Optimization of MR Signal Contrast of the Lumbar Cartilaginous Endplates Using Ultra-Short TE
- 作者: Takashima H.1,2, Yanagida M.1, Imamura R.1, Yoshimoto M.2, Ogon I.2, Nakanishi M.1, Akatsuka Y.1, Okuaki T.3, Yoneyama M.3, Hatakenaka M.4, Yamashita T.2
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隶属关系:
- Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
- Department of Orthopedic Surgery, Sapporo Medical University School of Medicine
- Philips Japan
- Department of Diagnostic Radiology, Sapporo Medical University School of Medicine
- 期: 卷 50, 编号 1-3 (2019)
- 页面: 381-389
- 栏目: Original Paper
- URL: https://journals.rcsi.science/0937-9347/article/view/248438
- DOI: https://doi.org/10.1007/s00723-018-1100-4
- ID: 248438
如何引用文章
详细
The ultra-short TE (UTE) technique has been recently used to investigate lumbar cartilaginous endplates (CEPs). However, parameters of UTE have not been investigated, especially optimal second TE is unclear. The aim of this study was to investigate the use of an optimal second TE with UTE for visualizing CEPs. The subjects included 20 volunteers without LBP who did not undergo lumbar spine surgery. A UTE sequence with fat suppression was used, and TEs were set at 0.16 ms as first TE, and 4.6, 9.2, 13.8, 18.2 ms as second TE. Analyzed images subtracted each second TE image from first TE image. Two researchers measured contrast ratio (CR) between CEPs and vertebral bodies (VBs), intervertebral discs (IVDs). ICCs between two researchers were calculated for CRs (r = 0.924, 0.939). CR between CEP and VB of 13.8 and 18.4 ms was significantly higher than that of other TEs (p < 0.01). CR between CEP and IVD of 9.2 and 13.8 ms was significantly higher than that of other TEs (p < 0.01, 0.05). CEPs were evaluated using subtraction images obtained with UTE. The first TE was 0.16 ms, the optimal second TE was suggested to be 13.8 ms for evaluating human CEPs.
作者简介
Hiroyuki Takashima
Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital; Department of Orthopedic Surgery, Sapporo Medical University School of Medicine
编辑信件的主要联系方式.
Email: takashima@sapmed.ac.jp
日本, South-1, West-16, Chuo-ku, Sapporo, Hokkaido, 060-8543; Sapporo
Mika Yanagida
Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
Email: takashima@sapmed.ac.jp
日本, South-1, West-16, Chuo-ku, Sapporo, Hokkaido, 060-8543
Rui Imamura
Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
Email: takashima@sapmed.ac.jp
日本, South-1, West-16, Chuo-ku, Sapporo, Hokkaido, 060-8543
Mitsunori Yoshimoto
Department of Orthopedic Surgery, Sapporo Medical University School of Medicine
Email: takashima@sapmed.ac.jp
日本, Sapporo
Izaya Ogon
Department of Orthopedic Surgery, Sapporo Medical University School of Medicine
Email: takashima@sapmed.ac.jp
日本, Sapporo
Mitsuhiro Nakanishi
Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
Email: takashima@sapmed.ac.jp
日本, South-1, West-16, Chuo-ku, Sapporo, Hokkaido, 060-8543
Yoshihiro Akatsuka
Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital
Email: takashima@sapmed.ac.jp
日本, South-1, West-16, Chuo-ku, Sapporo, Hokkaido, 060-8543
Tomoyuki Okuaki
Philips Japan
Email: takashima@sapmed.ac.jp
日本, Tokyo
Masami Yoneyama
Philips Japan
Email: takashima@sapmed.ac.jp
日本, Tokyo
Masamitsu Hatakenaka
Department of Diagnostic Radiology, Sapporo Medical University School of Medicine
Email: takashima@sapmed.ac.jp
日本, Sapporo
Toshihiko Yamashita
Department of Orthopedic Surgery, Sapporo Medical University School of Medicine
Email: takashima@sapmed.ac.jp
日本, Sapporo
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