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Sliding-slab three-dimensional TSE imaging with a spiral-In/Out readout
Zhiqiang Li1, Dinghui Wang1, Ryan K Robison1
1Imaging Research, Barrow Neurological Institute, Phoenix, Arizona, USA.
Magnetic Resonance in Medicine
|March 11, 2015
Summary
This study introduces a novel 3D spiral turbo spin echo (TSE) technique for neuroimaging. The new method achieves image quality comparable to conventional Cartesian TSE, offering a promising alternative for T2-weighted scans.
Area of Science:
- Medical Imaging
- Radiology
- Neuroimaging
Background:
- T2-weighted imaging is crucial for neuroimaging diagnostics.
- Three-dimensional (3D) Cartesian turbo spin echo (TSE) offers high signal-to-noise ratio (SNR) and contiguous slices.
Purpose of the Study:
- To implement and evaluate a novel 3D spiral TSE technique.
- To achieve image quality comparable to 2D/3D Cartesian TSE.
Main Methods:
- Utilized multislab 3D TSE imaging with a sliding-slab method extended for spiral imaging.
- Employed a spiral-in/out readout to minimize artifacts.
- Compensated for B0 eddy current-induced phase errors.
- Implemented a nonuniform slice encoding scheme to reduce truncation artifacts.
Main Results:
- Preliminary results indicate that individual measures contribute to overall performance.
- The image quality of the proposed 3D spiral TSE technique is comparable to 2D/3D Cartesian TSE.
Conclusions:
- 3D sliding-slab TSE with a spiral-in/out readout yields good-quality T2-weighted images.
- This technique presents a promising alternative to conventional Cartesian TSE for neuroimaging.
