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KMID : 0388720180250010024
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Journal of Korean Society of Spine Surgery
2018 Volume.25 No. 1 p.24 ~ p.29
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Sacral Stress Fracture Developing after Lumbosacral Fusion in a Patient with Spondylolisthesis: A Case Report
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Shin Yong-Eun
Jung Jae-Uk
Yoon Sung-Hyun
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Abstract
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Study Design: Case report
Objectives: To report a case of sacral stress fracture that developed after lumbosacral fusion.
Summary of Literature Review: Sacral stress fractures rarely develop after lumbosacral fusion, and osteoporosis, female sex, being over 60 years old, and long segment fusion are known risk factors.
Materials and Methods: A 66-year-old woman with spondylolisthesis at L5 on S1 underwent posterior lumbar interbody fusion and posterior instrumentation. A sacral stress fracture was found 4 weeks after the first operation, and we performed posterior reduction and posterior instrumentation with S2 alar screws.
Results: The patient was free from symptoms and no further displacement was found at 3 months after the last operation.
Conclusions: Sacral stress fracture after lumbosacral fusion can be treated with posterior reduction and posterior instrumentation with S2 alar screws.
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KEYWORD
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Sacrum, Stress fracture, Lumbosacral fusion
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