Abstract
Background: Actinic cheilitis (AC) is a precancerous lesion of the lip. Treatment of AC is indicated for prevention of squamous cell carcinoma (SCC), although the exact transition rate of AC to SCC is unknown. Carbon dioxide (CO2) laser vaporization seems to be an adequate therapy for AC, but there are no references about the evolution rate of AC to SCC after this treatment. Objective: To evaluate the results obtained after treatment of AC by CO2 laser vaporization in comparison with other treatment modalities and the evolution rate of AC to SCC after CO2 laser treatment. Methods: A retrospective review identified 43 patients with AC treated with CO2 laser vaporization at our hospital from 2002 to 2006. Clinical and therapeutic information was evaluated. All patients were followed for more than 15 months after treatment. Results: After a mean follow-up period of 29.4 months, 3/43 treated AC showed local recurrence. Another two patients developed SCC in the treated field. A residual scar was clinically evident in two patients. Conclusions: CO2 laser vaporization with an adequate postoperative follow-up is an effective treatment for chronic AC. Nevertheless, some patients (4,6%) went on to develop lip SCC. The follow-up of these patients is mandatory.
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