Spine deformity · 2020
T12 pedicle subtraction osteotomy for post-laminectomy kyphoscoliotic deformity following resection of a thoracolumbar astrocytoma in an adolescent with a previous paraplegic context.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Bourghli Anouar, Boissiere Louis, Obeid Ibrahim
Аннотация
STUDY DESIGN: Case report.
PURPOSE: To describe a rare case of iatrogenic post-laminectomy thoracolumbar kyphoscoliosis in an adolescent, and its surgical management with pedicle subtraction osteotomy (PSO).
BACKGROUND: Kyphoscoliosis secondary to multilevel laminectomies for intradural astrocytoma resection is rare and its management can be very challenging.
METHODS: We report the case of 15-year-old boy who has been complaining of a progressively increasing hump in his back during the past 6 months. Two years prior to presentation, he underwent multilevel thoracolumbar laminectomies from T10 to L2 for resection of an intradural astrocytoma that was causing progressive paraplegia predominant on the right side. Full spine anteroposterior and lateral X-rays revealed a thoracolumbar kyphosis with an angulation of 73° between T10 and L1, with a long left thoracolumbar scoliosis of 24 degrees. CT scan confirmed the multilevel laminectomies and showed T12 anterior wedging. MRI did not show any tumor recurrence.
RESULTS: The patient underwent T12 PSO with instrumentation from T4 to L3 with the use of a one-sided domino on the convex side. Thoracolumbar kyphosis was corrected to 9°, and scoliosis was corrected to 7°, with a maintained correction at 7 years of follow-up.
CONCLUSION: Literature is sparse on the management of post-laminectomy kyphoscoliotic deformity after intradural astrocytoma resection. Despite previous paraplegia context, aggressive correction technique such as PSO can be a safe option if proper management of the scar tissues and adhesions is performed, with satisfactory clinical and radiological long-term results.
PURPOSE: To describe a rare case of iatrogenic post-laminectomy thoracolumbar kyphoscoliosis in an adolescent, and its surgical management with pedicle subtraction osteotomy (PSO).
BACKGROUND: Kyphoscoliosis secondary to multilevel laminectomies for intradural astrocytoma resection is rare and its management can be very challenging.
METHODS: We report the case of 15-year-old boy who has been complaining of a progressively increasing hump in his back during the past 6 months. Two years prior to presentation, he underwent multilevel thoracolumbar laminectomies from T10 to L2 for resection of an intradural astrocytoma that was causing progressive paraplegia predominant on the right side. Full spine anteroposterior and lateral X-rays revealed a thoracolumbar kyphosis with an angulation of 73° between T10 and L1, with a long left thoracolumbar scoliosis of 24 degrees. CT scan confirmed the multilevel laminectomies and showed T12 anterior wedging. MRI did not show any tumor recurrence.
RESULTS: The patient underwent T12 PSO with instrumentation from T4 to L3 with the use of a one-sided domino on the convex side. Thoracolumbar kyphosis was corrected to 9°, and scoliosis was corrected to 7°, with a maintained correction at 7 years of follow-up.
CONCLUSION: Literature is sparse on the management of post-laminectomy kyphoscoliotic deformity after intradural astrocytoma resection. Despite previous paraplegia context, aggressive correction technique such as PSO can be a safe option if proper management of the scar tissues and adhesions is performed, with satisfactory clinical and radiological long-term results.