Abstract
To determine retrospectively the effectiveness of percutaneous radiofrequency ablation (RFA) alone, alcohol ablation alone, or combined RFA and alcohol ablation (hereafter, combined ablation) to treat pain in patients with visceral and soft-tissue malignancies. This HIPAA-compliant study was institutional review board approved; the informed consent requirement was waived. Twenty patients, with 28 tumors, who underwent percutaneous computed tomography (CT) or magnetic resonance (MR)-guided RFA and/or alcohol ablation for pain relief over a 2-year period were retrospectively identified, and their medical and imaging data were studied: Nineteen patients were referred for ablation because of persistent pain despite use of analgesics, and one patient had refused analgesics. The 28 tumors were located in the liver, lung, adrenal gland, retroperitoneum, gluteal muscle, inguinal mass, and subcutaneous tissues on the back. Fifteen tumors were treated with RFA alone, 12 were treated with combined ablation (when lesions were > 4 cm in diameter, except in lung or renal tumors), and one was treated with alcohol ablation alone. Pain was quantified on a 0-10 scale before, 1 day after, and 1-6 weeks after ablation. On the basis of changes in p...Continue Reading
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