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Surgical Metastasectomy in the Spine: A Review Article

期刊

ONCOLOGIST
卷 26, 期 10, 页码 E1833-E1843

出版社

WILEY
DOI: 10.1002/onco.13840

关键词

Metastasectomy; Neoplasm metastasis; Patient selection; Spine; Surgical oncology

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资金

  1. Japanese Foundation for Research and Promotion of Endoscopy

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Surgical metastasectomy for spinal metastases can improve function and survival in patients with controlled primary disease, complete resectable solitary lesions in the spine, and adequate cardiopulmonary reserve. Kidney and thyroid cancer metastases are reported as the best candidates for this procedure, with acceptable local recurrence rates in long-term follow-up.
Background The use of surgical metastasectomy (SM) has increased across cancer types in recent decades despite the increasing efficacy of modern systemic treatment modalities. Symptomatic spinal metastases severely compromise patients' performance status. However, as spinal SM is a complex surgery with potentially significant complications, it is not considered the treatment of choice. Methods We reviewed the articles on SM in several primary cancers with different types of metastatic lesions and extracted the data from relevant articles to provide a comprehensive review including the surgical techniques, indications, reported outcomes, and future prospects of SM in spinal metastases. Results Total en bloc spondylectomy (TES) is a method of spinal SM associated with a lower risk of tumor recurrence and complications. Intralesional transpedicular osteotomy using a fine threadwire saw allows prevention of spinal cord and nerve root injuries. Spinal SM is considered suitable for patients with controlled primary disease having no evidence of disseminated extraspinal metastases, a completely resectable solitary lesion in the spine, and adequate cardiopulmonary reserve to tolerate the surgery. Metastatic lesions from kidney and thyroid cancers have been reported as the best candidates for spinal SM. Although data about spinal SM are limited, the reported outcomes are favorable with acceptable local recurrence rates in long-term follow-up. Conclusion In patients with isolated resectable spinal metastases, complete SM including TES is a useful option as it can improve function and survival. However, appropriate patient selection and surgical feasibility remain the most important aspects of management. Implications for Practice Surgical metastasectomy for spinal metastases may be a potentially curative treatment option with a low risk of local recurrence and lead to prolonged long-term survival if appropriate patients are selected and if the surgery is carried out by experienced surgeons in high-volume centers.

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