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KMID : 0361420020260040439
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Journal of Korean Academy of Rehabilitation Medicine
2002 Volume.26 No. 4 p.439 ~ p.444
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The Relationship between the Lower Lumbar Disc Herniation and the Morphology of the Iliolumbar Ligaments Using Magnetic Resonance Imaging
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Abstract
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Objective: This research aimed to define the relationship between the lower lumbar disc herniation and the morphology of the iliolumbar ligaments using magnetic resonance imaging.
Method: 24 male and 36 female patients were classified into two groups according to their disc herniation grade-those in whom the L5-S1 disc was less herniated than L4-5 disc, those in whom the L5-S1 disc was more herniated than the L4-L5
disc on
magnetic resonance images. The lengths of iliolumbar ligaments were measured on T1-weighted coronal images. The angles of iliolumbar ligaments were measured on T1-weighted axial images.
Results: The length of iliolumbar ligament was not different between L4-L5 disc herniation and L5-S1 disc herniation. The degree of iliolumbar ligament angle difference (asymmetry of direction) at L5-S1 disc herniation was more deviated in
paracentral disc herniation compared with central disc herniation.
Conclusion: The morphology of the iliolumbar ligament, especially its asymmetry of direction, may be a factor influencing the development of disc herniation at L5-S1.
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KEYWORD
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