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Surgery for spinal metastases has undergone multiple transformations in terms of surgical technique. The need for a more aggressive surgical strategy for local control of the disease, given the advances in radiosurgery and immunotherapy, has met the incorporation of many different technological adjuncts. Separation surgery has become one of the main targets to achieve for surgeons in the treatment of spinal metastases. In this paper a prospective series of 3D endoscope-assisted transpedicular thoracic corpectomies is described. Adult patients with a diagnosis of single-level thoracic metastases requiring surgery for epidural compression were included. Data recorded for each case concerned patient demographics, surgical technique, clinical, radiological and surgical data, intra- and postoperative complications, follow-up. The goal of this study was to verify the achievement of separation surgery with this …