Sentences with phrase «gradient echo»

Structural MRI and whole brain echo planar fMRI based on the BOLD effect was performed using a gradient echo pulse sequence: TR / TE 2000/30 ms, flip angle 90o, FOV 288 mm, 64 × 64 matrix, slice thickness 4.5 mm, 26 transverse slices, bandwidth 2.5 kHz.
Two 3 - dimensional T1 - weighted magnetization - prepared rapid gradient echo scans were acquired on a Siemens 3.0 - T Tim Trio scanner without sedation (sagittal acquisition; repetition time = 2300 milliseconds; echo time = 3.16 milliseconds; inversion time = 1200 milliseconds; flip angle = 8 °; 160 slices; 256 × 256 matrix; field of view = 256 mm; 1.0 - mm3 voxels; total time = 12:36 min).
Postcontrast signal intensities of the liver parenchyma were significantly higher for the T1 - weighted 3D gradient echo images when compared to the T1 - weighted spin echo sequences.
Findings indicated that Gd - EOB - DTPA contrast administration is safe in healthy dogs and causes homogeneous enhancement of the liver that is more pronounced in T1 - weighted 3D gradient echo MRI pulse sequences.
In vivo T1rho mapping in cartilage using 3D magnetization - prepared angle - modulated partitioned k - space spoiled gradient echo snapshots (3D MAPSS).
T1 - weighted images were collected using a three - dimensional gradient echo sequence (pulse repetition = 2300 ms, echo time = 4.4 ms, number of signals averaged = 3, matrix size = 320 x 320, with 0.6 x 0.6 x 0.6 resolution).
All women received an additional five - minute scan of three - dimensional multiple gradient echo sequences at the end of their diagnostic MRI exams.

Not exact matches

Measurements of restricted diffusion using an oscillating gradient spin echo sequence.
Kim and colleagues devised a novel method called gradient - echo spectroscopic imaging that provides information on various types of fatty acids based on a series of three - dimensional MRI images acquired for five minutes.
Early identification is facilitated by magnetic resonance imaging with gradient - echo sequences.
Blood oxygen level dependent imaging (BOLD) data were acquired using a 3 - Tesla whole - body scanner (GE Signa; General Electric Medical Systems, Milwaukee, WI) using a standard quadrature head coil and a gradient - echo EPI sequence.
Sharpnessmati defines the architectural edges and brightly colored gradients, echoing the sharp - edged strangeness of Magritte's «The Human Condition.»
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