Effective dose estimates for cone beam computed tomography in interventional radiology.

abstract：OBJECTIVES:To analyse the diagnostic accuracy and to establish a predictive score based on diffusion-weighted magnetic resonance imaging (DWMRI) compared to exploratory laparotomy (EL) for predicting suboptimal cytoreductive surgery for different intra-abdominal sites of implants in patients with ovarian cancer. METHO...

journal_title：European radiology

authors： Espada M,Garcia-Flores JR,Jimenez M,Alvarez-Moreno E,De Haro M,Gonzalez-Cortijo L,Hernandez-Cortes G,Martinez-Vega V,Sainz De La Cuesta R

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVES:To compare treatment outcomes of subcentimeter hypervascular nodules at high risk for developing into hepatocellular carcinomas (SHNHR) between early treatment and watchful waiting until progression to overt hepatocellular carcinoma (HCC) groups. METHODS:SHNHRs were defined as subcentimeter hypervascular no...

journal_title：European radiology

authors： Woo JH,Song KD,Kim SH

更新日期：2017-10-01 00:00:00

abstract：OBJECTIVES:To describe a randomized controlled trial (RCT) of digital breast tomosynthesis including synthesized two-dimensional mammograms (DBT) versus digital mammography (DM) in a population-based screening program for breast cancer and to compare selected secondary screening outcomes for the two techniques. METHOD...

journal_title：European radiology

authors： Aase HS,Holen ÅS,Pedersen K,Houssami N,Haldorsen IS,Sebuødegård S,Hanestad B,Hofvind S

更新日期：2019-03-01 00:00:00

abstract：OBJECTIVE:As stents for treating intracranial atherosclerotic stenosis may develop in-stent re-stenosis (ISR) in up to 30%, follow-up imaging is mandatory. Residual stenosis (RS) is not rare. We evaluated an optimised Flat Detector CT protocol with intravenous contrast material application (i.v. FD-CTA) for non-invasiv...

journal_title：European radiology

authors： Struffert T,Kloska S,Engelhorn T,Deuerling-Zheng Y,Ott S,Doelken M,Saake M,Köhrmann M,Doerfler A

更新日期：2011-02-01 00:00:00

abstract：:The aim of this study was to evaluate the potential of multislice CT angiography (CTA) in detecting hemodynamically significant (> or =70%) lesions of lower extremity inflow and runoff arteries. Fifty patients (42 men, 8 women; mean age 68 years) with peripheral arterial occlusive disease underwent multislice spiral C...

journal_title：European radiology

authors： Portugaller HR,Schoellnast H,Hausegger KA,Tiesenhausen K,Amann W,Berghold A

更新日期：2004-09-01 00:00:00

abstract：OBJECTIVE:The purpose of study was to develop a computer-simulated liver phantom for hepatic CT studies. A computer-simulated liver phantom was mathematically constructed on a computer workstation. MATERIALS AND METHODS:The computer-simulated phantom was calibrated using real CT images acquired by an actual four-detec...

journal_title：European radiology

authors： Funama Y,Awai K,Miyazaki O,Nakayama Y,Liu D,Goto T,Yamashita Y,Hori S

更新日期：2006-04-01 00:00:00

abstract：:Magnetic resonance imaging can be used to measure the muscle volume of a given muscle or muscle group. The purpose of this study was to determine both the intra- and inter-observer variation of the manually outlined volume of the extensor muscles (tibialis anterior, extensor digitorum longus and extensor hallucis long...

journal_title：European radiology

authors： Lund H,Christensen L,Savnik A,Boesen J,Danneskiold-Samsøe B,Bliddal H

更新日期：2002-12-01 00:00:00

abstract：OBJECTIVES:To investigate the imaging findings and clinical time course of COVID-19 pneumonia. METHODS:A total of 113 baseline and follow-up CT scans from 24 January 2020 to 18 February 2020 were longitudinally collected from 29 confirmed COVID-19 patients in a single center. The changes in the clinical and laboratory...

journal_title：European radiology

authors： Zhou Y,Zheng Y,Yang Q,Hu L,Liao J,Li X

更新日期：2020-11-01 00:00:00

abstract：OBJECTIVES:To determine whether phase-contrast X-ray imaging can be used to visualise directly the accumulated extracellular matrix proteins associated with liver fibrosis in common bile duct ligated mice. METHODS:Twenty-six-week-old C57BL female mice were randomised into three groups. In groups 1 (n = 5) and 2 (n = 1...

journal_title：European radiology

authors： Zhang X,Yang XR,Chen Y,Li HQ,Li RM,Yuan QX,Zhu PP,Huang WX,Peng WJ

更新日期：2013-02-01 00:00:00

abstract：OBJECTIVE:To determine whether 3D meniscal measures had similar sensitivity to longitudinal change as cartilage thickness; to what extent these measures are associated with longitudinal joint space width (JSW) change; and whether the latter associations differ between minimum (mJSW) and fixed-location JSW. METHODS:Two...

journal_title：European radiology

authors： Roth M,Emmanuel K,Wirth W,Kwoh CK,Hunter DJ,Eckstein F

更新日期：2018-05-01 00:00:00

abstract：:An unusual case of myositis ossificans traumatica lesion located in the paraspinal region is reported. Despite the contiguity of the lesion with the cervical vertebrae and ominous appearance of the biopsy material, the history of antecedent trauma and computed tomography findings allowed preoperative accurate diagnosi...

journal_title：European radiology

authors： Baysal T,Baysal O,Sarac K,Elmali N,Kutlu R,Ersoy Y

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVE:To assess the efficacy of computed diffusion-weighted images (cDWIs) of b = 2000 s/mm(2) (cDWI2000) generated from DWIs of b = 0 and 1000 for prostate cancer (PCa) diagnosis in comparison with that of measured original DWIs of b = 1000 (mDWI1000) and b = 2000(mDWI2000) using 3-T MRI. METHODS:Eighty patients ...

journal_title：European radiology

authors： Ueno Y,Takahashi S,Kitajima K,Kimura T,Aoki I,Kawakami F,Miyake H,Ohno Y,Sugimura K

更新日期：2013-12-01 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：:Two cases of agenesis of the horizontal segment of the left portal vein are reported. This very rare vascular anomaly probably corresponds to an embryological variation rather than to an obstruction of the left portal vein. In almost all cases liver ultrasonography is sufficient for identifying such vascular abnormali...

journal_title：European radiology

authors： Chevallier P,Oddo F,Baldini E,Peten EP,Diaine B,Padovani B

更新日期：2000-01-01 00:00:00

abstract：:Intraventricular tumours represent a diverse group of lesions, some of them infrequent, with a wide variety of radiological features. Determination of their precise aetiology or origin can be difficult. Nevertheless, considering patient's age, location within the ventricles, and some specific radiological features, th...

journal_title：European radiology

authors： Majós C,Coll S,Aguilera C,Acebes JJ,Pons LC

更新日期：2000-01-01 00:00:00

abstract：OBJECTIVE:The apparent diffusion coefficient (ADC) is increasingly used as a quantitative biomarker in oncological imaging. ADC calculation is based on raw diffusion-weighted imaging (DWI) data, and multiple post-processing methods (PPMs) have been proposed for this purpose. We investigated whether PPM has an impact on...

journal_title：European radiology

authors： Zeilinger MG,Lell M,Baltzer PA,Dörfler A,Uder M,Dietzel M

更新日期：2017-03-01 00:00:00

abstract：OBJECTIVES:To investigate the feasibility of low-concentration contrast media (LC-CM) in cerebral and cervical dual-energy CT angiography (DE-CTA) using an advanced monoenergetic (Mono+) reconstruction technique. METHODS:Sixty-five consecutive patients prospectively selected to undergo cerebral and cervical DE-CTA wer...

journal_title：European radiology

authors： Zhao L,Li F,Zhang Z,Zhang Z,Jiang Y,Wang X,Gu J,Li D

更新日期：2018-10-01 00:00:00

abstract：:Diffusion MRI has mainly been used for detection of acute ischemia, and for distinction of cytotoxic and vasogenic edema. We applied diffusion MRI in patients with tuberous sclerosis in order to evaluate diffusion imaging characteristics of parenchymal changes. Five children with known tuberous sclerosis were included...

journal_title：European radiology

authors： Sener RN

更新日期：2002-01-01 00:00:00

abstract：OBJECTIVES:To assess the accuracy and efficiency of a threshold-based, semi-automated cardiac MRI segmentation algorithm in comparison with conventional contour-based segmentation and aortic flow measurements. METHODS:Short-axis cine images of 148 patients (55 ± 18 years, 81 men) were used to evaluate left ventricular...

journal_title：European radiology

authors： Varga-Szemes A,Muscogiuri G,Schoepf UJ,Wichmann JL,Suranyi P,De Cecco CN,Cannaò PM,Renker M,Mangold S,Fox MA,Ruzsics B

更新日期：2016-05-01 00:00:00

abstract：OBJECTIVES:Cerebral blood flow (CBF) estimates from arterial spin labelling (ASL) show unexplained variability in older populations. We studied the impact of variation of haematocrit (Hct) on CBF estimates in a tri-ethnic elderly population. MATERIALS AND METHODS:Approval for the study was obtained from the Fulham Res...

journal_title：European radiology

authors： Smith LA,Melbourne A,Owen D,Cardoso MJ,Sudre CH,Tillin T,Sokolska M,Atkinson D,Chaturvedi N,Ourselin S,Hughes AD,Barkhof F,Jäger HR

更新日期：2019-10-01 00:00:00

abstract：PURPOSE:To identify pathological features for sample analysis of magnetic resonance imaging-guided vaccum-assisted breast biopsy (MRIgVaBB) to optimize radio pathological correlation and identify discordant benign result. MATERIAL AND METHODS:Databases of two centres were queried to identify MRIgVaBB performed between...

journal_title：European radiology

authors： Dratwa C,Jalaguier-Coudray A,Thomassin-Piana J,Gonin J,Chopier J,Antoine M,Trop I,Darai E,Thomassin-Naggara I

更新日期：2016-08-01 00:00:00

abstract：OBJECTIVES:To predict the primary neuroendocrine tumour of the gastrointestinal tract site based on observed metastatic sites. METHODS:We studied data from the radiology database of a single, large cancer centre on 250 patients with pathologically confirmed neuroendocrine tumours. Primary tumour sites and the location...

journal_title：European radiology

authors： Bhosale P,Shah A,Wei W,Varadhachary G,Johnson V,Shah V,Kundra V

更新日期：2013-02-01 00:00:00

abstract：:We report on an isolated enlargement of the fourth ventricle in a patient with neurosarcoidosis which developed 3 years after the insertion of a ventriculo-atrial shunt. Repeated MRI images were obtained in a patient with known neurosarcoidosis between 1995 and 2000. Imaging findings were correlated to the medical cou...

journal_title：European radiology

authors： Hesselmann V,Wedekind C,Terstegge K,Schulte O,Voges J,Krug B,Lackner K

更新日期：2002-12-01 00:00:00

abstract：OBJECTIVES:To assess the inter-operator concordance and the potential sources of discordance in defining response to sorafenib in hepatocellular carcinoma (HCC). METHODS:All patients who received sorafenib between September 2008 and February 2015 were scrutinised for this retrospective study. Images were evaluated sep...

journal_title：European radiology

authors： Tovoli F,Renzulli M,Negrini G,Brocchi S,Ferrarini A,Andreone A,Benevento F,Golfieri R,Morselli-Labate AM,Mastroroberto M,Badea RI,Piscaglia F

更新日期：2018-09-01 00:00:00

abstract：:Sclerosing stromal tumor is a rare ovarian neoplasm. We describe the radiologic findings of sclerosing stromal tumor in two patients. In both patients, MR and CT images showed a large mass in the left adnexal region. On dynamic contrast-enhanced images, the tumors showed early peripheral enhancement with centripetal p...

journal_title：European radiology

authors： Matsubayashi R,Matsuo Y,Doi J,Kudo S,Matsuguchi K,Sugimori H

更新日期：1999-01-01 00:00:00

abstract：:The purpose of this study was to compare the accuracy of an automated volumetry software for phantom pulmonary nodules across various 16-slice multislice spiral CT (MSCT) scanners from different vendors. A lung phantom containing five different nodule categories (intraparenchymal, around a vessel, vessel attached, ple...

journal_title：European radiology

authors： Das M,Ley-Zaporozhan J,Gietema HA,Czech A,Mühlenbruch G,Mahnken AH,Katoh M,Bakai A,Salganicoff M,Diederich S,Prokop M,Kauczor HU,Günther RW,Wildberger JE

更新日期：2007-08-01 00:00:00

abstract：:The aim of this study was to evaluate the efficiency of the fetal iliac wing angle measurements in the detection of trisomy 21 during the second trimester and the impact of the fetal position on this measurement. During a 43-month period, the iliac wing angle was prospectively measured in 695 fetuses at genetic ultras...

journal_title：European radiology

authors： Massez A,Rypens F,Metens T,Donner C,Avni FE

更新日期：2003-09-01 00:00:00

abstract：:Psoas abscess is an uncommon condition and, contrary to traditional teaching, tends to be of non-tuberculous aetiology in developed countries. Diagnosis can be delayed since presenting features are non-specific and in many instances misleading, necessitating a high degree of clinical suspicion and early resort to cros...

journal_title：European radiology

authors： Kaul V,Jackson M,Farrugia M

更新日期：2001-01-01 00:00:00

abstract：KEY POINTS:• Identify, assure, and measure major sources of variability affecting the MRI-directed biopsy pathway for prostate cancer diagnosis.• Develop strategies to control and minimize variations that impair pathway effectiveness including the performance of main players and team working.• Assure end-to-end quality...

journal_title：European radiology

authors： Padhani AR,Schoots IG,Turkbey B,Giannarini G,Barentsz JO

更新日期：2020-11-25 00:00:00

abstract：OBJECTIVES:To identify the relationship between human epidermal growth factor receptor 2 (HER2) status and cone-beam breast CT (CBBCT) characteristics in surgically resected breast cancer. METHODS:Preoperative CBBCT of patients with BI-RADS 4 or 5 lesions identified on mammography or ultrasound and dense or very dense...

journal_title：European radiology

authors： Zhu Y,Zhang Y,Ma Y,Li H,Liu A,Han P,Yin L,Lv N,Li Z,Lu H,Liu P,Ye Z

更新日期：2020-05-01 00:00:00