTIVE:Quantification of tumour burden in oncology requires accurate and reproducible evaluation. The current standard is RECIST measurement with its inherent disadvantages. Volumetric analysis is an alternative for therapy monitoring. The aim of this study was to evaluate the feasibility of volumetric analysis of l...

journal_title：European radiology

authors： Fabel M,Bolte H,von Tengg-Kobligk H,Bornemann L,Dicken V,Delorme S,Kauczor HU,Heller M,Biederer J

更新日期：2011-04-01 00:00:00

abstract：OBJECTIVE:To test the feasibility of fat-selective GRE imaging using a spectral-spatial excitation technique for determination of intrahepatic lipid content (IHL) in obese adolescents. METHODS:Fat-selective MR imaging (1.5 T) was applied to record a single axial slice through a representative liver region within a sin...

journal_title：European radiology

authors： Springer F,Ehehalt S,Sommer J,Ballweg V,Machann J,Binder G,Claussen CD,Schick F,DISKUS-Study Group.

更新日期：2011-04-01 00:00:00

abstract：OBJECTIVE:To investigate dual-energy CT of hypervascular liver lesions in patients with HCC. METHODS:Forty patients with hepatocellular carcinomas were investigated with abdominal dual-energy CT. In each patient unenhanced and contrast-enhanced imaging with arterial und portovenous delay were performed. Hypervascular ...

journal_title：European radiology

authors： Altenbernd J,Heusner TA,Ringelstein A,Ladd SC,Forsting M,Antoch G

更新日期：2011-04-01 00:00:00

abstract：OBJECTIVES:To evaluate the frequency of diagnosis of high-risk lesions at MRI-guided vacuum-assisted breast biopsy (MRgVABB) and to determine whether underestimation may be predicted. METHODS:Retrospective review of the medical records of 161 patients who underwent MRgVABB was performed. The underestimation rate was d...

journal_title：European radiology

authors： Crystal P,Sadaf A,Bukhanov K,McCready D,O'Malley F,Helbich TH

更新日期：2011-03-01 00:00:00