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  • Title: Application of contralateral osteotomy for the en bloc resection of paraspinal and spinal tumours: a report of three cases.
    Author: Toda Y, Morimoto T, Matsumoto Y, Setsu N, Yoshihara T, Aishima S, Oda Y, Nakashima Y, Mawatari M.
    Journal: Br J Neurosurg; 2024 Oct; 38(5):1151-1157. PubMed ID: 35587144.
    Abstract:
    We herein report the effectiveness of contralateral osteotomy of the pedicle and posterolateral elements for en bloc resection (COPPER) of paraspinal and spinal tumours. This surgical method allows for complete resection of the localized tumour in the lateral posterior lesion without removing the entire vertebral body, as in total en bloc spondylectomy. Complete resection of paraspinal and spinal tumours is challenging for spinal surgeons because of anatomical complexities. Although the COPPER method has been introduced as a less invasive surgical procedure for wide resection of spinal tumours, no studies have reported the usefulness of this technique. We identified three patients with paraspinal or spinal tumours who underwent wide resection using the COPPER method and reviewed their clinical, radiological, and pathological outcomes. In all cases, we resected the spinal and paraspinal tumours extending to the anterior column and extravertebral component using the modified COPPER method. All patients underwent en bloc resection with a negative margin. We report three cases of spinal and paraspinal tumours extending to the anterior column and extravertebral component.
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