We report our assessment of the effectiveness of bipolar radiofrequency-induced interstitial thermoablation (BRIT) for the treatment of certain oral cavity vascular malformations in 5 children. Two of these patients had lymphangiomatous macroglossia (LM), 1 had lymphangioma circumscriptum (LC), and 2 had a venous malformation (VM). Each patient underwent BRIT at least twice; treatment was delivered at 4- to 8-week intervals according to each patient's circumstances. The 2 patients with LM required three treatment sessions; although their tongue volume decreased after each session, both still required a partial glossectomy to achieve a satisfactory reduction in volume. The patient with LC underwent two BRIT treatments, which reduced the size of the lesion by half; the remainder was excised. The 2 patients with a VM (1 buccal and 1 lingual) responded well to BRIT, and their malformations almost completely disappeared. Our early results with BRIT suggest that it is an effective treatment for oral cavity vascular malformations-more so for patients with venous rather than lymphangiomatous lesions.
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