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Case Reports
. 2015 Jun;57(6):484-6.
doi: 10.3340/jkns.2015.57.6.484. Epub 2015 Jun 30.

Unilateral Pedicle Fracture Accompanying Spondylolytic Spondylolisthesis

Hyeun Sung Kim  1 , Seok Won Kim  2 , Chang Il Ju  2 , Yun Sung Kim  3
Affiliations
Case Reports

Unilateral Pedicle Fracture Accompanying Spondylolytic Spondylolisthesis

Hyeun Sung Kim et al. J Korean Neurosurg Soc. 2015 Jun.

Abstract

Unilateral pedicle stress fracture accompanying spondylolytic spondylolisthesis is rare even in the elderly. Most are associated with major trauma, previous spine surgery, or stress-related activity. Here, the authors describe an unique case of unilateral pedicle fracture associated with spondylolytic spondylolisthesis at the L5 level, which was successfully treated by posterior lumbar interbody fusion with screw fixation at the L5-S1 level. As far as the authors' knowledge, no such case has been previously reported in the literature. The pathophysiological mechanism of this uncommon entity is discussed and a review of relevant literature is included.

Keywords: Fracture; Pedicle; Spondylolysis.

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Figures

Fig. 1
Fig. 1. Plain radiographs showing spondylolytic spondylolisthesis of L5 on S1.
Fig. 2
Fig. 2. Sagittal (A), axial (B), and coronal (C) computed tomographic scans showing a right pedicle stress fracture with sclerosis and spondylolysis at L5.
Fig. 3
Fig. 3. T2 weighted magnetic resonance images showing the right pedicle fracture and foraminal stenosis caused by spondylolisthesis at the L5-S1 level.
Fig. 4
Fig. 4. A plain lateral radiograph at 12 months after posterior lumbar interbody fusion.
See this image and copyright information in PMC

References

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