Objectives: To investigate the surgical results of one-stage total en bloc spondylectomy (TES) and reconstruction via a single posterior approach for thoracic symptomatic vertebral hemangioma associated with spinal cord dysfunction and evaluate its curative effect.
Methods: A total of 9 patients treated with one-stage TES (7 cases) and total vertebrectomy (2 cases) by posterior approach from March 2006 to January 2010 were retrospectively reviewed. The cases included 2 males and 7 females with a median age of 33.6 years (range 14 to 77 years), and with 1 case of Grade A, 3 cases of Grade B, 3 cases of Grade C, 2 cases of Grade D according to Frankel grade system. All patients suffered from moderate to severe pain and neurological deficit with an average symptom duration of 14.4 months (range 3 - 24 months) MRI revealed severe spinal cord compression. The spinal reconstruction was obtained by titanium mesh filled with autograft and posterior internal fixation with rod-screw system.
Results: The operation time was 210 minutes on average (180 - 270 minutes) and the average blood loss was 1800 ml (1000 - 5000 ml). The follow-up period lasted from 18 months to 5 years. All cases with preoperative pain relieved after operation. The visual analogue scale pain scores decreased to 1.1 from 8.3 at 3 months after surgery. No disruption of dural mater, cerebrospinal fluid leakage, iatrogenic spinal cord injury and major vessel damage occurred. Up to now, there was no local recurrence in all cases. Significant neurological function improvement was achieved in all patients with one to three grades in Frankel grade system. Fusion of the autograft was well achieved and no internal fixation failure in all patients.
Conclusions: One-stage TES and spine reconstruction by a single posterior approach is feasible, safe and effective to this disease. It is favourable in decreasing the hemangioma recurrence and improvement of the neurological function.
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