| Evaluation of lumber nerve root compression using thin-slice thickness coronal magnetic resonance imaging: three-dimensional fat-suppressed multi-shot balanced non-steady-state free precession versus threedimensional T1-weighted spoiled gradient-recalled echo. | |
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MedLine Citation:
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PMID: 21956367 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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PURPOSE: The aim of this study was to compare the three-dimensional fat-suppressed balanced non-steady-state free precession (3D FS-nSSFP) sequence and the 3D T1-weighted spoiled gradient-recalled echo (3D T1-GRE) sequence for evaluating lumbar nerve root compression with continuous thin-slice coronal magnetic resonance (MR) images. MATERIALS AND METHODS: The institutional review board approved this study, and written informed consent was obtained from all 35 patients. We optimized continuous 2.5-mm thick lumbar coronal images with 3D FS-nSSFP and 3D T1-GRE. We calculated the contrast-to-noise ratio (CNR) for nerve roots and other structures on images with the two sequences. With knowledge of the final diagnosis, we assessed the visibility of nerve root compression on these images. RESULTS: The CNR values of nerve roots were significantly higher on images with 3D FS-nSSFP than on those with 3D T1-GRE. These continuous thin-slice coronal images facilitated visualization of nerve root compression in >91% of patients. There was no statistically significant difference between the two sequences in the detection of nerve root compression. CONCLUSION: Continuous thin-slice coronal MR images using 3D FS-nSSFP and 3D T1-GRE sequences are sufficient to evaluate lumbar nerve root compression, and 3D FS-nSSFP is superior to 3D T1-GRE for depiction of lumbar nerve roots. |
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Authors:
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Keizo Tanitame; Nobuko Tanitame; Chihiro Tani; Masaki Ishikawa; Miyuki Takasu; Shuji Date; Keiko Otani; Kazuo Awai |
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Publication Detail:
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Type: Journal Article Date: 2011-09-29 |
Journal Detail:
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Title: Japanese journal of radiology Volume: 29 ISSN: 1867-108X ISO Abbreviation: Jpn J Radiol Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-09-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101490689 Medline TA: Jpn J Radiol Country: Japan |
Other Details:
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Languages: eng Pagination: 623-9 Citation Subset: IM |
Affiliation:
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Department of Diagnostic Radiology, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan, tanitame@hiroshima-u.ac.jp. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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