Erbium:YAG Laser Pretreatment Accelerates the Response of Bowen's Disease Treated by Topical 5-Fluorouracil

Kuo Hsien Wang, Jia Y. Fang, Jun-Hung Hu, Woan Ruoh Lee

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32 引文 斯高帕斯(Scopus)


BACKGROUND. Topical 5-fluorouracil (5-FU) is a standard treatment for Bowen's disease. However, its efficacy may be limited by the presence of stratum corneum. The Er:YAG laser has shown a dramatic enhancement effect on the delivery of 5-FU in vitro by ablation of the stratum corneum. The efficacy of laser-assisted delivery of 5-FU has not been tested in human. OBJECTIVE. To see whether Er:YAG laser pretreatment can improve the efficacy of topical 5-FU in the treatment of Bowen's disease. METHODS. Three target lesions from a patient with multiple Bowen's disease were selected for a half-side comparison study. The Er:YAG laser was used to remove the cornified layer on one side of each lesion, followed by twice-daily application of 5-FU cream to both sides. Clinical and histologic responses were compared. RESULTS. Lesions pretreated with the Er:YAG laser showed more rapid clinical and histologic responses to topical 5-FU than those treated with 5-FU alone. Evaluation at 9 months after treatment showed no recurrences of lesions on both sides. CONCLUSIONS. Our preliminary study demonstrates that this Er:YAG laser-assisted modality is effective and shows accelerated clinical response and shortened treatment time compared with topical 5-FU as a single treatment.
頁(從 - 到)441-445
期刊Dermatologic Surgery
出版狀態已發佈 - 3月 2004

ASJC Scopus subject areas

  • 皮膚科
  • 手術


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