Impact of Radiofrequency Ablation (RFA) on Bone Quality in a Murine Model of Bone Metastases

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2021 Sep 8

PMID 34495961

Citations 5

Authors

Soroush Ghomashchi

Cari M Whyne

Tricia Chinnery

Fayez Habach

Margarete K Akens

Affiliations

Soon will be listed here.

Abstract

Thermal therapies such as radiofrequency ablation (RFA) are gaining widespread clinical adoption in the local treatment of skeletal metastases. RFA has been shown to successfully destroy tumor cells, yet the impact of RFA on the quality of the surrounding bone has not been well characterized. RFA treatment was performed on femora of rats with bone metastases (osteolytic and osteoblastic) and healthy age matched rats. Histopathology, second harmonic generation imaging and backscatter electron imaging were used to characterize changes in the structure, organic and mineral components of the bone after RFA. RFA treatment was shown to be effective in targeting tumor cells and promoting subsequent new bone formation without impacting the surrounding bone negatively. Mineralization profiles of metastatic models were significantly improved post-RFA treatment with respect to mineral content and homogeneity, suggesting a positive impact of RFA treatment on the quality of cancer involved bone. Evaluating the impact of RFA on bone quality is important in directing the growth of this minimally invasive therapeutic approach with respect to fracture risk assessment, patient selection, and multimodal treatment planning.

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