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AJNR Am J Neuroradiol. 1999 Jan;20(1):33-6.

Persistence of the notochordal canal: MR and plain film appearance.

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  • 1Department of Radiology, Northwestern Memorial Hospital, Chicago, IL 60611, USA.


We report a case of an unusually prominent persistent notochordal canal involving the T12-L5 vertebrae. This rare anatomic variation was discovered as an incidental finding in a patient with lymphoma undergoing MR imaging for evaluation of back pain. MR images showed a vertically oriented canal contiguous with the intervertebral disks traversing the anterior aspect of each affected vertebral body. Plain films showed a sclerotic rimmed central channel that flared at each vertebral endplate to merge with the disk spaces.

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