Lichen planus of the lip (LPL) is not common, and only a few cases have been reported. Medical treatment modalities for LPL are not always effective. Therefore, treatment of this presentation is difficult and challenging. A 41-year-old man was referred to the dermatology clinic with a chronic, painful erosion on the lower lip and buccal mucosa. Treatment with topical steroids, systemic cyclosporine, dapsone, and systemic steroids failed. We performed surgical excision and mucosal advancement flap treatment, with complete response noted after 6 months. Surgical excision with mucosal advancement flap treatment may be effective for the treatment of refractory LPL.
Keywords: lip lichen planus; mucosal advancement flap; surgical excision.
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