ヘルニア裂孔拡大術とパッチ法を合わせて施行した特発性脊髄ヘルニアの一例

概要

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We report a case of idiopathic thoracic spinal cord herniation treated with a combination technique including a widening of the dural defect and applying a graft patch. A 64-year-old female presented with progressive spastic paresis of the right lower limb and sensory disturbance below the level of the bilateral T5 dermatome. Magnetic resonance imaging (MRI) showed ventral deviation of the spinal cord from the T2 to T4 level. Laminectomy of T2, 3 and 4 was performed, the widening of the ventral dural defect was carried out first and the soft herniated spinal cord was carefully reduced. Finally, the dural defect was covered with a Gore-Tex patch graft. Postoperative MRI revealed a normal positioning of the spinal cord. The patient's spastic paresis also improved after the operation. The authors conclude that a widening and patch grafting procedure is a safe and promising surgical method for treating idiopathic spinal cord herniation.
2008-06-01