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RF ablation of metastatic pheochromocytoma to bone. (a) Preablation CT demonstrates an enhancing mass within the posterior aspect of the right ilium. (b) RF ablation of osseous metastasis, with the needle electrode within the anterior margin of tumor. (c) Follow-up CT obtained 2 months after therapy demonstrates a nonenhancing zone of ablation (arrow) and no evidence of residual tumor.
