Thyroid doses and risk to paediatric patients undergoing neck CT examinations.

abstract：OBJECTIVES:To evaluate time-resolved interleaved stochastic trajectories (TWIST) contrast-enhanced 4D magnetic resonance angiography (MRA) and compare it with 3D FLASH MRA in patients with congenital heart and vessel anomalies. METHODS:Twenty-six patients with congenital heart and vessel anomalies underwent contrast-e...

journal_title：European radiology

authors： Vogt FM,Theysohn JM,Michna D,Hunold P,Neudorf U,Kinner S,Barkhausen J,Quick HH

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVE:To compare image quality and radiation dose using Adaptive Statistical Iterative Reconstruction (ASiR) and Filtered Back Projection (FBP) in patients weighing ≥ 91 kg. METHODS:In this Institution Review Board-approved retrospective study, single-phase contrast-enhanced abdominopelvic CT examinations of 100 a...

journal_title：European radiology

authors： Desai GS,Uppot RN,Yu EW,Kambadakone AR,Sahani DV

更新日期：2012-08-01 00:00:00

abstract：OBJECTIVES:To determine whether sirolimus has beneficial effects on lymphangioleiomyomatosis (LAM) lung cysts in CT with long-term follow-up (FU) and to investigate whether CT is an appropriate imaging biomarker to monitor and evaluate LAM progression. METHODS:In this retrospective study, 73 female patients diagnosed ...

journal_title：European radiology

authors： Kim C,Do KH,Cha J,Song JW,Lee SM,Lee KY

更新日期：2020-02-01 00:00:00

abstract：:The purpose of this study was to describe and characterize the frequency and extent of stair-step artefacts in computed tomography coronary angiography (CTCA) with prospective electrocardiogram (ECG)-triggering and to identify their determinants. One hundred and forty three consecutive patients (55 women, mean age 57 ...

journal_title：European radiology

authors： Husmann L,Herzog BA,Burkhard N,Tatsugami F,Valenta I,Gaemperli O,Wyss CA,Landmesser U,Kaufmann PA

更新日期：2009-07-01 00:00:00

abstract：:The aim of this study was to evaluate the feasibility of endoluminal stent-graft placement in an angiographic suite for the treatment of emergent type-B aortic dissections and ruptured thoracic aortal aneurysms. Twenty-six patients with either urgent type-B dissection (n=8) or aneurysms (n=18) of the descending thorac...

journal_title：European radiology

authors： Balzer JO,Doss M,Thalhammer A,Fieguth HG,Moritz A,Vogl TJ

更新日期：2003-10-01 00:00:00

abstract：OBJECTIVES:The purpose of this study was to assess the protective effect of premedication and changing contrast media (CM) against repeat adverse reactions (ARs) to iodinated CM. METHODS:Between January 2006 and September 2014, 771 cases with previous ARs to CM were administered CM. The same CM that had caused ARs pre...

journal_title：European radiology

authors： Abe S,Fukuda H,Tobe K,Ibukuro K

更新日期：2016-07-01 00:00:00

abstract：:Cardiac angiosarcoma is a rare tumour entity with a poor prognosis. Early detection is difficult but important for the further course of the disease. We report on a young patient with a tumour of unknown origin and dignity of the right atrium. Magnetic resonance imaging, CT and echocardiography were sufficient in loca...

journal_title：European radiology

authors： Freudenberg LS,Rosenbaum SJ,Schulte-Herbrüggen J,Eising EG,Lauenstein T,Wolff A,Bockisch A

更新日期：2002-12-01 00:00:00

abstract：:Traditionally, Doppler ultrasound has been used to estimate blood flow as the mean velocity multiplied by the vessel area, but this is subject to significant errors and may be difficult to perform accurately. Microbubbles, developed as contrast agents for ultrasound, were initially envisaged as useful for increasing t...

journal_title：European radiology

authors： Cosgrove D,Eckersley R,Blomley M,Harvey C

更新日期：2001-01-01 00:00:00

abstract：:In acute nonvariceal gastrointestinal (GI) bleeding, immediate arteriographic haemostasis is presently assumed to be a therapeutic advantage. This study assesses whether the risk of a delayed haemostasis, caused by arteriographic findings precluding embolization, might influence patient outcome. We performed a 5.5-yea...

journal_title：European radiology

authors： Defreyne L,Vanlangenhove P,Decruyenaere J,Van Maele G,De Vos M,Troisi R,Pattyn P

更新日期：2003-12-01 00:00:00

abstract：:The etiological role of concha bullosa in chronic sinusitis is controversial. Previous investigators have not studied the relationship between the location of concha bullosa and different chronic sinusitis patterns. We performed coronal paranasal sinuses CT in 100 Chinese patients with signs and symptoms of chronic si...

journal_title：European radiology

authors： Lam WW,Liang EY,Woo JK,Van Hasselt A,Metreweli C

更新日期：1996-01-01 00:00:00

abstract：OBJECTIVES:Vascular complications are one of the most common causes of early kidney transplant dysfunction. Contrast enhanced ultrasound increases sensitivity to vascular changes. The aim of this study was to assess the prevalence and size of vascular abnormalities in early renal transplants using 3D CEUS and the signi...

journal_title：European radiology

authors： Stenberg B,Wilkinson M,Elliott S,Caplan N

更新日期：2017-11-01 00:00:00

abstract：OBJECTIVES:To evaluate the agreement between automated breast volume scanner (ABVS) and conventional ultrasound (US) as a second-look (SL) tool for assessing additional findings found on MRI. METHODS:Over a 7-month period, we prospectively assigned to SL-US and SL-ABVS all patients undergoing 1.5 T breast MRI in whom ...

journal_title：European radiology

authors： Girometti R,Zanotel M,Londero V,Bazzocchi M,Zuiani C

更新日期：2017-09-01 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：OBJECTIVES:Evaluate the ability of MR diffusion-weighted imaging (DWI) to predict patency capsule retention in Crohn's disease (CD). METHODS:Clinical and imaging data were prospectively reviewed for 80 CD patients following patency capsule administration and MR-DWI under institutional review board (IRB) approval with ...

journal_title：European radiology

authors： Klang E,Kopylov U,Ben-Horin S,Lahat A,Yablecovitch D,Rozendorn N,Eliakim R,Amitai MM

更新日期：2017-12-01 00:00:00

abstract：OBJECTIVES:To evaluate the changes in mammographic density after tamoxifen discontinuation in premenopausal women with oestrogen receptor-positive breast cancers and the underlying factors METHODS: A total of 213 consecutive premenopausal women with breast cancer who received tamoxifen treatment after curative surgery ...

journal_title：European radiology

authors： Kim WH,Cho N,Kim YS,Yi A

更新日期：2018-08-01 00:00:00

abstract：OBJECTIVES:To evaluate the effectiveness of bag-of-features (BOF)-based radiomics for differentiating ocular adnexal lymphoma (OAL) and idiopathic orbital inflammation (IOI) from contrast-enhanced MRI (CE-MRI). METHODS:Fifty-six patients with pathologically confirmed IOI (28 patients) and OAL (28 patients) were random...

journal_title：European radiology

authors： Hou Y,Xie X,Chen J,Lv P,Jiang S,He X,Yang L,Zhao F

更新日期：2021-01-01 00:00:00

abstract：OBJECTIVES:To comprehensively and quantitatively analyse flow and vorticity in the right heart of patients after repair of tetralogy of Fallot (rTOF) compared with healthy volunteers. METHODS:Time-resolved flow-sensitive 4D MRI was acquired in 24 rTOF patients and 12 volunteers. Qualitative flow evaluation was based o...

journal_title：European radiology

authors： Hirtler D,Garcia J,Barker AJ,Geiger J

更新日期：2016-10-01 00:00:00

abstract：OBJECTIVES:Duchenne muscular dystrophy (DMD) is the most common and severe dystrophinopathy. DMD carriers rarely present with clinical symptoms, but may suffer from cardiac involvement. Because echocardiographic findings are inconsistent and cardiac magnetic resonance imaging (CMRI) data are limited, this study sought ...

journal_title：European radiology

authors： Schelhorn J,Schoenecker A,Neudorf U,Schemuth H,Nensa F,Nassenstein K,Forsting M,Schara U,Schlosser T

更新日期：2015-10-01 00:00:00

abstract：OBJECTIVES:To investigate the association of contrast-enhanced cone beam breast CT (CE-CBBCT) features, immunohistochemical (IHC) receptors, and molecular subtypes in breast cancer. METHODS:In this retrospective study, patients who underwent preoperative CE-CBBCT and received complete IHC results were analyzed. CE-CBB...

journal_title：European radiology

authors： Ma Y,Liu A,O'Connell AM,Zhu Y,Li H,Han P,Yin L,Lu H,Ye Z

更新日期：2020-10-02 00:00:00

abstract：OBJECTIVES:To compare single-energy (SECT) and dual-energy (DECT) abdominal CT examinations in matched patient cohorts regarding differences in radiation dose and image quality performed with second- and third-generation dual-source CT (DSCT). METHODS:We retrospectively analysed 200 patients (100 male, 100 female; mea...

journal_title：European radiology

authors： Wichmann JL,Hardie AD,Schoepf UJ,Felmly LM,Perry JD,Varga-Szemes A,Mangold S,Caruso D,Canstein C,Vogl TJ,De Cecco CN

更新日期：2017-02-01 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：BACKGROUND:Image-guided interventional procedures of the nerves are commonly performed by physicians from different medical specialties, although there is a lack of clinical indications for these types of procedures. This Delphi-based consensus provided a list of indications on image-guided interventional procedures fo...

journal_title：European radiology

authors： Sconfienza LM,Adriaensen M,Albano D,Allen G,Aparisi Gómez MP,Bazzocchi A,Beggs I,Bignotti B,Chianca V,Corazza A,Dalili D,De Dea M,Del Cura JL,Di Pietto F,Drakonaki E,Facal de Castro F,Filippiadis D,Gielen J,Gitto S,

更新日期：2020-03-01 00:00:00

abstract：:Development of collateral circulation belongs among the typical signs of aortic coarctation. Cerebral or spinal artery aneurysm formation with increased risk of subarachnoid hemorrhage represent the most common neurovascular complication of this disease. We report a case of a 20-year-old sportsman who developed acute ...

journal_title：European radiology

authors： Zizka J,Eliás P,Michl A,Harrer J,Cesák T,Herman A

更新日期：2001-01-01 00:00:00

abstract：:New technologies are needed to characterize the migration and survival of antigen-specific T cells in vivo. In this study, we developed a novel technique for the labeling of human cytotoxic T lymphocytes with superparamagnetic iron-oxide particles and the subsequent depiction with a conventional 1.5-T magnetic resonan...

journal_title：European radiology

authors： Beer AJ,Holzapfel K,Neudorfer J,Piontek G,Settles M,Krönig H,Peschel C,Schlegel J,Rummeny EJ,Bernhard H

更新日期：2008-06-01 00:00:00

abstract：OBJECTIVE:To evaluate the diagnostic performance of automated coronary atherosclerotic plaque quantification (QCT) by different users (expert/non-expert/automatic). METHODS:One hundred fifty coronary artery segments from 142 patients who underwent coronary computed tomography angiography (CCTA) and intravascular ultra...

journal_title：European radiology

authors： Park HB,Lee BK,Shin S,Heo R,Arsanjani R,Kitslaar PH,Broersen A,Dijkstra J,Ahn SG,Min JK,Chang HJ,Hong MK,Jang Y,Chung N

更新日期：2015-10-01 00:00:00

abstract：:The diagnostic relevance of the relative T1-weighted (T1W) and T2-weighted (T2W)/short tau inversion recovery (STIR) MRI signal intensity characteristics of the superior to inferior fluid layers within fluid-fluid levels (FFLs) found in bone tumours was investigated. A retrospective analysis was performed of MRI studi...

journal_title：European radiology

authors： Alyas F,Saifuddin A

更新日期：2008-11-01 00:00:00

abstract：:Aneurysmal bone cysts (ABC) are rare, benign, but locally destructive bone tumors. They occur in the spine in 14% of cases, but only 2% are found in the cervical spine. This case report presents a 16-year-old female with an expansive aneurysmatic bone cyst with extensive bone destruction and instability in the cervica...

journal_title：European radiology

authors： Pennekamp W,Peters S,Schinkel C,Kuhnen C,Nicolas V,Muhr G,Frangen TM

更新日期：2008-10-01 00:00:00

abstract：OBJECTIVES:To assess whether contralateral parenchymal enhancement reproduces as an independent biomarker for patient survival in an independent patient cohort from a different cancer institution. METHODS:This is a HIPAA-compliant IRB approved retrospective study. Patients with ER-positive/HER2-negative operable invas...

journal_title：European radiology

authors： van der Velden BHM,Sutton EJ,Carbonaro LA,Pijnappel RM,Morris EA,Gilhuijs KGA

更新日期：2018-11-01 00:00:00

abstract：OBJECTIVES:Abdominal radiography is frequently used in acute abdominal non-traumatic pain despite the availability of more advanced diagnostic modalities. This study evaluates the diagnostic accuracy of low-dose CT compared with abdominal radiography, at similar radiation dose levels. METHODS:Fifty-eight patients were...

journal_title：European radiology

authors： Alshamari M,Norrman E,Geijer M,Jansson K,Geijer H

更新日期：2016-06-01 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