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KMID : 0311120160570040968
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Yonsei Medical Journal
2016 Volume.57 No. 4 p.968 ~ p.972
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Surgical Anatomy of the Longus Colli Muscle and Uncinate Process in the Cervical Spine
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Park Moon-Soo
Moon Seong-Hwan
Kim Tae-Hwan
Oh Jae-Keun
Kim Hyung-Joon
Park Kun-Tae
K. Daniel Riew
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Abstract
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Purpose: There have been a few previous reports regarding the distances between the medial borders of the longus colli to expose the disc space. However, to our knowledge, there are no reports concerning longus colli dissection to expose the uncinate processes. This study was undertaken to assess the surgical relationship between the longus colli muscle and the uncinate process in the cervical spine.
Materials and Methods: This study included 120 Korean patients randomly selected from 333 who had cervical spine MRIs and CTs from January 2003 to October 2013. They consisted of 60 males and 60 females. Each group was subdivided into six groups by age from 20 to 70 years or more. We measured three parameters on MRIs from C3 to T1: left and right longus colli distance and inter-longus colli distance. We also measured three parameters on CT: left and right uncinate distance and inter-uncinate distance.
Results: The longus colli distances, uncinate distances, and inter-uncinate distances increased from C3 to T1. The inter-longus colli distances increased from C3 to C7. There was no difference in longus colli distances and uncinate distances between males and females. There was no difference in the six parameters for the different age groups.
Conclusion: Although approximate guidelines, we recommend the longus colli be dissected approximately 5 mm at C3?5, 6 mm at C5?6, 7 mm at C6?7, and 8 mm at C7?T1 to expose the uncinate process to its lateral edge.
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KEYWORD
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Cervical spine, longus colli muscle, uncinate process, surgery
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