The authors describe a new modified surgical approach to minimize the postoperative recurrence of a syrinx after surgery to treat syringomyelia associated with spinal adhesive arachnoiditis in two cases. Both patients presented with progressive gait disturbance without any remarkable history, and spinal magnetic resonance imaging revealed a syrinx and broad irregular disappearance of the subarachnoid space and/or deformity of the cord. We successfully performed a partial arachnoid dissection and syrinx-far distal subarachnoid shunt for both cases.
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