BACKGROUND: Renal cell carcinoma (RCC) is an aggressive malignant disease that frequently metastasizes to the spine. The main purpose of our study is to evaluate the influence of surgery as well as targeted therapy on the survival of patients with RCC metastases of the spine. METHODS: Retrospective cohort study. We identified 100 patients with spinal RCC metastases who were retrospectively reviewed for preoperative conditions, treatment, and survival. Metastasectomy was performed in 39 cases, and 61 patients underwent decompression procedures with stabilization. Only 26 patients had adjuvant targeted therapy (7 with metastasectomy, 19 with palliative decompression). Pain, neurological status, survival time (from operation to death or last follow up), and local progression-free survival were evaluated. RESULTS: Neurological function recovery and reported significant pain relief were observed. There was no significant difference in overall survival for the patients with metastasectomy and palliative decompression (P = .750). Metastasectomy provided better local control of disease compared with decompression (P = .043). There was a statistically significant difference in overall survival for the patients who received targeted therapy (P = .012). CONCLUSIONS: Metastasectomy is effective for local control of tumors. Targeted therapy can potentially prolong overall survival for patients with spinal RCC metastases. LEVEL OF EVIDENCE: 3. CLINICAL RELEVANCE: Our findings suggest that spinal metastasectomy is useful for local control of tumor growth but not for live expectancy. Effective systemic therapy is key role in stopping of disease progression. This manuscript is generously published free of charge by ISASS, the International Society for the Advancement of Spine Surgery.
BACKGROUND:Renal cell carcinoma (RCC) is an aggressive malignant disease that frequently metastasizes to the spine. The main purpose of our study is to evaluate the influence of surgery as well as targeted therapy on the survival of patients with RCC metastases of the spine. METHODS: Retrospective cohort study. We identified 100 patients with spinal RCC metastases who were retrospectively reviewed for preoperative conditions, treatment, and survival. Metastasectomy was performed in 39 cases, and 61 patients underwent decompression procedures with stabilization. Only 26 patients had adjuvant targeted therapy (7 with metastasectomy, 19 with palliative decompression). Pain, neurological status, survival time (from operation to death or last follow up), and local progression-free survival were evaluated. RESULTS: Neurological function recovery and reported significant pain relief were observed. There was no significant difference in overall survival for the patients with metastasectomy and palliative decompression (P = .750). Metastasectomy provided better local control of disease compared with decompression (P = .043). There was a statistically significant difference in overall survival for the patients who received targeted therapy (P = .012). CONCLUSIONS: Metastasectomy is effective for local control of tumors. Targeted therapy can potentially prolong overall survival for patients with spinal RCC metastases. LEVEL OF EVIDENCE: 3. CLINICAL RELEVANCE: Our findings suggest that spinal metastasectomy is useful for local control of tumor growth but not for live expectancy. Effective systemic therapy is key role in stopping of disease progression. This manuscript is generously published free of charge by ISASS, the International Society for the Advancement of Spine Surgery.
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