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CASE REPORT
Year : 2016  |  Volume : 3  |  Issue : 2  |  Page : 55-58

A case of recurrent cervical spondylolisthesis following cervical laminoplasty


Surgeon, Department of Orthopaedic Surgery, Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital, Hiroshima, Japan

Correspondence Address:
Hiroshi Nomura
Surgeon, Department of Orthopaedic Surgery, Hiroshima Red Cross, Hospital & Atomic-bomb Survivors Hospital, Hiroshima
Japan
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Source of Support: None, Conflict of Interest: None


DOI: 10.5005/jp-journals-10039-1088

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We report a case of recurrent cervical spondylolisthesis following cervical laminoplasty. A 77-year-old woman with progressive quadriplegia due to cervical spondylotic myelopathy (CSM) without spondylolisthesis was treated with C3 to 5 French-door laminoplasty. At 15 months postoperatively, anterior slippage of the C4 vertebral body in flexion was prominent. At 20 months postoperatively, slippage had worsened, and C4 to 5 posterior fixation with a lateral mass screw and rod system was performed. At 8 months after C4 to 5 fixation, anterior slippage of the C3 and C5 vertebral bodies was noted, and occipitocervical–upper thoracic posterior fusion was performed. In this case, after laminoplasty, atrophy of the cervical extensor muscles progressed in a time-dependent manner. Therefore, we suggest that progressive atrophy of the cervical extensor muscles might cause isolated neck extensor myopathy with flexible dropped head syndrome, leading to recurrent cervical spondylolisthesis.


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