All the MRA examinations were performed on 1.5 T equipment (Philips Ingenia, Philips Medical Systems, Netherlands) with a dStream Headspine coil. 3D Time-of-flight MRA data were obtained from the cranial base to the main trunk of MCA under the following parameters: repetition time/echo time 24/6.91 ms, flip angle 18°, a field of view 200 × 200 mm, acquisition matrix 352 × 223, and slice thickness 0.5 mm. MIP images were reconstructed from the original MRA images with every 15° of transverse, left and right, and coronal direction.
Dstream headspine coil
Manufactured by Philips
Sourced in Netherlands
The DStream HeadSpine coil is a medical imaging device designed for use with Philips' magnetic resonance imaging (MRI) systems. The coil is responsible for transmitting and receiving radio frequency signals during the MRI scanning process, allowing for the acquisition of high-quality images of the head and spine region.
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Lab products found in correlation
5 protocols using dstream headspine coil
1
3D Time-of-Flight MRA Imaging Protocol
2
Multimodal Imaging for STN-DBS Targeting
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MRI was performed on a 3.0 T MR system (Ingenia, Philips Medical Systems, Best, Netherlands) with the patient in the supine position. Whole-brain 3D turbo spin-echo T1WI, T2WI, and FLAIR were performed using a 15-channel head coil (dStream HeadSpine coil, Philips Medical Systems, Best, Netherlands). A total of 160 slices of axial sections without intersection gap in the orientation parallel to the AC–PC line orientation were obtained. Axial SWI with the same coverage was also performed. The detailed parameters of the MR pulse sequences are listed in Table 1 . Immediately before the STN-DBS surgery, a whole-brain stereotactic non-enhanced CT in 1-mm slice thickness was also performed after application of the Cosman-Roberts-Wells frame (Integra Radionics, Burlington, MA, United States). Images of the 3D MRI and stereotactic CT were both transferred to a stereotactic workstation (BrainLab AG, Munich, Germany) for imaging fusion and target planning.
3
MRI Imaging of Optic Structures
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Between May and July 2019, volunteers underwent an MRI-scan (Philips, Ingenia, 1.5 Tesla) of the brain and skull-base in the radiotherapy department of the UMCU. The scans were generated in supine position on a soft mattress with knee support and the neck in neutral position. For imaging of the brain, a Philips dStream Headspine coil was used. To evaluate the position of the lenses, optic discs and optic nerves, T1-weighted images were obtained (3D T1 TFE acquisition, resolution 1 mm3 isotropic, FOV 230x230x160 mm, TE/TR = 3.5/7.7 ms, flip angle 8°) during 4 min and 31 s. On these images, the lenses, optic discs and optic nerves are rendered gray and surrounding tissue white. Five scans were made per volunteer; with the gaze direction in neutral position, and maximum left, right, cranial and caudal position (Supplementary Fig. 1 ).
4
Resting-state fMRI acquisition protocol
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Imaging data were acquired using a 3.0 Tesla Philips Ingenia MRI scanner with a dStream HeadSpine coil. rsfMRI imaging was carried out using gradient echo planar imaging with the following parameters: 39 continuous axial slices, repetition time (TR) = 2000 ms, echo time (TE) = 30 ms, resolution = 3.5 mm × 3.5 mm × 3.5 mm, thickness = 3.5 with no interslice gap mm, ip angle = 90 degrees, the scan time = approximately 8 minutes. High-resolution T1-weighted images were obtained using three-dimensional brain volume imaging sequences with an acquired voxel size of 1 × 1 × 1 mm 3 as the following parameters: 192 continuous sagittal slices, TR = 7 ms, TE = 3 ms, eld of view (FOV) = 256 × 256 mm, ip angle = 7 degrees, slice thickness = 1.0 mm with no interslice gap, matrix size = 256 × 256, and bandwidth = 241 Hz. During the scan, the subjects were placed in a supine position with their head xed and earplugs worn to reduce noise, and were instructed to lie quietly with their eyes closed but to stay awake without any other tasks.
5
Resting-state fMRI acquisition protocol
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Imaging data were acquired using a 3.0 Tesla Philips Ingenia MRI scanner with a dStream HeadSpine coil. rsfMRI imaging was carried out using gradient echo planar imaging with the following parameters: 39 continuous axial slices, repetition time (TR) = 2000 ms, echo time (TE) = 30 ms, resolution = 3.5 mm × 3.5 mm × 3.5 mm, thickness = 3.5 with no interslice gap mm, ip angle = 90 degrees, the scan time = approximately 8 minutes. High-resolution T1-weighted images were obtained using three-dimensional brain volume imaging sequences with an acquired voxel size of 1 × 1 × 1 mm 3 as the following parameters: 192 continuous sagittal slices, TR = 7 ms, TE = 3 ms, eld of view (FOV) = 256 × 256 mm, ip angle = 7 degrees, slice thickness = 1.0 mm with no interslice gap, matrix size = 256 × 256, and bandwidth = 241 Hz. During the scan, the subjects were placed in a supine position with their head xed and earplugs worn to reduce noise, and were instructed to lie quietly with their eyes closed but to stay awake without any other tasks.
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