A pilot study on the application of FFE and SSh-TSE sequences in ocular MRI

To preliminarily investigate the application value of rapid sequences FFE and SSh-TSE in ocular magnetic resonance imaging (MRI). Ocular MRI was performed in 18 subjects without ocular conditions,and demonstration of 15 delicate anatomic structures on two sequences in each subject was rated by three...

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Bibliographic Details
Published inEye science Vol. 26; no. 3; p. 173
Main Authors Ma, Xiaofen, Tian, Junzhang, Jiang, Guihua, Liang, Lianbao, Zeng, Shaoqing, Li, Wuming
Format Journal Article
LanguageEnglish
Published China 01.09.2011
Subjects
Female
Humans
Magnetic Resonance Imaging - methods
Movement
Myelin Sheath - physiology
Optic Nerve - physiology
Pilot Projects
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Summary:To preliminarily investigate the application value of rapid sequences FFE and SSh-TSE in ocular magnetic resonance imaging (MRI). Ocular MRI was performed in 18 subjects without ocular conditions,and demonstration of 15 delicate anatomic structures on two sequences in each subject was rated by three proficient physicians. FFE sequence was comparatively advantageous in demonstrating delicate structures on ocular wall and ocular adnexa (P<0.001) over SSh-TSE; while SSh-TSE sequence better revealed the delicate anatomy within anterior chamber (P<0.001) and optic nerve sheath (P<0.05), with statistically significant differences compared with FFE. Optimized FFE and SSh-TSE sequences are able to effectively eliminate the impact from motion artifact and thus result in desirable images with high spatial resolution. The application of high-resolution MR microscopic imaging technique has improved the ability to demonstrate delicate ocular structures.