Asian Spine J.  2011 Dec;5(4):262-266. 10.4184/asj.2011.5.4.262.

MRI Changes of the Spinal Subdural Space after Lumbar Spine Surgeries: Report of Two Cases

Affiliations
  • 1Department of Orthopedics, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan. norinoridowluck@yahoo.co.jp
  • 2Department of Orthopaedic Surgery, University of California, School of Medicine, Irvine, CA, USA.
  • 3Department of Orthopedic Surgery, Mizonokuchi Hospital, University of Teikyo School of Medicine, Kawasaki, Japan.

Abstract

Although magnetic resonance imaging (MRI) is frequently used to assess the lumbar spine, there are few reports in the medical literature that have evaluated using MRI immediately following spinal surgery. Furthermore, descriptions of the subdural changes after lumbar spine surgery are also infrequent. In this paper, we present two cases with subdural change seen on MRI immediately after lumbar surgery. Both the patients had mild symptoms that resolved spontaneously, and the follow-up MRI scans showed resolution of the subdural changes. Subdural changes should be considered as one of the possible causes of unexpected symptoms in patients following lumbar spinal surgery.

Keyword

Lumbar spine; Subdural change; Magentic resonance imaging; Post-operative period

MeSH Terms

Follow-Up Studies
Humans
Magnetic Resonance Imaging
Spine
Subdural Space
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