Abstract
We performed a combined extra-intra dural approach in two preliminary cases. We performed bilateral laminectomy of adjacent vertebrae and unilateral partial medial arthrectomy of the involved segment. After a lateral extradural diskectomy, we, subsequently, performed a median longitudinal durotomy. The conflict between disk herniation and spinal cord was identified. We removed disk herniation moving disk fragments in the extradural compartment without ventral spinal dura opening. We solved spinal cord compression in both cases. Postoperative neurological improvement was observed in both cases. No major complications were observed. Our preliminary results are probably insufficient to establish surgical criteria but offer another surgical perspective to especially treat patients with contraindication to anterior approaches.
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