Abstract
Thermal ablation techniques are procedures of growing interest for management of bone metastases. Among these, cryoablation is probably the most advanced. It allows treatment of large and irregular volumes of pathological tissue, real-time evaluation of the area of ablation and appears less painful than heat-based ablative techniques like radiofrequency and microwaves. Literature shows the effectiveness of cryoablation in the management of bone metastases in terms of pain palliation, but also its employment with curative intent is recommended. We reviewed the outcomes of cryoablation procedures performed in our radiology department over the last seven years, confirming the results in terms of pain palliation and local control of disease. We retrospectively evaluated results of 28 procedures of cryoablation, of which 17 treated with palliative and 11 with curative intent. In a 3-month follow-up study, we recorded an overall reduction of pain (evaluated using a VAS 0–10 scale) between pre- and post-treatment. The mean values dropped from 6.9 (SD: ± 1.3) to 3.5 (SD ± 2.6) (p < 0.0001). In the group of patients treated for local tumor control (follow-up: 22.4 months), we recorded a stability and/or reduction in volume of the lesion in 10 out 11 patients. No major complications were recorded.
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Conceptualization: [FA, LZ]; Methodology: [FA, AB]; Data collection: [GB; FF]; Formal analysis and investigation: [GLG]; Writing—original draft preparation: [FA]; Writing—review and editing: [GLG, PP]; Supervision: [CM].
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This study was designed as a single-center, retrospective review. Research involving human participants. Institutional Review Board approval was obtained (n.31/2021).
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Arrigoni, F., Bianchi, G., Formiconi, F. et al. CT-guided cryoablation for management of bone metastases: a single center experience and review of the literature. Radiol med 127, 199–205 (2022). https://doi.org/10.1007/s11547-021-01437-6
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DOI: https://doi.org/10.1007/s11547-021-01437-6