Background and Clinical Significance: Bone involvement is a common and debilitating manifestation of advanced malignancies, with a substantial negative impact on patients’ functional status, quality of life, and overall prognosis. Management is primarily palliative and may include several locoregional approaches such as radiotherapy, surgical stabilization, cementoplasty, thermal or cryoablation, and high-intensity focused ultrasound. Electrochemotherapy (ECT) is an emerging non-thermal ablative technique that combines limited invasiveness with short procedural times and a favorable safety profile. Case Presentation: We report the case of a patient with oligometastatic lung cancer presenting with a painful rib metastasis refractory to radiotherapy. The patient had previously undergone radiotherapy to the right femoral head and the eighth rib, followed by cryoablation combined with cementoplasty for the femoral lesion and cryoablation of the rib. At one-year follow-up after cryoablation combined with bone cementoplasty, computed tomography demonstrated progression with the appearance of a new symptomatic rib lesion unresponsive to further radiotherapy. Percutaneous ECT was therefore performed under general anesthesia, supplemented with an erector spinae plane block. A total of twelve 18-gauge needle electrodes were accurately positioned under fluoroscopic guidance. Follow-up imaging at three months showed complete local tumor resolution, accompanied by marked and sustained pain relief. Conclusions: This experience supports the role of ECT as an effective salvage locoregional treatment option in selected patients with bone metastases resistant to conventional therapies.
Fiore et al. (Mon,) studied this question.
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