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Review
. 2022 Mar 21;14(6):1595.
doi: 10.3390/cancers14061595.

The Role of Surgery in Spinal Intradural Metastases from Renal Cell Carcinoma: A Literature Review

Sergio Corvino  1 , Giuseppe Mariniello  1 , Domenico Solari  1 , Jacopo Berardinelli  1 , Francesco Maiuri  1
Affiliations
Review

The Role of Surgery in Spinal Intradural Metastases from Renal Cell Carcinoma: A Literature Review

Sergio Corvino et al. Cancers (Basel). .

Abstract

Background: Due to the few reported cases of spinal intradural metastases from renal cell carcinoma (RCC), there is no unanimous consensus on the best treatment strategy, including the role of surgery.

Methods: A wide and accurate literature review up to January 2022 has disclosed only 51 cases of spinal intradural metastases from RCC. Patients with extramedullary (19) and those with intramedullary (32) localization have been separately considered and compared. Demographics, clinical, pathological, management, and outcome features have been analyzed.

Results: Extramedullary lesions more frequently showed the involvement of the lumbar spine, low back pain, and solitary metastasis at diagnosis. Conversely, the intramedullary lesions were most often detected in association with multiple localizations of disease, mainly in the brain. Surgery resulted in improvement of clinical symptoms in both groups.

Conclusion: Several factors affect the prognosis of metastatic RCC. The surgical removal of spinal metastases resulted in pain relief and the arresting of neurological deficit progression, improving the quality of life and overall survival of the patient. Considering the relative radioresistant nature of the RCC, the surgical treatment of the metastasis is a valid option even if it is subtotal, with a consequent increased risk of recurrence, and/or a nerve root should be sacrificed.

Keywords: intradural extramedullary; intramedullary metastases; metastatic clear renal cell carcinoma; spinal metastases.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Kaplan-Meyer survival analysis between Intradural extramedullary (IDEM) and intramedullary (ISCMs) spinal metastases from RCC.
See this image and copyright information in PMC

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