J Korean Radiol Soc.  2006 Feb;54(2):131-134. 10.3348/jkrs.2006.54.2.131.

Posterior Epidural Migration of Lumbar Ruptured Disc: Report of Two Cases

Affiliations
  • 1Department of Diagnostic Radiology, Wooridul Spine Hospital, Korea. marianne007@hanmail.net
  • 2Department of Neurosurgery, Wooridul Spinal Hospital, Korea.

Abstract

Disc fragment migration occurs in 35%-72% of lumbar disc herniations. Most of the herniated disc fragments migrate in the rostal, caudal and lateral directions. Posterior epidural disc fragment migration is a rare finding and posterior migration causing Cauda Equina syndrome is exceptionally rare. We report here on two cases of L4-5 disc fragment posterior epidural migration that caused Cauda Equina syndrome, and this was diagnosed by performing radiological examination, and we also include a review of the related literature.

Keyword

Spine, abnormalities; Spine, intervertebral discs; Spine, MR
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