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Ingenia cx 3.0 t

Manufactured by Philips
Sourced in Netherlands

The Ingenia CX 3.0 T is a magnetic resonance imaging (MRI) system designed and manufactured by Philips. It operates at a magnetic field strength of 3.0 Tesla, which is a common field strength used in MRI scanners for clinical and research applications. The Ingenia CX 3.0 T is capable of producing high-quality images of the human body, which can be used for diagnostic purposes or further medical analysis.

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6 protocols using ingenia cx 3.0 t

1

Standardized Multi-Modal MRI Acquisition

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All MRI was performed at a 3.0 T imaging unit with a 32-channel head coil (Magnetom Verio [n = 115], Siemens Healthineers; Magnetom Skyra [n = 65], Siemens Healthineers; Magnetom Trio [n = 2], Siemens Healthineers; Ingenia CX 3.0 T [n = 26], Philips Healthcare; Discovery MR 750w [n = 4], GE Healthcare). The MRI protocol included the 3D T1W magnetization-prepared rapid acquisition gradient echo sequence (MPRAGE) before and after injection of gadobutrol (Gadovist; Bayer, Berlin, Germany; at a dose of 0.1 mmol/kg of body weight), T2 FLAIR, and DSC-PWI.
DSC-PWI was performed using the following parameters: repetition time (TR) = 1500 − 1600 ms; echo time (TE) = 29.3 − 40 ms; flip angle = 35 − 90°; matrix = 100 × 100 or 128 × 128; FOV = 240 × 240 mm2; section thickness = 4 − 5 mm; and number of excitations = 1. Postprocessing of DSC-PWI was performed according to a previously published method14 (link). To minimize the variance due to the difference in MRI scanners and protocols, pixel-based CBV maps were normalized by dividing every CBV value in a specific section by that in the unaffected white matter. Specific MR scan parameters for all MR sequences are provided in Supplementary Table 2.
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2

Cervical MRI Protocol with Diffusion-Weighted Imaging

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All patients received a 3.0T MRI scan (Ingenia CX 3.0T; Philips Medical System, Best, The Netherlands) using a digital RF receiver coil with a 16-element phased array. The patient was lying on an examination bed with the foot extended forward and the pubococcygeal joint positioned at a center of 5 cm (34 ). There are still no uniform criteria for intestinal preparation before cervical MRI (20 (link)). Thus, no intestinal preparation was performed. The scanning sequence includes r-FOV DWI and c-FOV DWI. The imaging parameters for both sequences were as follows (Table 1).
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3

Liver Fat Fraction Quantification

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Philips Ingenia CX 3.0T magnetic resonance scanner was adopted with mDIXON-Quant scanning sequence and 8-channel abdominal special coil. Patients were asked to inhale, exhale and hold their breath during scanning. The imaging parameters were as follows: repetition time msec/echo time msec, 5.8/1.01, the field of view(FOV): 400 mm×350 mm×210 mm, voxel: 2.5 mm x 2.5 mm x 6 mm, NSA: 1, layer number 70. FF was obtained after scanning. The region of interest (ROI) was plotted on the right anterior lobe, right posterior lobe, and left lobe of the liver at the level of portal vein display on the post-processing workstation, respectively. The average values of the three were taken to represent the final liver FF value, and the ROI area was set to 200 mm².
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4

Pediatric Pelvic MRI with Sedation

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Before Pelvic MRI examination, all children were sedated and hypnotized by enema with chloral hydrate(0.05 g/kg) and physiological saline(10 mL). All MR images were collected with 3.0 T magnetic resonance (Philips Ingenia CX 3.0 T, Netherlands) and scanning with body launching and accepting coil. Conventional MRI sequences (coronal T1WI, T2WI, PDWI, transverse T2WI, and sagittal PDWI) and transverse 3D-T1WI were scanned from the anterior superior iliac spine to the center of the femoral shaft as the reference plane, and the head in supine position was advanced with keep the legs horizontal (Table 1). The scanning time was approximately 8–10 min.

Magnetic resonance imaging parameters

Cor-T1WICor-T2WICor-T2WI-FSTra-T2WISag-T2WI-FS3D-T1WI
TR (ms)482.063228.262468.963475.282442.70400
TE (ms)18130501105527
FOV(mm)376 × 376376 × 376376 × 376360 × 360250 × 250370 × 370
Section thickness (mm)3.53.53.53.571.16

TR  Repetition time, TE  Echo time, FOV  Field of view, FS  Fat suppression

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5

Preoperative MRI for Brain Tumor Evaluation

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All preoperative MR images were obtained using a 3 T imaging unit with a 32-channel head coil (Magnetom Verio [n = 100], Siemens Healthineers; Magnetom Skyra [n = 63], Siemens Healthineers; Ingenia CX 3.0 T [n = 15], Philips Healthcare; Discovery MR 750w [n = 1], GE Healthcare). The MR imaging protocol for the tumor evaluation included the following sequences: pre- and postcontrast T1WI (T1-weighted 3D magnetization-prepared rapid acquisition gradient-echo [MPRAGE] sequence), axial T2 FLAIR imaging, and DCE MR imaging.
For DCE MR imaging, 3D T1-weighted spoiled gradient-echo imaging was performed. Gadobutrol (Gadovist; Bayer Schering Pharma, Berlin, Germany) (0.1 mmoL/kg of body weight) and a 30 mL saline bolus were injected at a rate of 4 mL/s, using a power injector (Spectris; MedRad, Indianola, Pennsylvania). For each phase, 40 images were acquired at intervals of repetition time (TR) with a temporal resolution of 4.8 to 6 s. The specific parameters were as follows: TR = 2.8–4.2 ms; echo time (TE) = 1.0–2.1 ms; flip angle = 10°; matrix = 192 × 192 or 128 × 128; field of view (FOV) = 240 × 240 mm2; section thickness = 3.0 mm; voxel size = 1.25 × 1.25 × 3 mm3 or 1.87 × 1.87 × 3 mm3; pixel bandwidth = 543–790 Hz; phase = 60; and total acquisition time = 4 min 58 s or 5 min 5 s. The MR scan parameters of all sequences are summarized in Supplementary Table 2.
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6

Cardiac MRI Protocol for T1 Mapping and ECV

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Participants underwent CMR examination on a 3-T MR scanner (Ingenia CX 3.0T; Philips Healthcare, Best, The Netherlands) with a 32-element phased-array body coil. To ensure good IQ and avoid motion artifacts, CMR images were collected with the assistance of ECG and respiratory-gated technology.
The CMR parameters were as follows:
To obtain T1-weighted maps of the myocardium and to calculate ECV, T1-weighted mapping was performed using the ECG-gated MOLLI sequence before and at 10 minutes after intravenous administration of 0.2 mmol/kg MR contrast agent (Magnevist; Bayer Healthcare, Berlin, Germany) in three short-axis slices, including at the basal, midventricular, and apical levels.
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