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Updated: Aug 11, 2026
Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
Published on: December 9, 2010
T-1 weighted sequences for hepatic MRI: re-evaluation using a phased array coil
D R Decorato1, N M Rofsky, J P Earls
1Department of Radiology, New York University Medical Center, NY 10016, USA.
Abstract:
The purpose of this study was to compare three T1-weighted sequences for hepatic magnetic resonance (MRI) imaging with the use of a body phased array coil. Three different T1-weighted MR sequences were compared: a conventional spin echo (CSE); half-Fourier spin echo (HFSE), and a gradient recalled echo (GRE). Three independent reviewers compared the sequences both quantitatively and qualitatively. The T1-weighted GRE sequence scored highest for overall image quality (p < 0.001), lesion conspicuity (p = 0.012), and yielded the highest contrast to noise (C/N) values. GRE T1-weighted images are the best for hepatic MRI.
Insights
Gradient recalled echo (GRE) T1-weighted magnetic resonance imaging (MRI) sequences offer superior image quality and lesion detection for liver imaging compared to conventional spin echo (CSE) and half-Fourier spin echo (HFSE) sequences.
Area of Science:
- Medical Imaging
- Radiology
- Hepatobiliary Imaging
Background:
- Hepatic magnetic resonance imaging (MRI) is crucial for diagnosing and monitoring liver conditions.
- Selecting optimal T1-weighted sequences is essential for maximizing diagnostic accuracy in liver MRI.
Purpose of the Study:
- To compare the performance of three T1-weighted sequences for hepatic MRI.
- To determine the most effective sequence for evaluating liver lesions using a body phased array coil.
Main Methods:
- Comparison of conventional spin echo (CSE), half-Fourier spin echo (HFSE), and gradient recalled echo (GRE) T1-weighted sequences.
- Quantitative and qualitative assessment of image quality by three independent reviewers.
- Evaluation of lesion conspicuity and contrast-to-noise (C/N) ratios.
Main Results:
- The gradient recalled echo (GRE) T1-weighted sequence demonstrated significantly higher overall image quality (p < 0.001).
- GRE sequences provided superior lesion conspicuity (p = 0.012) and the highest contrast-to-noise (C/N) values.
- Independent reviewers favored GRE sequences for hepatic MRI.
Conclusions:
- Gradient recalled echo (GRE) T1-weighted sequences are recommended as the optimal choice for hepatic MRI.
- GRE sequences enhance the detection and characterization of liver lesions.
- These findings support the use of GRE for improved liver imaging protocols.
