Magnetic resonance imaging investigation of the atlanto-axial interspace

Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists
Frank ScaliNorman W Kettner

Abstract

The objective of this study is to examine the anatomy of the atlanto-axial interspace using magnetic resonance (MR) imaging. Two hundred and forty MR images of living subjects were examined for the presence of a posterior dural prominence and oblique hypointense fibers between the first and second cervical neural arches. Of the 240 images analyzed, 64% revealed a posterior concavity of the cervical dura mater. Of this, 24% also revealed oblique, linear hypointense fibers that appeared to be in direct contact with the dura mater. Twenty-three percent of the 240 images revealed oblique, linear hypointense fibers. Of the 23% that exhibited these fibers, 76% had an associated posterior thecal concavity of the cervical dura mater. A posterior dural prominence and oblique hypointense fibers were present in the atlanto-axial interspace in a significant number of randomly selected magnetic resonance images. These findings may represent normal, nonpathological anatomy found on MR images and may be related to a recently reported anatomical structure.

References

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Citations

Jul 23, 2013·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Matthew E PontellEwarld Marshall
Jul 27, 2015·The Spine Journal : Official Journal of the North American Spine Society·Frank ScaliDennis E Enix
Mar 19, 2014·Journal of Motor Behavior·Michael T Turvey, Sérgio T Fonseca
Aug 20, 2016·Scientific Reports·Qiang XuHong-Jin Sui
Mar 10, 2017·PloS One·Pei LiuHong-Jin Sui
Jul 10, 2018·PloS One·Pei LiuHongjin Sui
Aug 11, 2016·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Jing-Hui ZhangHong-Jin Sui
May 18, 2021·Pediatric Radiology·Flavio Garcia-PiresArabinda K Choudhary

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