In all centers MR images were acquired around TEA. A 3.0 Tesla MR system (Philips Healthcare, Best, The Netherlands) using a sense head coil was available at three centers (University Medical Center Utrecht (UMCU), University Medical Center Leiden and Isala Hospital, Zwolle) and from 2014 onwards at Southmead Hospital, Bristol. Until April 2014, a 1.5-Tesla MR system (GE Signa Excite HD system, USA) was used in Bristol. University Medical Center Groningen (SonataVision, Siemens, Germany), University Hospital Puerta del Mar, Cadiz (Magnetom Symphony, Siemens, Germany), Radboud University Nijmegen Medical Centre (Magnetom Symphony, Siemens, Germany), University of Rotterdam (GE Signa Excite HD system, USA) and University of Lisbon (Philips Healthcare, Best, The Netherlands) used a 1.5 Tesla MR system. All participating centers used conventional axial 3D T1weighted imaging and T2-weighted imaging and followed a predefined MRI protocol according to their institutional guidelines during the study period. Only the high-quality images that were suitable for scoring and volumetric measurements were included in the study.
Magnetom symphony
Manufactured by Siemens
Sourced in Germany, United Kingdom, Japan
The Magnetom Symphony is a magnetic resonance imaging (MRI) system developed by Siemens. It is designed to provide high-quality diagnostic imaging for a variety of medical applications. The Magnetom Symphony utilizes a powerful magnetic field and radio waves to generate detailed images of the body's internal structures, enabling healthcare professionals to make informed clinical decisions.
Automatically generated - may contain errors
Lab products found in correlation
Magnetom skyra, by Siemens (15 mentions)
Magnetom sonata, by Siemens (11 mentions)
Magnetom avanto, by Siemens (9 mentions)
Ingenia, by Philips (9 mentions)
Total imaging matrix package, by Siemens (7 mentions)
Signa hdxt, by GE Healthcare (6 mentions)
Magnetom aera, by Siemens (6 mentions)
Primovist, by Bayer (6 mentions)
Gadovist, by Bayer (6 mentions)
Intera, by Philips (5 mentions)
Dotarem, by Guerbet (5 mentions)
Magnevist, by Bayer (4 mentions)
Spectris solaris ep mr, by Bayer (4 mentions)
Magnetom vision, by Siemens (4 mentions)
Achieva, by Philips (3 mentions)
Magnetom vida, by Siemens (2 mentions)
Omniscan, by Daiichi Sankyo (2 mentions)
Prohance, by Eisai (2 mentions)
Multihance, by Bracco (2 mentions)
Spectris solaris ep, by Bayer (2 mentions)
157 protocols using magnetom symphony
1
Multi-Center MRI Protocol for Brain Imaging
2
Cardiac MRI Automated Segmentation Validation
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The study population consisted of 300 randomly selected patients referred to CMR within clinical routine care between 2016 and 2018. The CMR imaging protocol was employed on clinical 1.5 or 3 Tesla (Magnetom Symphony or Magnetom Skyra, Siemens Healthineers, Erlangen, Germany) CMR scanners. Protocols were employed as appropriate for clinical routine, all of which including electrocardiogram (ECG)-gated balanced steady-state free precession (bSSFP) cine sequences for a SAX stack. Typical imaging parameters were as follows: 25 frames/cardiac cycle, pixel spacing 0.8 mm × 0.8 mm, 8 mm slice thickness as well as inter-slice gap, TE 1.5 ms, TR 3 ms. The study was approved by the Ethics Committee of the University Hospital Goettingen and complied with the Declaration of Helsinki. The Ethics Committee gave permission to waive informed consent for this retrospective analysis. Furthermore, agreement was assessed between the fully automated algorithm and expert consensus contours based on the Society for Cardiovascular Magnetic Resonance (SCMR) consensus data consisting of 15 cases with different pathologies [12 (link)].
3
Multimodal MRI Imaging Protocol
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Images were acquired with 1.5 Tesla scanners (Magnetom® Symphony, Magnetom® Avanto, and Magnetom® Sonata, all manufactured by Siemens Healthcare, Erlangen, Germany) or 3 Tesla scanners (Ingenia®, Philips Medical Systems, Best, The Netherlands; Magnetom® Skyra and Magnetom® Vida, Siemens Healthineers AG, Erlangen, Germany). Since some MRI studies were acquired in external clinics, the scanners could not be traced for all included patients. Employed imaging protocols included non-enhanced axial T1-weighted (T1w NE) spin echo with flow compensation and non-contrast axial-fluid-attenuated inversion recovery (FLAIR). After weight-adjusted injection of a gadolinium-based contrast agent (0.1 mmol/kg), contrast-enhanced axial T1-weighted spin echo sequences with flow compensation or three-dimensional T1w gradient echo sequences were acquired (T1w CE).
4
MRI Exposure Assessment in Oncology
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The Radio-diagnostics Unit of the National Cancer Institute of Naples “Pascale Foundation” (Naples, Italy) is equipped with a Siemens MAGNETOM Symphony, A Tim System, 1.5 T, whole body MR scanner.
Interventional or emerging procedures carried out directly under the MRI are not a common practice in the considered hospital. Therefore, only the SMF and the motion-induced electric fields have been considered for the exposure assessment.
Interventional or emerging procedures carried out directly under the MRI are not a common practice in the considered hospital. Therefore, only the SMF and the motion-induced electric fields have been considered for the exposure assessment.
5
Cystic Craniopharyngioma MRI Volumetric Analysis
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According to our standard in-house protocol, the magnetic resonance imaging (MRI) (1.5- or 3.0-T scanners: Magnetom Symphony, Siemens, Erlangen; Signa HDxt; GE Healthcare, Little Chalfont, United Kingdom) routinely included axial T2-weighted sequence (with slice thickness of 2 mm), 3-dimensional T1-weighted sequences before and after intravenous administration of gadopentetate dimeglumine (0.1 mmol/kg body weight; Magnevist; Schering Corporation, Kenilworth, NJ), and constructive interference in steady-state sequences (CISS, with slice thickness of 1 mm), with axial, sagittal and coronal reconstructions each. Volumetric tumor analyses of pre- and post-operative MR images were performed by semi-manual segmentation of pre- and post-operative T2/CISS and contrast-enhanced (CE) T1 images and using a commercially available software tool (SmartBrush®, Elements®, BRAINLAB AG, Munich, Germany). For study inclusion, only craniopharyngiomas with at least 70% cystic tumor volume were included. This results in a relevant solid tumor fraction of about 10-30% of the tumor volume.
6
Diffusion Tensor Imaging Protocols Across Magnetic Field Strengths
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DTI scanning in Ulm was performed on a 1.5 Tesla Magnetom Symphony (Siemens Medical, Erlangen, Germany); DTI scanning in Milan was performed on a 3.0 Tesla Intera (Philips Medical Systems, Best, The Netherlands). At 1.5 T, two DTI study protocols were used. DTI study protocol A consisted of 13 volumes (45 slices, 128 × 128 pixels, slice thickness 2.2 mm, pixel size 1.5 mm × 1.5 mm) representing 12 gradient directions (b = 800 s/mm2) and one scan with gradient 0 (b = 0). The echo time (TE) and repetition time (TR) were 93 ms and 8000 ms, respectively. The number of averaged acquisitions was five. DTI study protocol B consisted of 52 volumes (64 slices, 128 × 128 pixels, slice thickness 2.8 mm, pixel size 2.0 mm × 2.0 mm) representing 48 gradient directions (b = 1000 s/mm2) and four scans with b = 0. TE and TR were 95 ms and 8000 ms, respectively.
At 3.0 T, the DTI study protocol consisted of 34 volumes (55 slices, 96 × 96 pixels, slice thickness 2.5 mm, pixel size 0.94 mm × 0.94 mm) representing 32 gradient directions (b = 1000 s/mm2) and two scans with b = 0. TE and TR were 80 ms and 8986 ms, respectively. The number of averaged acquisitions was two.
At 3.0 T, the DTI study protocol consisted of 34 volumes (55 slices, 96 × 96 pixels, slice thickness 2.5 mm, pixel size 0.94 mm × 0.94 mm) representing 32 gradient directions (b = 1000 s/mm2) and two scans with b = 0. TE and TR were 80 ms and 8986 ms, respectively. The number of averaged acquisitions was two.
7
Dual-Energy Mammography and DCE-MRI Protocol
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CEM was acquired with the dual-energy mammography system (Hologic’s Selenia® Dimensions® Unit, Bedford, MA, USA) as reported in our previous studies [43 (link)]. Two minutes after the administration of 1.5 mL/kg body weight of iodinated contrast medium (Visipaque 320; GE Healthcare, Inc., Princeton, NJ, USA) at a rate of 2–3 mL/s, each woman was placed in a CC view. Four and eight minutes after administration of the contrast agent, each breast was compressed in the MLO view: early MLO and late MLO views, respectively.
DCE-MRI was acquired with a 1.5T MR scanner (Magnetom Symphony; Siemens Medical System, Erlangen, Germany) equipped with a dedicated breast coil with 16 channels. Scan settings are reported in our previous study [44 (link)]: one series before and nine series after the automatic intravenous injection of 0.1 mmol/kg body weight of a positive paramagnetic contrast material (Gd-DOTA; Dotarem, Guerbet, Roissy CdG CEDEX, France) were acquired.
DCE-MRI was acquired with a 1.5T MR scanner (Magnetom Symphony; Siemens Medical System, Erlangen, Germany) equipped with a dedicated breast coil with 16 channels. Scan settings are reported in our previous study [44 (link)]: one series before and nine series after the automatic intravenous injection of 0.1 mmol/kg body weight of a positive paramagnetic contrast material (Gd-DOTA; Dotarem, Guerbet, Roissy CdG CEDEX, France) were acquired.
8
Post-Mortem MRI of Fetal Bodies
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The bodies were stored at 4 °C until PMMRI was performed as soon as possible after the dead fetus delivery. The bodies were covered and placed supine, lying as close as possible to the anatomically neutral position. All examinations were performed using a 1.5 magnet MRI (Magnetom Symphony, Siemens Healthineers) using a previously published standardized protocol (can be found in the Supplementary Material section) [3] (link).
9
MRI Evaluation of Upper Limb and Thigh Muscles
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Muscles in the upper arms and/or thighs were evaluated by MRI using a 1.5T unit (MAGNETOM Symphony or Avanto; Siemens Healthineer, Erlangen, Germany) or 3.0T unit (MAGNETOM Skyra or Vida; Siemens Healthineer, Erlangen, Germany) following a standardised protocol.12 (link) The left and right thighs were imaged simultaneously, whereas the left and right upper arms were imaged separately. Short-tau inversion recovery (STIR) imaging and fat-saturated (FS) Gd-T1-weighted imaging (T1WI) were performed in the axial and coronal planes. The contrast agents used in this study, namely, gadopentetate dimeglumine (Magnevist; Bayer Yakuhin, Osaka, Japan), gadodiamide (Omniscan; Daiichi Sankyo, Tokyo, Japan) and gadoteridol (ProHance; Eisai, Tokyo, Japan) were administered at a dose of 0.2 mmol/kg body weight.
10
Radiography and MRI Assessment of Lumbar Discs
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The radiography system used was a 500 mA Siemens DR System (Siemens Corporation, Germany) with an automatic exposure control system. The detailed parameters are as follows: the electric current was kept at 500 mA and the voltage at 75 kV on the anteroposterior position, and the current was kept at 500 mA and the voltage at 85 kV on the lateral position.
The MRI system was a 1.5 Tesla Imaging System (Siemens Magnetom Symphony, Germany). T1-weighted images (T1WI) and T2-weighted images (T2WI) of sagittal views of the lumbar intervertebral disc were obtained using a spin echo sequence system for T1WI and a fast spin echo sequence system for T2WI. A surface coil was used. The slice width was 4 mm and the interslice gap was 1 mm. The acquisition matrix was 512 × 256. The sequence parameter was repetition time (TR) 482 ms/echo time (TE) 10 ms for T1WI and TR 2,300 ms/TE 99 ms for T2WI.
The MRI system was a 1.5 Tesla Imaging System (Siemens Magnetom Symphony, Germany). T1-weighted images (T1WI) and T2-weighted images (T2WI) of sagittal views of the lumbar intervertebral disc were obtained using a spin echo sequence system for T1WI and a fast spin echo sequence system for T2WI. A surface coil was used. The slice width was 4 mm and the interslice gap was 1 mm. The acquisition matrix was 512 × 256. The sequence parameter was repetition time (TR) 482 ms/echo time (TE) 10 ms for T1WI and TR 2,300 ms/TE 99 ms for T2WI.
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