J Korean Soc Radiol.  2014 Jul;71(1):34-38. 10.3348/jksr.2014.71.1.34.

Dorsal Epidural Migration of Lumbar Sequestered Disc Fragment: Report of Three Cases

Affiliations
  • 1Department of Radiology, Wonkwang University Hospital, School of Medicine, Wonkwang University, Iksan, Korea. juhngsk@wonkwang.ac.kr
  • 2Department of Orthopaedic Surgery, Wonkwang University Hospital, School of Medicine, Wonkwang University, Iksan, Korea.

Abstract

Herein we report three cases of dorsal epidural migration of sequestered lumbar disc fragment in male patients older than 60 years. One of the patients underwent a microscopic decompression and discectomy for a herniated lumbar intervertebral disc disease five months ago. The magnetic resonance imaging showed characteristic features of dorsal epidural migration of a sequestered lumbar disc fragment. We suggest that both, older age and previous intervertebral decompression surgery may be the predisposing factors for the dorsal epidural migration of the sequestered lumbar disc fragment.

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