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Radiographic Local Control of Spinal Metastases with Percutaneous Radiofrequency Ablation and Vertebral Augmentation
A N Wallace1, A Tomasian2, D Vaswani2
1From the Mallinckrodt Institute of Radiology (A.N.W., A.T., D.V., J.W.J.), Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri wallacea@mir.wustl.edu.
AJNR. American Journal of Neuroradiology
|December 5, 2015
Summary
Combination radiofrequency ablation and vertebral augmentation effectively controls spinal metastases locally. This minimally invasive treatment shows promising results for patients ineligible for radiation therapy.
Area of Science:
- Minimally invasive spinal oncology
- Interventional radiology techniques
- Skeletal metastasis management
Background:
- Metastatic spine disease often requires alternative treatments when radiation therapy is not an option.
- Combination radiofrequency ablation and vertebral augmentation is an emerging minimally invasive therapy.
- Evaluating local control is crucial for managing spinal metastases.
Purpose of the Study:
- To assess the efficacy of combined radiofrequency ablation and vertebral augmentation.
- To determine the rate of radiographic local control in spinal metastases treated with this combination therapy.
Main Methods:
- Retrospective review of a tumor ablation database (April 2012 - July 2014).
- Inclusion criteria: spinal metastases treated with radiofrequency ablation and vertebral augmentation, excluding concurrent radiation therapy.
- Data collected: tumor characteristics, procedural details, complications, and post-treatment imaging for tumor progression.
Main Results:
- Fifty-five tumors were analyzed.
- Radiographic local tumor control rates: 89% at 3 months, 74% at 6 months, and 70% at 1 year.
- No reported complications or clinical evidence of metastatic spinal cord compression during a median follow-up of 34 weeks.
Conclusions:
- Combination radiofrequency ablation and vertebral augmentation demonstrates effectiveness in achieving local control of spinal metastases.
- Further validation through a prospective clinical trial is recommended to confirm these findings.
