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  1. NTU Scholars
  2. 電機資訊學院
  3. 生醫電子與資訊學研究所
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/350381
Title: MR T2 values of the knee menisci in the healthy young population: zonal and sex differences
Authors: Tsai, P.-H.
Chou, M.-C.
Lee, H.-S.
Lee, C.-H.
Chang, Y.-C.
Huang, G.-S.
HSIAO-WEN CHUNG 
Keywords: Cartilage; Knee; Meniscus; MR; Osteoarthritis; Sex difference; T2 value
Issue Date: 2009
Journal Volume: 17
Journal Issue: 8
Start page/Pages: 988-994
Source: Osteoarthritis and Cartilage 
Abstract: 
Objective: The magnetic resonance (MR) T2 value of the cartilage, which has been shown in the articular cartilage to correlate with collagen fiber orientation and water content, may be helpful for early detection of chondropathy. However, the measurement and significance of MR T2 value for knee meniscus have not been well established. The purpose of this study was to investigate whether the MR T2 values in the diverse zones of the posterior horn of the knee meniscus differ between sexes in a young healthy population. Method: Twenty healthy volunteers, 10 men and 10 women (aged from 22 to 32 years), were enrolled for MR imaging of the right knee menisci. The T2 values of the posterior horns of the medial and lateral knee menisci were measured for the white zone, red/white zone, and red zone on images acquired with fat-suppressed multislice turbo spin-echo sequence at 3.0 T. Results: The T2 value, with medial and lateral menisci considered together, increased significantly from the inner white zone (T2 = 8.02 ± 0.60 ms), to the red/white zone (T2 = 8.78 ± 0.99 ms), and to the outer red zone (T2 = 12.22 ± 0.92 ms) of the posterior horns of the menisci (P < 0.001). A generalized estimating equation method and multiple linear regression model showed that the T2 values averaged for the medial and lateral menisci together in the red and red/white zones were significantly lower in men than in women by 1.320 ms (P = 0.002) and 0.865 ms (P < 0.001), respectively, while the white zone showed no significant difference (P = 0.694) between men (8.08 ± 0.63 ms) and women (7.98 ± 0.60 ms). Conclusion: Zonal and sex differences in the MR T2 values in the posterior horns of the knee menisci exist in the young healthy population. These differences may be associated with sex differences in the occurrence of knee osteoarthritis. ? 2009 Osteoarthritis Research Society International.
URI: http://www.scopus.com/inward/record.url?eid=2-s2.0-67650439210&partnerID=MN8TOARS
http://scholars.lib.ntu.edu.tw/handle/123456789/350381
DOI: 10.1016/j.joca.2009.03.009
SDG/Keyword: collagen fiber; adult; article; articular cartilage; biomechanics; electron spin resonance; feasibility study; female; human; image analysis; image processing; knee meniscus; male; normal human; nuclear magnetic resonance imaging; priority journal; quantitative analysis; reference value; sex difference; water content; Adult; Cartilage, Articular; Feasibility Studies; Female; Humans; Knee Joint; Magnetic Resonance Imaging; Male; Menisci, Tibial; Osteoarthritis, Knee; Reference Values; Sex Factors; Young Adult
[SDGs]SDG3
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