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Research ArticleORIGINAL ARTICLES
Open Access

Magnetic resonance imaging of normal lumbar intervertebral discs

Maher T. Al-Hadidi, Darwish H. Badran, Azmy M. Al-Hadidi and Jamal H. Abu-Ghaida
Neurosciences Journal October 2001, 6 (4) 227-232;
Maher T. Al-Hadidi
Department of Anatomy and Histology, Medical College, University of Jordan, Amman 11942, Jordan. Tel. +962 (6) 5355000 ext. 2384. Fax. +962 (6) 5356746. E-mail: [email protected]
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Darwish H. Badran
Department of Anatomy and Histology, Jordan University Hospital, Medical College, University of Jordan, Amman, Jordan.
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Azmy M. Al-Hadidi
Division of Radiology, Jordan University Hospital, Medical College, University of Jordan, Amman, Jordan.
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Jamal H. Abu-Ghaida
Department of Anatomy and Histology, Jordan University Hospital, Medical College, University of Jordan, Amman, Jordan.
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Abstract

OBJECTIVE: To study changes in midpoint lumbar disc heights in an asymptomatic Jordanian sample relative to age, sex, lumbar level and midvertebral heights.

METHODS: A total of 153 asymptomatic patients (87 males, age range 20-65 years; mean 43+/-12.1 and 66 females, age range 22-68 years; mean 47+/-13.7) were selected during the study period. All underwent midsagittal magnetic resonance imaging to measure the midpoint disc height and midvertebral height of all lumbar spines. Values were statistically analyzed to obtain the significance of differences in the means of midpoint disc heights at different levels in every age group and among other age groups. The relative height indices for every lumbar level in each age group for both males and females were determined.

RESULTS: The results showed that a highly significant sex-independent cephalocaudal increase sequence of midpoint disc heights is evident, where maximum values are reached at lumbar 3/4 level in the younger age groups and at lumbar 5/sacral 1 level in older ones. In relation to age, midpoint disc heights displayed a non-linear, alternating increase/decrease pattern, which was of higher magnitude and statistically significant in males, but less evident and statistically insignificant in females. Maximum values were reached during the 6th decade in males while during the 5th decade in females. The relative height indices were similar in both sexes and remained fairly constant between age groups at all levels.

CONCLUSION: The craniocaudal and age-dependent patterns could be termed physiological and interpreted as adaptation of the lumbar spine to changing functional demands. The utility of the relative height index is discussed.

  • Copyright: © Neurosciences

Neurosciences is an Open Access journal and articles published are distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC). Readers may copy, distribute, and display the work for non-commercial purposes with the proper citation of the original work.

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Neurosciences Journal: 6 (4)
Neurosciences Journal
Vol. 6, Issue 4
1 Oct 2001
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Magnetic resonance imaging of normal lumbar intervertebral discs
Maher T. Al-Hadidi, Darwish H. Badran, Azmy M. Al-Hadidi, Jamal H. Abu-Ghaida
Neurosciences Journal Oct 2001, 6 (4) 227-232;

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Magnetic resonance imaging of normal lumbar intervertebral discs
Maher T. Al-Hadidi, Darwish H. Badran, Azmy M. Al-Hadidi, Jamal H. Abu-Ghaida
Neurosciences Journal Oct 2001, 6 (4) 227-232;
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© 2025 Neurosciences Journal Neurosciences is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. Neurosciences is an Open Access journal and articles published are distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC). Readers may copy, distribute, and display the work for non-commercial purposes with the proper citation of the original work. Electronic ISSN 1658-3183. Print ISSN 1319-6138.

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