Morphometric Study of Lumbar Intervertebral Spaces (discs) by Using MRI.

  • Dil Islam Mansur Kathmandu University School of Medical Sciences, Dhulikhel, Nepal https://orcid.org/0000-0001-5958-0423
  • Pragya Shrestha Kathmandu University School of Medical Sciences, Dhulikhel, Nepal
  • Sunima Maskey Kathmandu University School of Medical Sciences, Dhulikhel, Nepal
  • Kalpana Sharma Kathmandu University School of Medical Sciences, Dhulikhel, Nepal
  • Subindra Karki Dhulikhel Hospital, Kathmandu University Hospital, Dulikhel, Nepal.
  • Trishna Kisiju Kathmandu University School of Medical Sciences, Dhulikhel, Nepal
Keywords: Intervertebral disc, Lumbar vertebrae, MRI scan

Abstract

Introduction: The radiological space between two vertebrae is known as intervertebral space (height) which corresponds to the thickness of the intervertebral disc. Lumbar intervertebral disc is the most important structure which maintains the spinal function. An early diagnosis of pathological changes in disc has clinical significance. Hence the study aimed to determine normal height of the intervertebral disc space and effect of aging. Methods: It was a cross-sectional analytical study performed on 106 images of MRI scans of lumbar region. Dimensions of lumbar intervertebral spaces (discs) such as the anterior, middle, posterior intervertebral space height were measured in millimeter. Results: The mean anterior intervertebral space height was gradually increased from L1-L2 level (6.91 mm) to L5-S1 level (13.55 mm). The middle intervertebral space height increased from L1-L2 level (7.89 mm) to L4-L5 level (11.96 mm) whereas at L5-S1 level, there was a decrease (11.10 mm). Similarly, the posterior intervertebral space height showed an increment from L1-L2 level (5.52 mm) to L4-L5 level (8.09 mm) except at L5-S1 level, where it was decreased (6.94 mm). All mean values were found to be higher in males than in females except posterior intervertebral space height. The height of disc was increased up to third or fourth decade followed by a decrease. Conclusion: Knowing the normal lumbar intervertebral space height could be helpful for clinicians to diagnose and plan for proper treatment. It may also help to generate baseline data and to produce proper devices for Nepalese population.

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Author Biographies

Dil Islam Mansur, Kathmandu University School of Medical Sciences, Dhulikhel, Nepal

Associate Professor,

Department of Anatomy.

Pragya Shrestha, Kathmandu University School of Medical Sciences, Dhulikhel, Nepal

Assistant Professor,

Department of Anatomy.

Sunima Maskey, Kathmandu University School of Medical Sciences, Dhulikhel, Nepal

Lecturer,

Department of Anatomy.

Kalpana Sharma, Kathmandu University School of Medical Sciences, Dhulikhel, Nepal

Assistant Professor,

Department of Anatomy.

Subindra Karki, Dhulikhel Hospital, Kathmandu University Hospital, Dulikhel, Nepal.

Associate Professor,

Department of Radio-diagnosis.

Trishna Kisiju, Kathmandu University School of Medical Sciences, Dhulikhel, Nepal

Research Assistant,

Department of Anatomy.

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Published
2020-06-17
How to Cite
1.
Mansur D, Shrestha P, Maskey S, Sharma K, Karki S, Kisiju T. Morphometric Study of Lumbar Intervertebral Spaces (discs) by Using MRI. J Lumbini Med Coll [Internet]. 17Jun.2020 [cited 9Jul.2020];8(1):7 pages. Available from: https://jlmc.edu.np/index.php/JLMC/article/view/320
Section
Original Research Article