Anterior decompression and stabilization using a microsurgical endoscopic technique for metastatic tumors of the thoracic spine

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Abstract
It is well accepted that the treatment of spinal tumors that threaten neurological integrity comprises resection, vertebral body reconstruction, and stabilization if the patient's condition is suitable. In spite of the excellent results reported using thoracotomy, the majority of investigators recommend posterolateral techniques because of lower morbidity, shorter hospitalization time, and the possibility of performing dorsal stabilization via the same incision. To overcome some of the disadvantages of thoracotomy, the authors developed an anterior procedure that permits vertebrectomy, reconstruction, and stabilization to be performed entirely by endoscopic technique. Microsurgical endoscopy and stabilization were performed in four patients with metastatic disease of the thoracic spine. All were ambulatory after surgery and at follow up; preoperative neurological and neurophysiological deficits improved as well. No complications occurred in this small series. Microsurgical endoscopy achieves a substantial reduction in trauma, use of analgesic medications, and hospitalization time. Early results seem to indicate that adequate decompression, stabilization and reduction of surgical morbidity can be achieved with this technique.