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T2* mapping and delayed gadolinium-enhanced magnetic resonance imaging in cartilage (dGEMRIC) of glenohumeral cartilage in asymptomatic volunteers at 3?T
- 作者:Bernd Bittersohl (1) (4)
Falk R. Miese (2) Christin Dekkers (1) Hüseyin Senyurt (1) J?rn Kircher (3) Hans-J?rg Wittsack (2) Gerald Antoch (2) Rüdiger Krauspe (1) Christoph Zilkens (1)
- 关键词:MRI ; T2* mapping ; dGEMRIC ; Shoulder ; Normative data
- 刊名:European Radiology
- 出版年:2013
- 出版时间:May 2013
- 年:2013
- 卷:23
- 期:5
- 页码:1367-1374
- 全文大小:637KB
- 参考文献:1. Lohmander LS (2004) Markers of altered metabolism in osteoarthritis. J Rheumatol Suppl 70:28-5
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Nieminen MT, Rieppo J, Toyras J et al (2001) T2 relaxation reveals spatial collagen architecture in articular cartilage: a comparative quantitative MRI and polarized light microscopic study. Magn Reson Med 46:487-93 CrossRef 16. Mosher TJ, Dardzinski BJ (2004) Cartilage MRI T2 relaxation time mapping: overview and applications. Semin Musculoskelet Radiol 8:355-68 CrossRef 17. Haacke E, Brown R, Thompson M, Venkatesan R (1999) MRI Physical Principles and Sequence Design. Wiley-Liss, New York 18. Bashir A, Gray ML, Boutin RD, Burstein D (1997) Glycosaminoglycan in articular cartilage: in vivo assessment with delayed Gd(DTPA)(2-)-enhanced MR imaging. Radiology 205:551-58 19. Miese FR, Zilkens C, Holstein A et al (2011) Assessment of early cartilage degeneration after slipped capital femoral epiphysis using T2 and T2* mapping. Acta Radiol 52:106-10 20. 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- 作者单位:Bernd Bittersohl (1) (4)
Falk R. Miese (2) Christin Dekkers (1) Hüseyin Senyurt (1) J?rn Kircher (3) Hans-J?rg Wittsack (2) Gerald Antoch (2) Rüdiger Krauspe (1) Christoph Zilkens (1)
1. Medical Faculty, Department of Orthopedics, University Düsseldorf, Düsseldorf, Germany 4. Department of Orthopedics, Medical School, Düsseldorf, Heinrich-Heine University, Moorenstr. 5, 40225, Düsseldorf, Germany 2. Medical Faculty, Department of Diagnostic and Interventional Radiology, University Düsseldorf, Düsseldorf, Germany 3. Department of Orthopedic Surgery, Orthoparc Hospital, Cologne, Germany
- ISSN:1432-1084
文摘
Objectives To establish baseline T2* and T1Gd values of glenohumeral cartilage at 3?T. Methods Forty asymptomatic volunteers (mean age: 24.8?±-.2?years) without shoulder abnormalities were included. The MRI protocol comprised a double-echo steady-state (DESS) sequence for morphological cartilage evaluation, a gradient-echo multiecho sequence for T2* assessment, and a gradient-echo dual-flip-angle sequence for T1Gd mapping. Statistical assessment involved a one-way analysis of variance (ANOVA) to identify the differences between various regions of the glenohumeral joint and intraclass correlation (ICC) analysis comparing repetitive T2* and T1Gd measures to assess intra- and interobserver reliability. Results Both techniques revealed significant differences between superior and inferior glenohumeral cartilage demonstrating higher T2* (26.2?ms vs. 23.2?ms, P value-lt;-.001) and T1Gd (750.1?ms vs. 720.2?ms, P value--.014) values in the superior regions. No trend was observed in the anterior-posterior measurement (P value range: 0.279-.000). High intra- and interobserver agreement (ICC value range: 0.895-.983) was noted for both T2* and T1Gd mapping. Conclusions T2* and T1Gd mapping are reliable in the assessment of glenohumeral cartilage. The values from this study can be used for comparison to identify cartilage degeneration in patients suffering from shoulder joint abnormalities. Key Points -T2* mapping and dGEMRIC are sensitive to collagen degeneration and proteoglycan depletion. -This study aimed to establish baseline T2*/dGEMRIC values of glenohumeral cartilage. -Both techniques revealed significant differences between superior and inferior glenohumeral cartilage. -High intra-/interreader agreement was noted for both T2* mapping and dGEMRIC. -These baseline normal values should be useful when identifying potential degeneration.
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